ABB S303 Series MCB, 32A Current Rating, 15kA Breaking Capacity - 2CDS383001R0321

This miniature circuit breaker (MCB) is designed to provide efficient protection in electrical installations. It features a 3-pole configuration and a current rating of 32A, making it suitable for a range of applications. With dimensions of 69mm in length, 52.5mm in width, and a depth of 69mm, this compact circuit breaker is easily mountable on a DIN rail. The MCB’s Type D tripping characteristics enhance safety by effectively handling overload and short-circuit conditions at a rated AC voltage of 415V.

Features & Benefits

• Supports a breaking capacity of 15kA to handle fault events

• Designed for easy installation with DIN rail mounting

• Screw terminals ensure secure electrical connections

• Compliant with multiple international safety standards

• Durable design for enhanced longevity and performance

• Lightweight construction minimises installation burden

Applications

• Used for protecting electrical installations in commercial settings

• Ideal for industrial machinery and equipment protection

• Suitable for residential electrical distribution boards

• Utilised in automated systems requiring overload protection

What type of installations is this device suitable for?

This device is suitable for commercial, industrial, and residential installations, providing reliable protection against overloads and short circuits.

How does this circuit breaker manage overload conditions effectively?

It features Type D tripping characteristics, allowing it to tolerate higher inrush currents while ensuring disconnection during sustained overloads.

What is the significance of the breaker’s 15kA breaking capacity?

The 15kA breaking capacity means it can safely interrupt fault currents up to this value, significantly reducing the risk of damage to both the circuit and connected devices.

Can this breaker be mounted horisontally or vertically?

Yes, it can be mounted in any position to suit installation requirements, maintaining its effectiveness and safety features.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Miniature Circuit Breaker
	Number of Poles	3
	Current Rating	32 A
	Tripping Characteristics	Type D
	Rated AC Voltage	415 V ac
	Rated DC Voltage	125 V
	Mount Type	DIN Rail
	Breaking Capacity	25kA
	Range	System Pro M Compact
	Series	S303
	IP Rating	IP20, IP40
	Depth	69mm
	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
	Width	17.5 mm

	Select all
	Brand ABB
	Product Type Miniature Circuit Breaker
	Number of Poles 3
	Current Rating 32 A
	Tripping Characteristics Type D
	Rated AC Voltage 415 V ac
	Rated DC Voltage 125 V
	Mount Type DIN Rail
	Breaking Capacity 25kA
	Range System Pro M Compact
	Series S303
	IP Rating IP20, IP40
	Depth 69mm
	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
	Width 17.5 mm

ABB System Pro M Compact S303 Miniature Circuit Breaker, 3-Pole, 32 A, Type D, 415 V ac AC, 125 V DC, 25 kA Breaking

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