Eaton
NZMB2-AF175-NA
Eaton NZMB2-AF175-NA Molded Case Circuit Breaker 175A 3-Pole 480V Industrial OEM
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$824.89
Molded Case Circuit Breakers
155 listings · 135 in stock
155 molded case circuit breakers listings from the brands you use, each one photographed. Free shipping to all 50 US states.
Fuji Electric
BU-NHB3F120
Fuji BU-NHB3F120 Electric BU-FNH480A AC 480V 50/60Hz 0.018A 1200A 3-POLE
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$2,253.89
Schneider Electric
NLJD36400U33XHJ00
Schneider Electric Powerpact LJ 400 NLJD36400U33XHJ00 50/60HZ 240V 480V 100 KA
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$4,355.89
Brown
609903-T005
Brown Boveri Electric 609903-T005 Solid State Trip Unit ITE Type SS 200 Ohm 10%
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$26.89
Eaton
QBHW2060H
Eaton QBHW2060H Molded Case Breaker 240V 2 Pole Unit
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$51.89
Gould
JL3-T225
Gould JL3-T225 Trip Units 600V AC 3POLES
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$209.89
Eaton
LHH3400NN
Eaton LHH3400NN 400AMP 690VAC
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$1,454.89
Siemens
3VL4140-3RR30-0AA0
Siemens 3VL4140-3RR30-0AA0 400A 600V 250V
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$366.89
Eaton
68C6048G49
EATON 68C6048G49 High Performance Handle Shaft Guide Accessory for MCCB S01
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$43.89
ABB
XT1N
ABB Sace Tmax XT1N 125 PP SFR RA5330833 690V AC 500V DC 800V XT1NU3040AAA000XXX
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$76.89
Siemens
ED43B020
Siemens ED43B020 Molded Case Circuit Breker 20AMPS 480VAC 3POLES 50/60HZ
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$38.89
Mitsubishi
NF30-FA
Mitsubishi NF30-FA 1.5KA 3P 50/60HZ
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$28.89
Square D
FAL34030
Square D FAL34030 Series 2 480 50/60HZ 3 Poles 250VDC 30A
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$121.89
Siemens
ED63B100
Siemens I-T-E ED63B100 600VAC 3POLES 50/60HZ
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$97.89
Arrow Hart
AHMC240L-1
Arrow Hart AHMC240L-1 Molded Case Circuit Breaker 40A 600V 2-Pole
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$70.89
Square D
KCL34110
Square D KCL34110 110A 3P 480V 50/60HZ
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$1,380.89
General Electric
TFK236T125
GE Molded Case Circuit Breaker TFK236T125 Model 4 125AMPS 600V AC 250VDC 3POLES
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$435.89
Square D
HDA36015
Square D HDA36015 Molded Case Circuit Breaker 600V 15A 3-Pole
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$332.89
Square D
FAL34030
Square D FAL34030 30 A 3-Pole 480 V Thermal-Magnetic Molded Case Breaker
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$77.89
Square D
FAL36003
Square D FAL36003 11m 3 Amp 600 VAC 3Pole FA Frame Thermal Magnetic Molded Case
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$18.89
Industrial part
ACW250P
Wego MCCB ACW250P Industrial Circuit Breaker 240-600V 10-50KA 50/60HZ
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$203.89
Fuji Electric
SA33B
Fuji Electric SA33B BB3ASB-020 AC 220V 20A
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$15.89
Cutler-Hammer
C346
Cutler-Hammer SWD 20 Amp 40 DEG C346 VAC/CA 1POLECAT. HFD1020 Style 3A16273G4
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$14.89
ABB
SACET2H
ABB SACET2H 100 230-690V 70-100KA
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$28.89
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Guides for Molded Case Circuit Breakers
- Circuit protectionMolded Case Circuit Breaker Ratings & ReplacementsFrame size, trip rating, interrupting rating (kA), voltage and slash ratings, trip units and mounting, and a checklist for a safe replacement.
- Parts identificationHow to Read Breaker & VFD Nameplates and Date CodesFrame, trip and interrupting ratings on breakers; input, output, duty ratings and series on drives, and where to look for the date of manufacture.