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.

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Qty. RoHS ECAD Model Series
Product
Type
Current Rating
Voltage Rating AC
Voltage Rating DC
Number of Poles
Actuator
Minimum Operating Temperature
Maximum Operating Temperature
Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 10A 5K D-TRIP
Datasheet
6In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 10 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 5A 5K C-TRIP
Datasheet
6In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 5 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 13A 5K C-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 13 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 16A 5K B-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 16 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 16A 5K C-TRIP
Datasheet
4In Stock
1Expected 02/11/2026
Min.: 1
Mult.: 1
Circuit Breakers Miniature 16 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 16A 5K D-TRIP
Datasheet
3In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 16 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 15A 5K C-TRIP
Datasheet
3In Stock
3Expected 24/09/2026
Min.: 1
Mult.: 1
Circuit Breakers Miniature 15 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 20A 5K C-TRIP
Datasheet
14In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 20 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 25A 5K C-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 25 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 40A 5K C-TRIP
Datasheet
4In Stock
2Expected 27/11/2026
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 2A 5K C-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 2 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 2A 5K D-TRIP
Datasheet
6In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 2 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 4A 5K C-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 4 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 6A C-TRIP
Datasheet
2In Stock
4Expected 19/10/2026
Min.: 1
Mult.: 1
Circuit Breakers Miniature 6 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 6A 5K D-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 6 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 10A 5K C-TRIP
Datasheet
4In Stock
Min.: 1
Mult.: 1

Circuit Breakers Miniature 10 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 10A 5K D-TRIP
Datasheet
1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 10 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 16A 5K D-TRIP
Datasheet
3In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 16 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 15A 5K C-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 15 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 20A 5K B-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 20 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers MINI CIRCUIT BREAKER_20A_400V
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 20 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 25A 5K C-TRIP
Datasheet
4In Stock
Min.: 1
Mult.: 1

Circuit Breakers Miniature 25 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 25A 5K D-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 25 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 30A 5K C-TRIP
Datasheet
5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 30 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 32A 5K C-TRIP
Datasheet
10In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 32 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated