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PAGE 84 — INDUSTRIAL GENERATOR SETS — APPLICATION & INSTALLATION MANUAL — REV. #4 (09/07/07)
APPENDIX — MAIN-LINE CIRCUIT BREAKER
TABLE 25. FACTORY RECOMMENDED MAIN LINE CIRCUIT BREAKERS
FOR MQ POWER INDUSTRIAL GENERATORS
(cont.)
Generator
Model
ABB or
Cutler Hammer
Model No.
Generator
Output
(Voltage)
Generator
Output
(Amps)
Breaker
Frame Size
(Amps)
Breaker
Trip Rating
(Amps)
Interrupting
Rating RMS
(Sym Amps)
Cable Size
(kcmil)
{Note 1}
Max. No.
Cables Per
Phase
Type Of
Connection
{Note 2}
Torque Rating
Of Lugs
(in./lbs.)
(in./lbs.)
MQP150IV
KG3350
240V - 1Ø
333
400
350
18,000
250 ~ 500
1
Aluminum
Lugs
375
LG3600
208V - 3Ø
520
600
600
400 ~ 500
2
275
LG3450
240V - 3Ø
451
450
#4 ~ 4/0
JG3225
480V - 3Ø
226
250
225
14,000
#4 ~ 350
1
MQP175IV
LG3600
240V - 1Ø
542
600
600
18,000
400 ~ 500
2
Aluminum
Lugs
275
LG3601
208V - 3Ø
607
LG3602
240V - 3Ø
526
KG3300
480V - 3Ø
263
400
300
14,000
250 ~ 500
1
375
MQP200IV
MDL3700
208V - 3Ø
694
800
700
65,000
3/0 ~ 400
3
Aluminum
Lugs
375
LG3600
240V - 3Ø
601
600
600
18,000
400 ~ 500
2
275
KG3300
480V - 3Ø
301
400
300
14,000
250 ~ 500
1
375
MQP250IV
Technical data for this unit TBD
MQP300IV
NG31000
208V - 3Ø
1041
1,200
1,000
18,000
3/0 ~ 400
3
Aluminum
Lugs
375
240V - 3Ø
902
LG3500
480V - 3Ø
453
600
500
14,000
3/0 ~ 350
2
275
MQP350IV
NG31200
208V - 3Ø
1214
1,200
1,200
18,000
4/0 ~ 500
4
Aluminum
Lugs
375
NG31000
240V - 3Ø
1052
1,000
3/0 ~ 400
3
LG3600
480V - 3Ø
526
600
600
14,000
4/0 ~ 500
2
275
MQP400V
Technical data for this unit TBD
MQP450VO
RD316T33W
208V - 3Ø
1561
2,500
1,600
125,000
500 ~ 1000
4
Aluminum
Lugs
550
240V - 3Ø
1353
4
MDL3700
480V - 3Ø
677
800
700
50,000
3/0 ~ 400
3
375
MQP500VO
RD320T33W
208V - 3Ø
1735
2,500
2,000
125,000
#2 ~ 600
6
Aluminum
Lugs
500
240V - 3Ø
1503
1,600
125,000
500 ~ 1000
4
MDL3800
480V - 3Ø
752
800
800
50,000
3/0 ~ 400
3
375
MQP550VO
Technical data for this unit TBD
MQP600VO
Technical data for this unit TBD
NOTES:
1. Refer to National Electric Code (NEC) for specific conductor sizes based on current and temperature ratings.
2. Lug sizes are given for standard circuit breaker setup. All lugs listed are made of aluminum and are compatible with both aluminum and copper conductors.
1. Refer to National Electric Code (NEC) for specific conductor sizes based on current and temperature ratings.
2. Lug sizes are given for standard circuit breaker setup. All lugs listed are made of aluminum and are compatible with both aluminum and copper conductors.
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