Circuit Breakers

(66 results)

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.

Part # Manufacturer Description Availability Pricing Quantity
ABB Ltd_S201UDC-Z5-ABBG

S201UDC-Z5-ABBG

Circuit Breakers
ABB Ltd Circuit Breaker, 1-P, 5A/60VDC
32
-
ABB Ltd_S201UDC-Z3-ABBG

S201UDC-Z3-ABBG

Circuit Breakers
ABB Ltd CIRCUIT BREAKER, 1-P, 3A/60VDC
3
-
ABB Ltd_S203UP-K8

S203UP-K8

Circuit Breakers
ABB Ltd Circuit Breaker, 3-P, 8A/277VAC,
3
-
ABB Ltd_S3L150TW

S3L150TW

Circuit Breakers
ABB Ltd Circuit Breaker, 3-P, 150A/600VA
In Stock
-
ABB Ltd_ST201M-D1

ST201M-D1

Circuit Breakers
ABB Ltd Circuit Breaker, 1-P, 1A/277VAC,
1
-
ABB Ltd_SU203M-Z1.6

SU203M-Z1.6

Circuit Breakers
ABB Ltd UL489 MCB 3P Z 1.6A 480/277
1
-
ABB Ltd_S201U-K16

S201U-K16

Circuit Breakers
ABB Ltd Circuit Breaker, 1-P, 16A/240VAC
1
-
ABB Ltd_S201-K40

S201-K40

Circuit Breakers
ABB Ltd Circuit Breaker, 1-P, 40A/277VAC
1
-
ABB Ltd_S201-K0.5

S201-K0.5

Circuit Breakers
ABB Ltd Circuit Breaker, 1-P, 0.5A/277VA
1
-
ABB Ltd_S403M-C3

S403M-C3

Circuit Breakers
ABB Ltd SmissLN Circuit Breaker IEC 3P 3
2
-
ABB Ltd_S203UP-K3

S203UP-K3

Circuit Breakers
ABB Ltd Circuit Breaker, 3-P, 3A/277VAC,
In Stock
-
ABB Ltd_S203P-B10

S203P-B10

Circuit Breakers
ABB Ltd Circuit Breaker
1
-
ABB Ltd_S201UP-K6

S201UP-K6

Circuit Breakers
ABB Ltd Circuit Breaker, 1-P, 6A/277V, K
8
-
ABB Ltd_XT4NU4025AFF000XXX

XT4NU4025AFF000XXX

Circuit Breakers
ABB Ltd Circuit Breaker, 4-P, 25A, 600V,
1
-
ABB Ltd_TS3N020TW-2

TS3N020TW-2

Circuit Breakers
ABB Ltd Circuit Breaker, 2-P, 20A/600VAC
1
-
ABB Ltd_S201-C32

S201-C32

Circuit Breakers
ABB Ltd Circuit Breaker, 1-P, 32A/277VAC
8
-
ABB Ltd_SU201M-Z3

SU201M-Z3

Circuit Breakers
ABB Ltd UL489 MCB 1P Z 3A 480/277
5
-
ABB Ltd_S402M-C63

S402M-C63

Circuit Breakers
ABB Ltd SmissLN Circuit Breaker IEC 2P 6
1
-
ABB Ltd_T1B015TL-1

T1B015TL-1

Circuit Breakers
ABB Ltd CIRCUIT BREAKER, 1-P, 15A/277VAC
9
-
ABB Ltd_SU201M-K4

SU201M-K4

Circuit Breakers
ABB Ltd Circuit Breaker, 1-P, 4A/277VAC,
7
-
ABB Ltd_T4N040TW

T4N040TW

Circuit Breakers
ABB Ltd Circuit Breaker Thermal Magnetic 3Pole 40A 600VAC 600VDC
In Stock
-
ABB Ltd_S751/3DR-E35

S751/3DR-E35

Circuit Breakers
ABB Ltd Circuit Breaker 3Pole 35A 230V/400VAC Carton
In Stock
-
ABB Ltd_S751/3-E63

S751/3-E63

Circuit Breakers
ABB Ltd Circuit Breaker 3Pole 63A 230V/400VAC Carton
In Stock
-
ABB Ltd_TS3N125TL

TS3N125TL

Circuit Breakers
ABB Ltd Tmax Molded Circuit Breaker, Frame Size 225A, Trip Type Thermal-Magnetic
In Stock
-
ABB Ltd_2CDS251001R0325

2CDS251001R0325

Circuit Breakers
ABB Ltd Miniature Circuit Breaker
In Stock
-