Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Miniature Circuit Breaker
	Number of Poles	3
	Current Rating	63A
	Tripping Characteristics	Type C
	Rated AC Voltage	440V ac
	Rated DC Voltage	12V dc
	Mount Type	DIN Rail
	Breaking Capacity	15kA
	Series	S403M
	Terminal Type	Screw
	IP Rating	IP20
	Standards/Approvals	CMRT, RoHS, REACH, IEC/EN 60898-1
	Height	91mm
	Depth	82mm
	Width	54mm
	Tripping Mechanism	Thermal, Electromechanic

	Select all
	Brand ABB
	Product Type Miniature Circuit Breaker
	Number of Poles 3
	Current Rating 63A
	Tripping Characteristics Type C
	Rated AC Voltage 440V ac
	Rated DC Voltage 12V dc
	Mount Type DIN Rail
	Breaking Capacity 15kA
	Series S403M
	Terminal Type Screw
	IP Rating IP20
	Standards/Approvals CMRT, RoHS, REACH, IEC/EN 60898-1
	Height 91mm
	Depth 82mm
	Width 54mm
	Tripping Mechanism Thermal, Electromechanic

Datasheet - 2CCS573001R0634

COO (Country of Origin):: CH

ABB S403M Series MCB, 3 Poles, 63A Current - 2CCS573001R0634

This MCB is a 3 pole device specifically designed for commercial and industrial applications. With a current rating of 63A and a breaking capacity of 15 kA, it provides reliable protection in various electrical installations. The device features thermal electromechanical tripping mechanisms, ensuring safe operation under overload and short circuit conditions. Its compact design allows for easy installation on a DIN rail, with dimensions of 54mm in width, 82mm in length, and 82mm in depth.

Features & Benefits

• Offers effective overload protection through thermal tripping

• Includes an electromechanical mechanism for short circuit safety

• Designed for use in both commercial and industrial settings

• Supports a wide operational voltage range up to 440V AC

• Easy installation with a standard DIN rail mounting option

• Robust construction ensures long-lasting performance under normal conditions

Applications

• Utilised in commercial electrical systems for load management

• Protects industrial machinery from electrical faults

• Suitable for critical power requiring high reliability

• Effective in multi-phase systems with three-pole connections

What should I consider when selecting an MCB for specific applications?

When choosing, consider the current rating, breaking capacity, and the specific tripping characteristics needed for your application. It's crucial to ensure that the MCB meets the electrical load requirements and complies with relevant standards.

How do the tripping mechanisms work in this device?

The device incorporates a delayed thermal mechanism for overload protection, which allows temporary current surges while swiftly disconnecting during persistent overloads. The electromechanical mechanism activates instantly in the event of a short circuit, providing comprehensive protection.

What is the significance of the breaking capacity in this MCB?

The breaking capacity indicates the maximum fault current the device can safely interrupt without damage. A breaking capacity of 15 kA ensures effective protection in scenarios where high fault currents could occur, essential for safeguarding equipment and infrastructure.

ABB S403M Miniature Circuit Breaker, 3-Pole, 63A, Type C, 440V ac AC, 12 V dc DC, 15 kA Breaking Capacity