5SJ4 Miniature Circuit Breakers

Siemens 5SJ4 Miniature Circuit Breakers come in 1-, 2- or 3-pole versions with 0.3A to 63A rated current. These 70mm mounting depth devices are smaller than traditional molded-case circuit breakers and feature identical wire screw connections on the line and load sides. Siemens 5SJ4 provides DIN rail mounting, an ON and OFF/Trip visible indicator, and EN50274 touch protection.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Type
Current Rating
Voltage Rating AC
Voltage Rating DC
Number of Poles
Actuator Type
Minimum Operating Temperature
Maximum Operating Temperature
Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 25A 10K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 25 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 25A 10K D-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 25 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 30A 10K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
5SJ4 Circuit Breaker Miniature 30 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 30A 10K D-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 30 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 32A 14K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 32 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 32A 10K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 32 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 32A 10K D-TRIP
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 32 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 32A 10K D-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 32 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 35A 14K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 35 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 35A 10K C-TRIP
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 35 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 35A 10K D-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 35 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 40A 14K C-TRIP
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 40 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 40A 10K C-TRIP
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 40 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 45A 10K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 45 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 1A 14K C-TRIP
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 1 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 480/277 1A 10K C-TRIP
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 1 A 277 VAC, 480 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 1A 14K D-TRIP
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 1 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 2A 14K C-TRIP
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 2 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 2A 14K D-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 2 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 3A 14K C-TRIP
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 3 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 3A 14K D-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 3 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 4A 14K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 4 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 4A 14K D-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 4 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 0.5A 14K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 500 mA 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 480/277 0.5A 10K C-TRIP
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Circuit Breaker Miniature 500 mA 277 VAC, 480 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated