Specifications

Technical Reference

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Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Number of Poles	3
	Current Rating	40A
	Tripping Characteristics	Type B
	Rated AC Voltage	230 V, 400V
	Breaking Capacity at Maximum Voltage Rating	10 kA
	Range	SMISSLINE TP
	Series	S400M
	Circuit Breaker Type	MCB
	Width	54mm
	Length	91mm
	Mounting Style	DIN Rail Mount
	Depth	75mm
	Model Number	S403M-B40
	Special Features	Overload Protection, Thermal Tripping
	Reset Actuator Type	Toggle Switch
	Application	Commercial, Industrial
	Terminal Contact Type	Screw

	Select all
	Brand ABB
	Number of Poles 3
	Current Rating 40A
	Tripping Characteristics Type B
	Rated AC Voltage 230 V, 400V
	Breaking Capacity at Maximum Voltage Rating 10 kA
	Range SMISSLINE TP
	Series S400M
	Circuit Breaker Type MCB
	Width 54mm
	Length 91mm
	Mounting Style DIN Rail Mount
	Depth 75mm
	Model Number S403M-B40
	Special Features Overload Protection, Thermal Tripping
	Reset Actuator Type Toggle Switch
	Application Commercial, Industrial
	Terminal Contact Type Screw

COO (Country of Origin):: CH

ABB S400M Series MCB, 3 Poles, 40A Current Rating - S403MB40

This miniature circuit breaker (MCB) is designed for commercial and industrial applications. With a current rating of 40A and 3 poles, it provides protection against overloads and short circuits. The dimensions are 54mm in width, 91mm in length, and 75mm in depth, allowing for installation on standard DIN rails.

Features & Benefits

• Overload protection breaker ensuring safety for electrical systems
• Type B MCB suitable for lighting and heating circuits
• 10kA breaking capacity for effective circuit protection
• Thermal tripping for reliable overload protection
• DIN rail mounted for easy and quick installation

Applications

• Ideal for use in commercial electrical distribution systems
• Suitable for protection of industrial machinery and equipment
• Designed to safeguard lighting circuits in buildings

Will it trip under normal overload conditions?

The thermal tripping mechanism ensures it trips during overload situations to protect connected circuits.

Is the installation process straightforward?

The DIN rail mounting design allows for quick and convenient installation in various electrical panels.

What are the voltage ratings supported?

It supports rated AC voltages of 230V and 400V, making it adaptable for different electrical systems.

ABB SMISSLINE TP S400M MCB, 3P, 40A Curve B, 230V AC, 10 kA Breaking Capacity

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