Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Number of Poles	1
	Product Type	Miniature Circuit Breaker
	Current Rating	40 A
	Tripping Characteristics	Type D
	Rated AC Voltage	400 V ac
	Mount Type	DIN Rail
	Breaking Capacity	6kA
	Series	SN201
	Terminal Type	Cage Terminal
	IP Rating	IP40, IP20
	Standards/Approvals	IEC/EN 60898-1
	Height	85mm
	Width	18 mm
	Depth	69mm
	Reset Actuator Type	Toggle

	Select all
	Brand ABB
	Number of Poles 1
	Product Type Miniature Circuit Breaker
	Current Rating 40 A
	Tripping Characteristics Type D
	Rated AC Voltage 400 V ac
	Mount Type DIN Rail
	Breaking Capacity 6kA
	Series SN201
	Terminal Type Cage Terminal
	IP Rating IP40, IP20
	Standards/Approvals IEC/EN 60898-1
	Height 85mm
	Width 18 mm
	Depth 69mm
	Reset Actuator Type Toggle

COO (Country of Origin):: IT

ABB SN201 Series MCB, 40A Current Rating, 10kA Breaking Capacity - 2CSS255101R0401

This miniature circuit breaker is a 1P+N device designed to offer robust protection against overload and short circuits. With a current rating of 40A and a rated AC voltage of 230V, it provides reliable performance in various applications. Compactly designed for easy installation on a DIN rail, its measurements include a width of 18mm and a depth of 69mm.

Features & Benefits

• Short circuit protection enhances circuit safety and reliability
• Type D MCB ensures high resistance to overloads
• 10kA breaking capacity efficiently handles power surges
• Toggle switch actuator allows for easy manual resetting
• Energy limiting class maintains consistent performance levels
• Suitable for various mounting positions on DIN rail systems

Applications

• Utilised in domestic and commercial electrical installations
• Ideal for protecting single-phase circuits in industrial settings
• Employed for safeguarding lighting and power distribution panels
• Essential in automation systems for dependable circuit management

What is the significance of the tripping characteristic for overload protection?

The tripping characteristic defines how quickly the circuit breaker responds to overload conditions. A Type D characteristic is particularly effective for high inrush currents, making it Ideal for capacitive loads and motors.

How does the breaking capacity influence performance in circuit protection?

The breaking capacity determines the maximum fault current the device can safely interrupt. A 10kA breaking capacity ensures that the circuit breaker can handle significant short circuit conditions without failure.

What type of terminals does it feature for connections?

It is equipped with screw terminals, allowing for secure and reliable connections for flexible and rigid wiring options.

What are the operational ambient temperature limits for effective use?

Operational functionality is guaranteed in an ambient temperature range of -25°C to +55°C, accommodating various environmental conditions for installations.

ABB SN201 Miniature Circuit Breaker, 1-Pole, 40 A, Type D, 400 V ac AC, 6 kA Breaking Capacity

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