Miniature Circuit Breakers (MCB)

Shop miniature circuit breakers for control panels, DIN-rail assemblies, distribution boards, machinery, lighting, and branch-circuit applications.

Selection factors include UL 489 or UL 1077 application, voltage, poles, amp rating, interrupting rating, B/C/D trip curve, terminal arrangement, supplementary contacts, and mounting dimensions. An MCB with the same amp rating is not automatically an approved replacement.

Send the exact catalog number and label photos to sales@ampstate.com for technical matching. View all circuit breakers.

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Allen-Bradley 1746-NO8V - Output Module - Output Module

General Electric | 9F60MCB518 | Industrial Fuse | 390A | 2400V

Regular price $4,942.00
Sale price $4,942.00 Regular price
Unit price
OverviewGeneral Electric Industrial Fuse identified by part number 9F60MCB518. Suitable for maintenance, retrofit, and replacement...
Allen-Bradley 1746-NO8V - Output Module - Output Module

Eaton | 3MCB1600RBC | Industrial Electrical Part

Regular price $194,149.00
Sale price $194,149.00 Regular price
Unit price
OverviewEaton Industrial Electrical Part identified by part number 3MCB1600RBC. Suitable for maintenance, retrofit, and replacement...
Allen-Bradley 1746-NO8V - Output Module - Output Module

General Electric | 9F60MCB524 | Industrial Fuse | 450A | 2400V

Regular price $10,410.00
Sale price $10,410.00 Regular price
Unit price
OverviewGeneral Electric Industrial Fuse identified by part number 9F60MCB524. Suitable for maintenance, retrofit, and replacement...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

General Electric | AMCB6FDBFP | Circuit Breaker | 3-Pole | 600V

Regular price $2,010.00
Sale price $2,010.00 Regular price
Unit price
General Electric AMCB6FDBFP Circuit Breaker is a 3-pole, 600V protection device crafted for reliable performance...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

General Electric | AMCB6FBFP | Circuit Breaker | 3-Pole | 600V

Regular price $2,010.00
Sale price $2,010.00 Regular price
Unit price
Meet the General Electric AMCB6FBFP, a robust 3-Pole, 600V circuit breaker designed to keep critical...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

ABB | MCB-10B | Industrial Electrical Part | 690V

Regular price $2,010.00
Sale price $2,010.00 Regular price
Unit price
OverviewABB Industrial Electrical Part identified by part number MCB-10B. Suitable for maintenance, retrofit, and replacement...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

ABB | MCB-10 | Industrial Electrical Part | 690V

Regular price $310.00
Sale price $310.00 Regular price
Unit price
OverviewABB Industrial Electrical Part identified by part number MCB-10. Suitable for maintenance, retrofit, and replacement...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

ABB | MCB-01 | Industrial Electrical Part | 690V

Regular price $310.00
Sale price $310.00 Regular price
Unit price
OverviewABB Industrial Electrical Part identified by part number MCB-01. Suitable for maintenance, retrofit, and replacement...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

ABB | MCBH-00 | Industrial Electrical Part

Regular price $310.00
Sale price $310.00 Regular price
Unit price
OverviewABB Industrial Electrical Part identified by part number MCBH-00. Suitable for maintenance, retrofit, and replacement...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

MCBK225 | Terminal Block

Regular price $376.00
Sale price $376.00 Regular price
Unit price
OverviewIndustrial Terminal Block identified by part number MCBK225. Suitable for maintenance, retrofit, and replacement needs...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

General Electric | AMCB3FJFP | Industrial Electrical Part | 250A | 600V

Regular price $2,600.00
Sale price $2,600.00 Regular price
Unit price
OverviewGeneral Electric Industrial Electrical Part identified by part number AMCB3FJFP. Suitable for maintenance, retrofit, and...
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

General Electric | AMCB6QDFP | Circuit Breaker | 3-Pole | 600V | Bolt-On

Regular price $310.00
Sale price $310.00 Regular price
Unit price
When your three‑phase electrical system needs reliable overcurrent protection, the General Electric AMCB6QDFP circuit breaker...
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