MPN

Siemens SENTRON 5SY4 Miniature Circuit Breaker, 2-Pole, 50 A, Type D, 400 V ac AC, 72 V DC, 10 kA Breaking Capacity

RS Stock No.:: 124-3171
Mfr. Part No.:: 5SY4250-8
Manufacturer:: Siemens

Siemens SENTRON 5SY4 Miniature Circuit Breaker, 2-Pole, 50 A, Type D, 400 V ac AC, 72 V DC, 10 kA Breaking Capacity

Subtotal (1 unit)*

€141.95

(exc. VAT)

€174.60

(inc. VAT)

Temporarily out of stock

Shipping from 23 March 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	€141.95

*price indicative

RS Stock No.:: 124-3171
Mfr. Part No.:: 5SY4250-8
Manufacturer:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Number of Poles	2
	Product Type	Miniature Circuit Breaker
	Current Rating	50 A
	Tripping Characteristics	Type D
	Rated AC Voltage	400 V ac
	Rated DC Voltage	72 V
	Mount Type	DIN Rail
	Breaking Capacity	10kA
	Range	SENTRON
	Series	5SY4
	IP Rating	IP20
	Standards/Approvals	IEC/EN 60898-1, IEC/EN 60947-2/UL1077
	Depth	90mm
	Height	90mm
	Width	76 mm
	Reset Actuator Type	Toggle Switch

	Select all
	Brand Siemens
	Number of Poles 2
	Product Type Miniature Circuit Breaker
	Current Rating 50 A
	Tripping Characteristics Type D
	Rated AC Voltage 400 V ac
	Rated DC Voltage 72 V
	Mount Type DIN Rail
	Breaking Capacity 10kA
	Range SENTRON
	Series 5SY4
	IP Rating IP20
	Standards/Approvals IEC/EN 60898-1, IEC/EN 60947-2/UL1077
	Depth 90mm
	Height 90mm
	Width 76 mm
	Reset Actuator Type Toggle Switch

COO (Country of Origin):: DE

Siemens SENTRON 5SY4 Miniature Circuit Breaker, 2-Pole, 50 A, Type D, 400 V ac AC, 72 V DC, 10 kA Breaking Capacity

Related links