ABB S303 Series MCB, 63A Current Rating, 3 Poles - 2CDS383001R0634

This MCB is a sophisticated 3 Pole Circuit Breaker designed for reliable electrical protection in commercial and industrial applications. With a current rating of 63A and a breaking capacity of 15kA, it is ideal for safeguarding electrical installations from overloads and short circuits. The compact unit measures 52.5mm in width and 69mm in depth, designed for convenient mounting on standard DIN rails.

Features & Benefits

• Robust 15kA MCB breaking capacity allows for maximum short-circuit protection

• Tripping characteristics of Type C enhance operational reliability

• Seamless installation on DIN rail simplifies configuration and maintenance

• Screw terminal design ensures secure and efficient cable connections

• Rated for 415V AC operation, suitable for diverse electrical systems

• Compatible with a full range of ABB Circuit Breakers and accessories

Applications

• Used for electrical protection in commercial buildings

• Ideal for industrial machinery and equipment safety

• Found in automated control systems for overload protection

• Utilised in distribution boards for effective load management

• Designed for integration with low voltage electrical circuits

What type of electrical systems is this circuit breaker designed for?

It is rated for use in systems operating at 415V AC, making it suitable for both commercial and industrial electrical installations.

How does the Type C tripping characteristic benefit operational efficiency?

The Type C characteristic allows for a higher tolerance of temporary inrush currents, making it suitable for devices with power surges, while still providing essential protection against sustained overloads.

What are the installation requirements for this MCB?

It is designed to mount easily onto standard DIN rails, ensuring a secure fit and quick setup in electrical panels.

What maintenance procedures are recommended for this product?

Regular inspections of connections and functionality are advised, alongside ensuring that the trip indicator is functioning correctly to maintain operational safety.

Select all	Attribute	Value
	Brand	ABB
	Number of Poles	3
	Product Type	Miniature Circuit Breaker
	Current Rating	63 A
	Tripping Characteristics	Type C
	Rated AC Voltage	415 V ac
	Rated DC Voltage	125 V
	Breaking Capacity	25kA
	Mount Type	DIN Rail
	Range	System Pro M Compact
	Series	S303
	Terminal Type	Screw
	IP Rating	IP40, IP20
	Width	17.5 mm
	Standards/Approvals	IEC/EN 60947-2 IEC/EN 60898-1 UL 1077 CSA 22.2. No.235 GB/T 14048.2 GB/T 10963.1
	Height	88mm
	Depth	69mm

	Select all
	Brand ABB
	Number of Poles 3
	Product Type Miniature Circuit Breaker
	Current Rating 63 A
	Tripping Characteristics Type C
	Rated AC Voltage 415 V ac
	Rated DC Voltage 125 V
	Breaking Capacity 25kA
	Mount Type DIN Rail
	Range System Pro M Compact
	Series S303
	Terminal Type Screw
	IP Rating IP40, IP20
	Width 17.5 mm
	Standards/Approvals IEC/EN 60947-2 IEC/EN 60898-1 UL 1077 CSA 22.2. No.235 GB/T 14048.2 GB/T 10963.1
	Height 88mm
	Depth 69mm

ABB System Pro M Compact S303 Miniature Circuit Breaker, 3-Pole, 63 A, Type C, 415 V ac AC, 125 V DC, 25 kA Breaking

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