Filter
Top Products
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.)
MQP150IV
KG3350 240V - 1Ø 333 400 350
18,000
250 ~ 500 1
Aluminum
Lugs
375
LG3600 208V - 3Ø 520
600
600 400 ~ 500
2
275LG3450 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.
CONTINUED FROM PREVIOUS PAGE