Breakers

About Breakers

Trust in breaker products from MRO Electric for your electrical needs. We carry breakers from top manufacturers including FANUC, Schneider Electric, Siemens, and Yaskawa. MRO offers a minimum two year warranty on all breaker units. Contact us for a quote today!

Latest Breakers

3RV2811-1FD10

Siemens Breakers

TMCB UL489 FOR XFRMR S00 5A SCREW

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3RV2811-1HD10

Siemens Breakers

Siemens TMCB UL489 FOR XFRMR S00 8A SCREW

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3RV2811-4AD10

Siemens Breakers

CIRCUIT BREAKER TMCB UL489 FOR XFRMR S00

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3RA1445-8XC21-1AL2

Siemens Breakers

CONTACTOR ASSEMBLY, STAR-DELTA (ASSEMBLED) WITH TIME RELAIS AT THE SIDE, AC-3 75KW/400 V, 3-POLE, SIZES S3,S3,S2, EL. LOCKED, SCREW CONNECTION, AC 230...

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3RV1011-0JA20

Siemens Breakers

Circuit breaker size S00 for motor protection CLASS 10

in stock

3KD4640-0QE10-0

Siemens Breakers

SWITCH-DISCONNECTOR 630A, FRAME SIZE 4, 4-POLE FRONT OPERATING LEFT BASIC UNIT WITHOUT HANDLE FLAT TERMINAL

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3KE4530-0AA

Siemens Breakers

SWITCH DISCONNECTOR 3-POLE I=1000A, U=690V, FRONT ROTARY OPERATING MECHANISM WITHOUT HANDLE

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3NP4370-0CA01

Siemens Breakers

SENTRON, FUSE SWITCH DISCONNECTOR 3NP4, 3-POLE, NH2, 400 A, FOR ASSEMBLY AND INSTALLATION ON MOUNTING PLATE, SCREW CONNECTION

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3NP4470-0CA01

Siemens Breakers

SENTRON, FUSE SWITCH DISCONNECTOR 3NP4, 3-POLE, NH3, 630 A, FOR ASSEMBLY AND INSTALLATION ON MOUNTING PLATE, SCREW CONNECTION

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3NP5260-0EA86

Siemens Breakers

SENTRON, FUSE SWITCH DISCONNECTOR 3NP5, 3-POLE, NH1, 250 A, FOR ASSEMBLY AND INSTALLATION ON MOUNTING PLATE, WITH HIGH-SPEED CLOSING FEATURE, SCREW CO...

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3NP5260-0EB86

Siemens Breakers

SENTRON, FUSE SWITCH DISCONNECTOR 3NP5, 3-POLE, NH1, 250 A, FOR ASSEMBLY AND INSTALLATION ON MOUNTING PLATE, WITH HIGH-SPEED CLOSING FEATURE, CLAMP TE...

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3NP5460-0CA00

Siemens Breakers

SENTRON, FUSE SWITCH DISCONNECTOR 3NP5, 3-POLE, NH3, 630 A, FOR ASSEMBLY AND INSTALLATION ON MOUNTING PLATE, WITH HIGH-SPEED CLOSING FEATURE, SCREW CO...

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3NP5460-0EA86

Siemens Breakers

SENTRON, FUSE SWITCH DISCONNECTOR 3NP5, 3-POLE, NH3, 630 A, FOR ASSEMBLY AND INSTALLATION ON MOUNTING PLATE, WITH HIGH-SPEED CLOSING FEATURE, SCREW CO...

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3RA1336-8XB30-1BB4

Siemens Breakers

REVERSING CONTACTOR ASSEMBLY AC-3, 22 KW/400 V, 3-POLE SIZE S2, SCREW TERMINAL 24V DC ELECTRICAL AND MECHANICAL INTERLOCK

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3RA1344-8XB30-1AL2

Siemens Breakers

REVERSING CONTACTOR ASSEMBLY AC-3, 30 KW/400 V, 3-POLE SIZE S3, SCREW TERMINAL 230 V AC, 50/60 HZ ELECTRICAL AND MECHANICAL INTERLOCK

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3RA1345-8XB30-1AL2

Siemens Breakers

REVERSING CONTACTOR ASSEMBLY AC-3, 37 KW/400 V, 3-POLE SIZE S3, SCREW TERMINAL 230 V AC, 50/60 HZ ELECTRICAL AND MECHANICAL INTERLOCK

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3RA1345-8XB30-1BB4

Siemens Breakers

REVERSING CONTACTOR ASSEMBLY AC-3, 37 KW/400 V, 3-POLE SIZE S3, SCREW TERMINAL 24 V DC ELECTRICAL AND MECHANICAL INTERLOCK

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3RA1346-8XB30-1AL2

Siemens Breakers

REVERSING CONTACTOR ASSEMBLY AC-3, 45 KW/400 V, 3-POLE SIZE S3, SCREW TERMINAL 230 V AC, 50/60 HZ ELECTRICAL AND MECHANICAL INTERLOCK

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3RA1346-8XB30-1BB4

Siemens Breakers

REVERSING CONTACTOR ASSEMBLY AC-3, 45 KW/400 V, 3-POLE SIZE S3, SCREW TERMINAL 24 V DC ELECTRICAL AND MECHANICAL INTERLOCK

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3RW4436-6BC35

Siemens Breakers

SIRIUS SOFT STARTER, VALUES WITH 575 V, 50 DEG., STANDARD: 145A, 125HP, INSIDE-DELTA CIRCUIT 3: 251A, 250HP, 400-600 V AC, 115 V AC, SCREW TERMINALS

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