2-year Warranty

Same Day Shipping

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

3RW4444-6BC35

Siemens Breakers

SIRIUS SOFT STARTER, VALUES WITH 575 V, 50 DEG., STANDARD: 215A, 200HP, INSIDE-DELTA CIRCUIT 3: 372A, 350HP, 400-600 V AC, 115 V AC, SCREW TERMINALS

contact us or call for stock

3RW4444-6BC44

Siemens Breakers

SIRIUS SOFT STARTER, VALUES WITH 400 V, 40 DEG., STANDARD: 250A, 132KW, INSIDE-DELTA CIRCUIT 3: 433A, 250KW, 200-460 V AC, 230 V AC, SCREW TERMINALS

contact us or call for stock

3RW4445-6BC34

Siemens Breakers

SIRIUS SOFT STARTER, VALUES WITH 460 V, 50 DEG., STANDARD: 280A, 200HP, INSIDE-DELTA CIRCUIT 3: 485A, 400HP, 200-460 V AC, 115 V AC, SCREW TERMINALS

contact us or call for stock

3RW4445-6BC44

Siemens Breakers

SIRIUS SOFT STARTER, VALUES WITH 400 V, 40 DEG., STANDARD: 313A, 160KW, INSIDE-DELTA CIRCUIT 3: 542A, 315KW, 200-460 V AC, 230 V AC, SCREW TERMINALS

contact us or call for stock

3RW4445-6BC45

Siemens Breakers

SIRIUS SOFT STARTER, VALUES WITH 500 V, 40 DEG., STANDARD: 313A, 200KW, INSIDE-DELTA CIRCUIT 3: 542A, 355KW, 400-600 V AC, 230 V AC, SCREW TERMINALS

contact us or call for stock

3RW4446-6BC44

Siemens Breakers

SIRIUS SOFT STARTER, VALUES WITH 400 V, 40 DEG., STANDARD: 356A, 200KW, INSIDE-DELTA CIRCUIT 3: 617A, 355KW, 200-460 V AC, 230 V AC, SCREW TERMINALS

contact us or call for stock

3RW4447-6BC34

Siemens Breakers

SIRIUS SOFT STARTER, VALUES WITH 460 V, 50 DEG., STANDARD: 385A, 300HP, INSIDE-DELTA CIRCUIT 3: 667A, 600HP, 200-460 V AC, 115 V AC, SCREW TERMINALS

contact us or call for stock

3RW4453-6BC34

Siemens Breakers

SIRIUS SOFT STARTER, VALUES AT 460V, 50 DEG., STANDARD: 494A, 400HP, INSIDE-DELTA CIRCUIT 3: 856A, 750HP, 200-460V AC, 115V AC, SCREW TERMINALS

contact us or call for stock

3RW4455-6BC35

Siemens Breakers

SIRIUS SOFT STARTER, VALUES AT 575V, 50DEG., STANDARD: 615A, 700HP, INSIDE-DELTA CIRCUIT 3: 1065A, 1200HP, 400-600V AC, 115V AC, SCREW TERMINALS

contact us or call for stock

3RW4074-6BB35

Siemens Breakers

SIRIUS SOFT STARTER, S12, 248 A, 250 HP/575 V, 50 DEG., 400-600 V AC, 115 V AC, SCREW TERMINALS

contact us or call for stock

3RW3036-1AB04

Siemens Breakers

SIRIUS SOFT STARTER, SIZE S2, 45 A, 22 KW / 400 V, AC 200...460 V, UC 24 V, SCREW CONNECTION

in stock

3RW3044-1AB04

Siemens Breakers

SIRIUS SOFT STARTER, SIZE S3, 63 A, 30 KW / 400 V, AC 200...460 V, UC 24 V, SCREW CONNECTION

contact us or call for stock

3RW3044-1AB14

Siemens Breakers

SIRIUS SOFT START, SIZE S3, 63 A, 30 KW / 400 V, AC 200...460 V, UC 110...230 V

in stock

3RW3044-1AB15

Siemens Breakers

SIRIUS CUSHIONED STARTER SIZE S3, 63 A, 37 KW / 500 V AC 460...575 V, UC 110...230 V SCREW CONNECTION

contact us or call for stock

3RW3045-1AB04

Siemens Breakers

SIRIUS SOFT STARTER, SIZE S3, 75 A, 37 KW / 400 V, AC 200...460 V, UC 24 V, SCREW CONNECTION

contact us or call for stock

3RW3045-1AB14

Siemens Breakers

SIRIUS SOFT STARTER, SIZE S3, 75 A, 37 KW / 400 V, AC 200...460 V, UC 110...230 V, SCREW CONNECTION

contact us or call for stock

3RW3045-1AB15

Siemens Breakers

SIRIUS SOFT STARTER, SIZE S3, 75 A, 55 KW / 500 V, AC 460...575 V, UC 110...230 V, SCREW CONNECTION

contact us or call for stock

3RW3046-1AB04

Siemens Breakers

SIRIUS SOFT STARTER, SIZE S3, 100 A, 55 KW / 400 V, AC 200...460 V, UC 24 V, SCREW CONNECTION

contact us or call for stock

3RW3046-1AB14

Siemens Breakers

SIRIUS SOFT STARTER, SIZE S3, 100 A, 55 KW / 400 V, AC 200...460 V, UC 110...230 V, SCREW CONNECTION

in stock

3RW3346-0EC34

Siemens Breakers

ELECTRON. MOTOR CONTROL UNIT, VALUES WITH 55 DEGREES, STANDARD: 80 A, INSIDE-DELTA-3: 156 A, 200-460 V AC, 115 V AC

contact us or call for stock