Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Number of Poles	1
	Current Rating	50A
	Tripping Characteristics	Type B
	Rated AC Voltage	230 V, 400V
	Rated DC Voltage	60V
	Breaking Capacity at Maximum Voltage Rating	10 kA
	Range	SMISSLINE TP
	Series	S400M
	Circuit Breaker Type	MCB
	Length	91mm
	Width	18mm
	Mounting Style	DIN Rail Mount
	Depth	75mm
	Model Number	S401M-B50
	Terminal Contact Type	Screw
	Application	Commercial, Industrial
	Reset Actuator Type	Toggle Switch
	Special Features	Overload Protection, Thermal Tripping

	Select all
	Brand ABB
	Number of Poles 1
	Current Rating 50A
	Tripping Characteristics Type B
	Rated AC Voltage 230 V, 400V
	Rated DC Voltage 60V
	Breaking Capacity at Maximum Voltage Rating 10 kA
	Range SMISSLINE TP
	Series S400M
	Circuit Breaker Type MCB
	Length 91mm
	Width 18mm
	Mounting Style DIN Rail Mount
	Depth 75mm
	Model Number S401M-B50
	Terminal Contact Type Screw
	Application Commercial, Industrial
	Reset Actuator Type Toggle Switch
	Special Features Overload Protection, Thermal Tripping

COO (Country of Origin):: CH

ABB S400M Series MCB, 1 Pole, 50A Current Rating - S401M-B50

This miniature circuit breaker (MCB) is designed to limit current, ensuring reliability and safety. The MCB operates at a current rating of 50A and features a compact design with dimensions of 91mm in length, 75mm in depth, and 18mm in width. Its ability to perform effectively under severe conditions makes it an essential component for electrical systems.

Features & Benefits

• Provides overload protection for enhanced safety
• Thermal and electromechanical tripping mechanisms
• Capable of breaking up to 10kA at maximum voltage
• DIN Rail mount simplifies installation and maintenance

Applications

• Utilised in industrial control panels to safeguard circuits for high-power equipment such as motors and compressors
• Used in lighting control panels to ensure protection for circuits driving high-intensity lamps and LED fixtures

Is it compatible with the Smissline system?

Yes, it is specifically designed for the Smissline circuit breakers.

Will it function effectively in extreme temperatures?

It operates within a temperature range of -25°C to 60°C.

Can installation be done easily?

Yes, the DIN rail mounting style allows for straightforward installation.

Is it compliant with international standards?

Yes, it complies with IEC/EN 60898-1 standards.

ABB SMISSLINE TP S400M MCB, 1P, 50A Curve B, 230V AC, 60V DC, 10 kA Breaking Capacity

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