3G Green Green Globe Refrigerator ZTS Series User Manual

GE Zenith Controls  
Product Bulletin  
e
ZTS Series  
Automatic Transfer Switches  
Since its introduction, the GE Zenith ZTS Series of  
transfer switches has become a hallmark of quality  
and performance. Reliability resulting from superior  
design and heavy duty construction has made the  
ZTS the industry standard for critical installations.  
Our emphasis on research and development, design  
improvements, materials, manufacturing methods,  
quality assurance, and service yields products that have  
been proven in hundreds of thousands of applications.  
Specification  
Assistance  
Subsequent to the first ZTS units installed, our engin-  
eering staff has been dedicated to the improvement  
and expansion of our line. Today, GE Zenith offers the  
widest selection of transfer switch products worldwide.  
GE Zenith offers a complete  
range of product guide  
specifications to help you  
determine your needs.  
For more information,  
ZTS Automatic Transfer Switches  
40-4000 Amps  
please consult your local  
GE Zenith representative,  
our factory or our website  
ZTSD Delayed Transition Transfer Switches  
40-4000 Amps  
ZTSCT Closed Transition Transfer Switches  
100-4000 Amps  
Codes and Standards  
NFPA 70, 99, 101, 110  
NEC 517, 700, 701, 702  
IEEE 446, 241  
ZBTS Automatic Transfer/Bypass Switches  
100-4000 Amps  
NEMA ICS2-447  
Controls tested in accordance with:  
IEEE 472 (ANSI C37.90A)  
EN55022 Class B (CISPR 11)  
(Exceeds EN55011 & MILSTD 461 Class 3)  
EN61000-4-2 (Level 4)  
ZBTSD Delayed Transition Bypass Switches  
100-4000 Amps  
ZBTSCT Closed Transition Bypass Switches  
100-4000 Amps  
EN61000-4-3 (ENV50140) 10 v/m  
EN61000-4-4  
All ZTS products meet or exceed industry requirements  
allowing specification and installation confidence.  
EN61000-4-5, IEEE C62.41 (1.2 X 50  
EN61000-4-6 (ENV50141)  
EN61000-4-11  
ms, 5 & 8 kV)  
UL 1008 listed through 480 VAC  
CSA C22.2 No. 178 listed through 600 VAC  
IEC 947-6-1 listed through 480 VAC  
Enclosures meet the requirements of:  
UL 508, 50  
ICS 6  
ANSI C33.76  
NEMA 250  
Quality System:  
ISO 9001 Registered  
PB-5066 (6/04)  
 
MX250 series  
Microprocessor Controller  
LEDs are used in a recognizable line configuration  
for continuous monitoring of switch position. A new  
LCD display shows source availability, exercise time  
delay operation and system source condition. A new  
simplified adjustment is featured for voltage, frequency  
and time delay settings.  
Performance Features  
• UL, CSA and IEC listed  
• Ringing wave immunity per IEEE 472 (ANSI C37.90A)  
• Condusted and Radiated Emissions per EN55022 Class B  
(CISPR 11) (Exceeds EN55011 & MILSTD 461 Class 3)  
• ESD Immunity test per EN61000-4-2 (Level 4)  
• Radiated RF, electromagnetic field immunity test  
per EN61000-4-3 (ENV50140) 10v/m  
The control operates off a close differential 3  
phase under-voltage sensing of source 1, factory  
standard setting 90% pickup, 80% dropout; under-  
frequency sensing of source 1 factory setting 95%  
pickup; voltage and frequency sensing of source 2,  
factory standard setting 90% pickup voltage, 95%  
pickup frequency. All factory settings are operator  
adjustable (see table below).  
• Electrical fast transient/burst immunity test  
for EN61000-4-4  
• Surge immunity test per EN61000-4-5 IEEE C62.41  
(1.2 x 50ms, 5 & 8 kV)  
• Conducted immunity test per EN61000-4-6 (ENV50141)  
• Voltage dips and interruption immunity EN61000-4-11  
Technical Benefits  
A test is standard (fast test/load/no load) to  
simulate source 1 failure - automatically bypassed  
should source 2 fail.  
• Separate line voltage components for controller isolation  
• Inputs optoisolated for high electrical immunity to transients and noise  
• Built-in electrical operator protection  
• Simplified maintenance – major components are easily replaceable  
• Close differential under-voltage sensing of the normal source  
• Voltage and frequency sensing of the emergency source  
(all settings are adjustable)  
More Enhanced Features  
• Available in ALL transfer modes:  
~ Open, Delayed & Bypass  
~ Closed (with newly integrated transition control)  
• User-friendly programmable engine exerciser,  
used for the engine generator with or without  
load, at ANY interval in a one-year period  
• Operating voltages available in a single  
controller for most domestic and international  
applications  
• Real-time display of ATS status, including  
active timer(s)  
• Multiple levels of user-defined password  
protection  
• Serial communications allowing connectivity  
with other ATS's, paralleling switchgear, and  
SCADA systems  
• Time-tested synchronous logic automatically  
measures phase angle and frequency allowing  
disturbance-free transfer  
• Unsurpassed statistical ATS/System monitoring  
available in real-time  
• T3/W3 elevator pre-signal. Automatically  
bypassed if the selected source fails, minimizing  
time an elevator is without power  
• Universal Motor Disconnect (UMD) sends  
a pre-signal, post-signal or both to any motor  
control center. Not bypassed in an outage,  
the UMD ensures safety in the event of a  
single phase loss  
• Voltage unbalance detection standard  
• Extensive 2/5/10 Warranty  
Page 3 PB-5066  
 
ZTS Series  
Accessory Group Matrix  
Group Packages  
Accessories  
MSTDS MEXES MCONS MSENS  
MSPES MPSGS  
6P  
A1  
A1E  
A3  
2
2
2
2
2
2
2
2
3
3
A4  
Calibrate  
CDT  
CDP  
**DS  
*DT  
*DW  
E
EL/P  
K/P  
L1  
L2  
L3  
L4  
*LN  
P1  
Q2  
Q3  
Q7  
R1-1  
R1-3  
R15  
*R15D  
R16  
R50  
S5P  
S12P  
S13P  
T
2
2
2
2
2
2
2
2
2
2
2
2
T3/W3  
U
UMD  
VI  
W
YEN  
Standard Accessory included in the group package.  
Optional Accessory not included but can be added to group package.  
Optional Accessory. Can not be used with accessory having the same symbol.  
N/A  
Denotes an Accessory with 2 circuits as a standard.  
Denotes an Accessory with 3 circuits as a standard.  
2
2
3
Delayed Transition Units Only.  
Optional for 40-400 Amp  
*
**  
PB-5066 Page 4  
 
ZTS Series  
Accessory Definitions  
6P  
CTAP  
Microprocessor activated test switch (Momentary)  
Chicago transfer alarm panel mounted in door of  
enclosure. Includes 3 aux. contacts and fuse.  
6A  
Hardwired test switch (Maintained)  
DS  
Disconnect Switch. Disconnects source voltage  
to transfer power panel  
6AP  
Microprocessor activated test switch (Maintained)  
DT (DelayedTransition Only)  
Time Delay from Neutral Switch position  
to Source 1 on retransfer  
6B  
Hardwired test switch (Maintained Auto -  
Momentary Test) Key operated  
DW (DelayedTransition Only)  
Time Delay from Neutral Switch position  
to Source 2 on retransfer  
6C  
Hardwired test switch (Maintained Auto -  
Maintained Test) Key operated  
E
A1  
Engine Start Relay  
Auxiliary Contact S.P.D.T. - Normal (Source 1)  
Failure  
EL/P  
Event log of last 16 events  
A1E  
Auxiliary Contact S.P.D.T. - Emergency (Source 2)  
Failure  
F
Fan contact, closed when engine runs.  
A3  
HT(1)(2)  
Auxiliary Contact - closed in emergency (source 2)  
Additional available (10 max.) on ZTS and need  
to be specified  
Heater and Thermostat 208/240V (1)  
380/600V (2) mounted and interwired in  
enclosure. (requires larger enclosure for 40-200A)  
A4  
K
Auxiliary Contact - closed in normal (source 1)  
Additional available (10 max.) on ZTS and  
need to be specified  
Frequency Meter - Door mounted  
K/P  
Frequency Indication on the controller  
A62  
Motor disconnect and staged restart (1 contact)  
L
LNP Center-off position LCD-Indicator  
Indicating LED lights:  
AB3  
Auxiliary Contact - closed in bypass emergency  
(source 2) (S.P.D.T.) (Standard up to 400A)  
Additional available (10 max.) on ZTS and need  
to be specified  
L1 Indicates Switch in Source 2 position.  
L2 Indicates Switch in Source 1 position.  
L3 Indicates Source 1 available.  
L4 Indicates Source 2 available.  
AB4  
M1  
Auxiliary Contact - closed in bypass normal  
(source 1) (S.P.D.T.) (Standard up to 400A)  
Additional available (10 max.) on ZTS and  
need to be specified  
Single Phase Amp Meter  
M2  
Three Phase Amp Meter  
B9  
M80  
Battery charger (ships separate from ATS)- semi-  
float 5 amp (need to specify input/output voltage  
and type LA, N, FL)  
Digital Meter Measures and displays true RMS volts,  
amps and frequency in a three-phase power system.  
M82  
Calibrate  
Microprocessor activated calibration feature  
Digital Meter Includes M80 functions plus Watts,  
KVA, KVAR, PF, etc. w/Modbus RS485 port  
CDP  
M83  
Programmable exerciser daily, 7/14/28/365 days  
user-selectable, with or without load.  
Digital Meter Includes M82 functions plus  
THD capability and Modbus RS485 port  
CDT  
M84  
Exerciser no load timer. Increased functionality no  
longer requires a jumper.  
Digital Meter Includes M83 functions plus  
unbalance 128 samples/cycle data logging,  
waveform capture and sag/swell capture.  
Page 5 PB-5066  
 
ZTS Series  
Accessory Definitions  
S12P  
M85  
Microprocessor activated auto/manual retransfer  
selector switch for trnsferring to Normal  
(Source 1) (includes microprocessor activated  
YN & YE accessory)  
Digital Meter Includes M84 functions plus  
unbalance 256 samples/cycle data logging,  
waveform capture and sag/swell capture.  
M86  
S13P  
Digital Meter Includes M85 functions plus  
large graphical screen display with Ethernet  
communications port.  
Microprocessor activated commit/no commit  
on transferring to Emergency (Source 2)  
(with enable/disable)  
N1  
S14  
Running Time Indicator - Door mounted  
Keyed selector switch for  
(retransfer to normal-test-auto)  
N2  
Operation Counter - Door Mounted  
SW1  
Auto/Off/Start Engine control selector -  
Door mounted (keyed or non-keyed  
operation available)  
P1  
Engine Start Timer (adjustable to 6 sec.)  
P2  
SW2  
Engine Start Timer (adjustable to 300 sec.)  
Auto/Off Engine control selector - Door mounted  
(keyed or non-keyed operation available)  
Q2  
Peak shave/remote load test/area protection -  
Relay (S.P.D.T.) (Need to specify voltage - 120 VAC,  
24 VAC, 24 VDC - 120V default standard)  
SW3  
Source Priority Selector Switch - Door mounted  
Allows selection of Source 1 or Source 2 to be  
the Prime Source. Transfer Switch will transfer to  
selected Prime Source if that Source is available.  
(keyed or non-keyed operation available)  
Q3  
Inhibit transfer to emergency (Source 2) (load add  
relay) - Relay (S.P.D.T.) (Need to specify voltage -  
120 VAC, 24 VAC, 24 VDC - 120V default standard)  
T
Retransfer to normal adjustable time delay  
Q7  
Inhibit transfer to normal (Source 1) - Relay  
(S.P.D.T.) (Need to specify voltage - 120 VAC, 24  
VAC, 24 VDC - 120V default standard)  
T3/W3  
Pre-signal contact on transfer to Normal (Source 1)  
or Emergency (Source 2) during test.  
R1-1/R1-3  
Over Voltage sensing for normal (Source 1)  
single (R1-1) or three (R1-3) phase  
U
Engine stop /cool adjustable cool down timer  
UMD  
R15/R15D  
Pre and ppost transfer output adjustable time range.  
Functions in both directions. Includes 2 circuits.  
Additional circuits available.  
Load Shed. Should Source 2 become overloaded,  
a signal can be given to switch to the dead  
or Mid position.  
VI  
R16  
Voltage imbalance between phases (3 Phase only)  
Phase rotation sensing of Normal (Source 1) and  
Emergency (Source 2)  
W
Adjustabvle time delay on transfer to Emergency  
(Source 2)  
R26/R26D  
Interruptable Power Rate Provisions.  
Allow transfer out of Source 1 position to Mid  
position or dead Source 2. Alarm and Pre-Signal  
circuit included. (Need to specify voltage - 120 VAC,  
24 VAC, 24 VDC - 120V default standard)  
YEN  
Bypass transfer timers function (soft switch in control)  
ZNET  
Microprocessor Communication Module  
R50  
In Phase monitor between Normal (Source 1) and  
Emergency (Source 2) to allow transfer  
S5P  
Microprocessor activated auto/manual retransfer  
selector switch for trnsferring to Normal (Source 1)  
(includes microprocessor activated YN accessory)  
PB-5066 Page 6  
 
ZTS Series  
Withstand Ratings  
GE Zenith ZTS Series Automatic Transfer Switches have been subjected to an extensive test program to show that they comply with and exceed UL 1008 standards,  
as well as the various performance specifications used by most government agencies and major electrical engineering firms throughout the world. The primary test to  
ensure the quality and dependability of an automatic transfer switch is its ability to close into and withstand high fault currents. The table shows the Underwriters  
Laboratories and Canadian Standards certified withstand and closing current ratings in symmetrical RMS amperes at 480 and 600 volts AC.  
GE Zenith ZTS Switches  
Rated for Total Systems or Motor Loads (1)  
Withstand and Closing Current Ratings per UL 1008 and CSA  
Specific Coordinated  
Breaker Rating (3)  
Any Molded Case  
Breaker Rating  
Current Limiting Fuse  
UL 1008  
ZTS Switch  
Rating  
GE Zenith  
Model No.  
Maximum  
Maximum  
Maximum  
Circuit  
Breaker  
Size Amps  
Maximum  
Maximum  
Maximum  
Fuse Size  
Amps  
Maximum  
Maximum  
Circuit Amps  
at 600 VAC (CSA)  
Circuit Amps Circuit Amps  
Circuit Amps Circuit Amps  
Circuit Amps  
at 480 VAC  
(UL)  
at 600 VAC  
(CSA)  
at 480 VAC  
(UL)  
at 600 VAC  
(CSA)  
at 480 VAC (UL)  
ZTS4 (2)  
40  
50  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
400  
400  
30,000  
30,000  
30,000  
30,000  
50,000  
50,000  
50,000  
65,000  
65,000  
85,000  
85,000  
100,000  
100,000  
100,000  
100,000  
22,000  
22,000  
22,000  
22,000  
42,000  
42,000  
42,000  
50,000  
50,000  
65,000  
65,000  
85,000  
85,000  
85,000  
85,000  
10,000  
10,000  
10,000  
10,000  
35,000  
35,000  
35,000  
50,000  
50,000  
50,000  
50,000  
100,000  
100,000  
100,000  
100,000  
10,000  
10,000  
10,000  
10,000  
35,000  
35,000  
35,000  
42,000  
42,000  
42,000  
42,000  
85,000  
85,000  
85,000  
85,000  
ZTS8 (2)  
ZTS10 (2)  
ZTS15 (2)  
ZTS22 (2)  
ZTS26 (2)  
ZTS40 (2)  
ZTS60  
80  
100  
100  
125  
400  
150  
200  
400  
225  
300  
800  
260  
350  
800  
400  
600  
800  
600  
750  
800  
ZTS80  
800  
1000  
1250  
1500  
2000  
2500  
4000  
6000  
1600  
1600  
1600  
2500  
2500  
4000  
5000  
ZTS100  
ZTS120  
ZTS160  
ZTS200  
ZTS300  
ZTS400  
1000  
1200  
1600  
2000  
3000  
4000  
ZBTS10 (2)  
ZBTS15 (2)  
ZBTS22 (2)  
ZBTS26 (2)  
ZBTS40 (2)  
ZBTS60  
100  
150  
125  
200  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
800  
800  
50,000  
50,000  
50,000  
50,000  
50,000  
65,000  
85,000  
85,000  
85,000  
100,000  
100,000  
100,000  
100,000  
42,000  
42,000  
42,000  
42,000  
42,000  
50,000  
65,000  
65,000  
65,000  
85,000  
85,000  
85,000  
85,000  
35,000  
35,000  
35,000  
35,000  
35,000  
50,000  
50,000  
50,000  
50,000  
100,000  
100,000  
100,000  
100,000  
35,000  
35,000  
35,000  
35,000  
35,000  
42,000  
42,000  
42,000  
42,000  
85,000  
85,000  
85,000  
85,000  
225  
300  
800  
260  
350  
800  
400  
600  
800  
600  
750  
800  
ZBTS80  
800  
1000  
1250  
1500  
2000  
2500  
4000  
6000  
1600  
1600  
1600  
2500  
2500  
4000  
5000  
ZBTS100  
ZBTS120  
ZBTS160  
ZBTS200  
ZBTS300  
ZBTS400  
1000  
1200  
1600  
2000  
3000  
4000  
ZTSD4 (2)  
40  
80  
50  
100  
125  
200  
300  
350  
600  
750  
1000  
1250  
1500  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
N/A  
800  
800  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
65,000  
65,000  
85,000  
85,000  
42,000  
42,000  
42,000  
42,000  
42,000  
42,000  
42,000  
50,000  
N/A  
35,000  
35,000  
35,000  
35,000  
35,000  
35,000  
35,000  
50,000  
50,000  
50,000  
50,000  
35,000  
35,000  
35,000  
35,000  
35,000  
35,000  
35,000  
42,000  
N/A  
ZTSD8 (2)  
ZTSD10 (2)  
ZTSD15 (2)  
ZTSD22 (2)  
ZTSD26 (2)  
ZTSD40 (2)  
ZTSD60 (2)  
ZTSD80 (2)  
ZTSD100 (2)  
ZTSD120 (2)  
100  
150  
225  
260  
400  
600  
800  
1000  
1200  
800  
800  
800  
800  
800  
800  
1200  
1600  
1600  
200,000  
200,000  
65,000  
65,000  
42,000  
42,000  
1. For each rating attained in above table, the heat run was  
performed after the overload and endurance tests.  
2. These models also listed for 100% tungsten lamp loads.  
3. Consult factory for coordinated breaker types and ratings.  
4. All transfer switches are rated in coordination with the protective  
device installed. Lower rated devices than those shown may be  
utilized and the system rated accordingly.  
5. Consult the factory for IEC ratings.  
Page 7 PB-5066  
 
ZTS Series  
Withstand Ratings  
GE Zenith ZTS Switches  
Rated for Total Systems or Motor Loads (1)  
Withstand and Closing Current Ratings per UL 1008 and CSA  
Specific Coordinated  
Breaker Rating (3)  
Any Molded Case  
Breaker Rating  
Current Limiting Fuse  
UL 1008  
ZTS Switch  
Rating  
GE Zenith  
Model No.  
Maximum  
Maximum  
Maximum  
Circuit  
Breaker  
Size Amps  
Maximum  
Maximum  
Maximum  
Fuse Size  
Amps  
Maximum  
Maximum  
Circuit Amps  
at 600 VAC (CSA)  
Circuit Amps Circuit Amps  
Circuit Amps Circuit Amps  
Circuit Amps  
at 480 VAC  
(UL)  
at 600 VAC  
(CSA)  
at 480 VAC  
(UL)  
at 600 VAC  
(CSA)  
at 480 VAC (UL)  
100,000  
100,000  
100,000  
100,000  
ZTSD160 (2)  
1600  
2000  
3000  
4000  
2000  
2500  
4000  
6000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
2500  
2500  
4000  
5000  
100,000  
100,000  
100,000  
100,000  
85,000  
85,000  
85,000  
85,000  
85,000  
85,000  
85,000  
85,000  
ZTSD200 (2)  
ZTSD300 (2)  
ZTSD400 (2)  
ZTSCT10 (2)  
ZTSCT15 (2)  
ZTSCT22 (2)  
ZTSCT26 (2)  
ZTSCT40 (2)  
ZTSCT60  
100  
150  
750  
750  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
N/A  
800  
800  
65,000  
65,000  
65,000  
65,000  
65,000  
65,000  
65,000  
85,000  
85,000  
100,000  
100,000  
100,000  
100,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
N/A  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
100,000  
100,000  
100,000  
100,000  
42,000  
42,000  
42,000  
42,000  
42,000  
42,000  
N/A  
220  
750  
800  
260  
750  
800  
400  
750  
800  
600  
750  
800  
ZTSCT80  
800  
1000  
1250  
1500  
2000  
2500  
4000  
6000  
1200  
1600  
1600  
2500  
2500  
4000  
5000  
ZTSCT100  
ZTSCT120  
ZTSCT160  
ZTSCT200  
ZTSCT300  
ZTSCT400  
1000  
1200  
1600  
2000  
3000  
4000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
65,000  
65,000  
85,000  
85,000  
85,000  
85,000  
42,000  
42,000  
85,000  
85,000  
85,000  
85,000  
ZBTSD10 (2)  
ZBTSD15 (2)  
ZBTSD22 (2)  
ZBTSD26 (2)  
ZBTSD40 (2)  
ZBTSD60  
100  
150  
125  
200  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
800  
800  
50,000  
50,000  
50,000  
50,000  
50,000  
65,000  
85,000  
85,000  
85,000  
100,000  
100,000  
100,000  
100,000  
42,000  
42,000  
42,000  
42,000  
42,000  
50,000  
65,000  
65,000  
65,000  
85,000  
85,000  
85,000  
85,000  
35,000  
35,000  
35,000  
35,000  
35,000  
50,000  
50,000  
50,000  
50,000  
100,000  
100,000  
100,000  
100,000  
35,000  
35,000  
35,000  
35,000  
35,000  
42,000  
42,000  
42,000  
42,000  
85,000  
85,000  
85,000  
85,000  
225  
300  
800  
260  
350  
800  
400  
600  
800  
600  
750  
800  
ZBTSD80  
800  
1000  
1250  
1500  
2000  
2500  
4000  
6000  
1600  
1600  
1600  
2500  
2500  
4000  
5000  
ZBTSD100  
ZBTSD120  
ZBTSD160  
ZBTSD200  
ZBTSD300  
ZBTSD400  
1000  
1200  
1600  
2000  
3000  
4000  
ZBTSCT10 (2)  
ZBTSCT15 (2)  
ZBTSCT22 (2)  
ZBTSCT26 (2)  
ZBTSCT40 (2)  
ZBTSCT60  
100  
150  
750  
750  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
200,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
150,000  
800  
800  
65,000  
65,000  
65,000  
65,000  
65,000  
65,000  
85,000  
85,000  
85,000  
100,000  
100,000  
100,000  
100,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
65,000  
65,000  
65,000  
85,000  
85,000  
85,000  
85,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
50,000  
100,000  
100,000  
100,000  
100,000  
42,000  
42,000  
42,000  
42,000  
42,000  
42,000  
42,000  
42,000  
42,000  
85,000  
85,000  
85,000  
85,000  
225  
750  
800  
260  
750  
800  
400  
750  
800  
600  
750  
800  
ZBTSCT80  
800  
1000  
1250  
1500  
2000  
2500  
4000  
6000  
1600  
1600  
1600  
2500  
2500  
4000  
5000  
ZBTSCT100  
ZBTSCT120  
ZBTSCT160  
ZBTSCT200  
ZBTSCT300  
ZBTSCT400  
1000  
1200  
1600  
2000  
3000  
4000  
PB-5066 Page 8  
 
ZTS Series  
Dimensional Specifications / Power ConnectionTerminals  
ZTS ModelTransfer Switches  
NEMA 1 Enclosed  
Width Depth  
(B) (C)  
Weight  
Ampere  
Rating  
Poles  
Application Notes  
Height  
(A)  
Reference  
Figure  
Open  
Type  
NEMA 1  
40, 80  
100, 150  
2, 3  
4
24 (61)  
24 (61)  
18 (46)  
18 (46)  
11.13 (28)  
11.13 (28)  
A
A
21 (10)  
24 (11)  
57 (26)  
60 (27)  
1 – 7  
1 – 7  
1 – 8  
1 – 8  
1 – 8  
1 – 10  
1 – 10  
225  
260, 400  
2, 3  
4
46 (117)  
46 (117)  
66 (168)  
74 (188)  
24 (61)  
24 (61)  
24 (61)  
30 (76)  
14.13 (36)  
14.13 (36)  
19.75 (50)  
19.75 (50)  
A
A
B
B
70 (32)  
75 (34)  
165 (75)  
170 (68)  
380 (172)  
430 (195)  
2, 3  
4
165 (75)  
185 (84)  
600  
2, 3  
4
74 (188)  
74 (188)  
30 (76)  
40 (102)  
19.75 (50)  
19.75 (50)  
B
B
190 (86)  
210 (95)  
455 (206)  
540 (245)  
800, 1000, 1200  
1600  
2000  
3
4
90 (229)  
90 (229)  
30 (76)  
36 (91)  
48 (122)  
48 (122)  
C
C
345 (156)  
450 (204)  
1010 (458)  
1160 (526)  
3
4
90 (229)  
90 (229)  
30 (76)  
36 (91)  
48 (122)  
48 (122)  
C
C
465 (211)  
670 (304)  
1130 (513)  
1395 (633)  
3000  
3
4
90 (229)  
90 (229)  
40 (102)  
46.5 (118)  
60 (152)  
60 (152)  
C
C
770 (349)  
1025 (465)  
1595 (723)  
1850 (839)  
4000  
Application Notes:  
C
B
C
B
1. Metric dimensions (cm) and weights (Kg) shown in parenthesis adjacent  
to English measurements in inches and pounds.  
2. Includes 1.25" door projection beyond base depth. Allow a minimum of 3"  
additional depth for projection of handle, light, switches, pushbuttons, etc.  
3. All dimensions and weights are approximate and subject to change  
without notice.  
A
A
4. Special enclosures (NEMA 3R, 4, 12, etc.) dimensions and layout may differ.  
Consult the GE Zenith factory for details.  
5. Normal and emergency may be ordered inverted on any switch.  
The load may be inverted 600-1200 amps. Consult the factory for details.  
6. Special lug arrangements may require different enclosure dimensions.  
For certified drawings, contact the GE Zenith factory.  
Figure A  
7. Packing materials must be added to weights shown. Allow 15% additional  
Figure B  
weight for cartons, skids, crates, etc.  
8. Add 4" in height for removable lifting lugs.  
9. Lug adapters for 3000-4000 amp limits may be staggered length for ease  
of entrance. Consult the GE Zenith factory for details.  
10. Ventilation louvers on both sides of enclosure at 3000 and 4000 amps.  
One must be clear for airflow with standard cable connections.  
Figure C  
AL-CU UL Listed Solderless  
Screw-TypeTerminals for  
External Power Connections  
Switch  
Normal,  
Switch  
Normal  
Size  
Emergency,  
Size  
Emergency,  
Notes:  
Amps  
& Load Terminals  
Amps  
& Load Terminals  
Line and load terminals are located in rear and arranged for bus bar connection.  
Terminal lugs are available at additional cost. Contact factory for more details.  
Cables/  
Pole  
Wire  
Ranges  
Cables/  
Pole  
Wire  
Ranges  
*
40-150  
225  
1
1
1
1
2
#8 to 3/0 800/1000  
4
#2 AWG to  
600 MCM  
1. Special terminal lugs and neutral bars are available at additional cost. Contact factory and advise cable sizes  
and number of conductors per pole.  
AWG  
/1200  
1600  
#4 AWG to  
600 MCM  
2. Fully rated neutral provided on 3 phase, 4 wire system.  
260  
#4 AWG to  
600 MCM  
#4 AWG to  
600 MCM  
#2 AWG to  
600MCM  
2000  
3000  
4000  
3. Normal and emergency may be ordered inverted on any switch. Load may be inverted 600-1200 amps. Consult the factory for details. es:  
4. Lug adapters for 3000-4000 amp units may be staggered length for ease of entrance. Consult the factory for details.  
400  
*
600  
5. Special lug arrangements may require different enclosure dimensions. For certified drawings, contact the GE Zenith factory.  
Page 9 PB-5066  
 
ZTS Series  
Ordering Information  
Z
B
0
Model/Type  
Control  
Panel  
Config.  
Ampere Switched  
Enclosure  
Type  
Operational  
Voltage  
Accessories  
Size  
Poles  
T
S
0
0
0
0
0
0
B 0  
Entelli-Switch 250  
Microprocessor  
Control Unit  
0
0
0
0
0
0
0
0
0
4
8
0
5
0
2
6
0
B
N
0
1
A B  
Consult Table Below  
M
M
S
E
C
S
S
P
T
X
O
E
D
E
S
S
Z
Z
Z
Z
0
40 amps  
2 Poles  
Utility - Generator  
Type 1 Enclosed  
Standard (Open Transition)  
0
N
1
2
U
E
3 Poles  
T
S
D
0
80 amps  
Utility - Utility  
Type 12 Enclosure  
Delayed Transition  
N
N
E
M
M
M
M
S
S
S
S
1
N
3
R
M
Manual  
F
T
S
C
T
100 amps  
Type 3R Enclosure  
4 Poles  
Closed Transition  
1
P
N
0
4
150 amps  
B
T
S
0
Type 4 Enclosure  
2
Standard (Open Transition) w/ Bypass  
S
G
200 amps  
N
4
X
B
T
S
D
0
Z
2
Type 4X Enclosure  
Then choose  
additional  
accessories  
Delayed Transition w/ Bypass  
225 amps  
X
0
0
2
B
T
S
C
T
Z
Open Style Unit  
260 amps  
Closed Transition w/ Bypass  
3
300 amps  
A
B
Voltage  
Phase Config.  
Hz  
0
0
0
1
4
0
1
2
2
3
3
3
3
3
3
3
4
4
4
5
5
5
5
5
5
6
6
7
7
7
7
8
8
9
9
9
9
9
0
0
1
0
1
2
3
4
5
8
0
1
2
0
1
2
5
7
8
0
1
0
1
4
5
0
2
0
1
2
3
7
120  
120/240  
120/208  
240  
208  
220  
1
1
3
3
3
3
3
3
3
3
3
3
3
3
3
3
1
1
3
3
3
3
1
3
3
2
1
3
3
3
3
3
2 wire  
3 wire  
3 wire  
3 wire  
3 wire  
3 wire  
4 wire  
4 wire  
4 wire  
4 wire  
4 wire  
4 wire  
4 wire  
3 wire  
3 wire  
3 wire  
3 wire  
2 wire  
4 wire  
3 wire  
4 wire  
4 wire  
2 wire  
4 wire  
3 wire  
4/5 wire  
2 wire  
4 wire  
4 wire  
4 wire  
4 wire  
3 wire  
60  
60  
60  
60  
60  
50  
50  
60  
60  
60  
60  
60  
50  
60  
60  
50  
50  
60  
60  
60  
60  
60  
60  
60  
60  
60  
50  
60  
60  
50  
50  
60  
Switch Types  
Standard: Unless otherwise noted, the standard  
400 amps  
6
0
0
0
switch with quick transfer will be supplied.  
600 amps  
8
Delayed Transition: When ordered as the ZTSD,  
the delayed transition switch offers time delay during  
transfer from one position to the other. This is primarily  
for transfer of large motor or inductive loads.  
800 amps  
120/240  
110/220  
139/240  
120/240  
120/208  
127/220  
127/220  
480  
0
1000 amps  
1
1
2
2
3
2
0
Closed Transition: When ordered as the ZTSCT,  
the closed transition switch offers two basic modes  
of operation. During a failure of one source or an out  
of specification condition, the ZTSCT Model operates  
as a standard delayed transition switch (ZTSD Model).  
This sequence allows clear separation of an unreliable  
source from an available one.  
1200 amps  
6
0
1600 amps  
440  
0
0
440  
460  
2000 amps  
480  
6
0
254/440  
575  
Bypass: When ordered as the ZBTS, the bypass  
transition switch offers a draw-out mechanism, with  
electrical and mechanical interlocks for secure removal  
after load bypass. In this way the transfer switch  
and/or the control panel may be tested, isolated and  
removed for maintenance without load interruption.  
2600 amps  
347/600  
277/480  
277  
266/460  
460  
120/240  
380  
240/416  
220/380  
220/380  
240/416  
380  
0
0
3000 amps  
4
0
0
4000 amps  
Example  
ZTSCT0B0040F-N0140STD  
This number string shows the correct format for a ZTS Model Automatic Transfer Switch with closed transition,  
an Entelli-Switch 250 microprocessor control unit, Utility - Generator, 400 amps, 4 pole, NEMA Type 1 enclosure,  
120/208V 3Ø, 4 wire, 60 Hz system with the standard group of accessories.  
Note: Operating voltage must be specified at time of order.  
Only the most common voltages are shown above.  
GE Zenith Controls  
g
A Product of GE Industrial Systems  
General Electric Company  
830 West 40th Street, Chicago, IL 60609 USA  
773 299-6600, Fax: 630 850-6899  
Contents contained in this document are subject to  
change without notice. Contact GE to verify details.  
 

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