5SY4 Miniature Circuit Breakers

Siemens 5SY4 Miniature Circuit Breakers provide safe short-circuit and overload protection for industrial applications. Siemens 5SY Miniature Circuit Breakers are available in 1-, 2-, 3-, 4-, 1+N, and 3+N-pole versions and are designed for rated currents from 0.3A to 80A at rated switching capacities of 6kA, 10kA, and 15kA. 5SY4 protects circuits of air-conditioning and ventilation systems, control cabinets, and controllers from the consequences of short-circuit and overload events.

Results: 358
Select Image Part # Mfr. Description Datasheet Availability Pricing (DKK) 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 SUP PTOR 5SY4 3P 480V 0.5A 5K D-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 500 mA 400 VAC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K A-TRIP 5In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 20 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 2.5A 7.5K C-TRIP 6In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 2.5 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP 45In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 6 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K C-TRIP 36In Stock
Min.: 1
Mult.: 1
5SY4 Circuit Breaker Miniature 10 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 15A 7.5K C-TRIP 34In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 15 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 10A 5K C-TRIP 24In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 10 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 1A 7.5K C-TRIP 12In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 1 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 1A 7.5K D-TRIP 5In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 1 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 2A 7.5K A-TRIP 3In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 2 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 2A 7.5K B-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 2 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 2A 7.5K C-TRIP 23In Stock
Min.: 1
Mult.: 1
5SY4 Circuit Breaker Miniature 2 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 2A 7.5K D-TRIP 8In Stock
Min.: 1
Mult.: 1
5SY4 Circuit Breaker Miniature 2 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers circuit breaker 10ka 1pole b3 1In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 3 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers MINIATURE CURCIUT BREAKER, 230/400V 10kA 6In Stock
Min.: 1
Mult.: 1
5SY4 Circuit Breaker Miniature 3 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 4A 7.5K C-TRIP 8In Stock
8Expected 13/02/2026
Min.: 1
Mult.: 1
Circuit Breaker Miniature 4 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 4A 7.5K D-TRIP 5In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 4 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 0.5A 7.5K A-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 500 mA 400 VAC 72 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K C-TRIP 22In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 6 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K D-TRIP 5In Stock
Min.: 1
Mult.: 1
5SY4 Circuit Breaker Miniature 6 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 8A 7.5K C-TRIP 5In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 8 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K A-TRIP 5In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 10 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K B-TRIP 5In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 10 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K D-TRIP 10In Stock
Min.: 1
Mult.: 1
5SY4 Circuit Breaker Miniature 10 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 5A 7.5K C-TRIP 18In Stock
Min.: 1
Mult.: 1
Circuit Breaker Miniature 5 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated