RS PRO RSK2 Series Residual Current Circuit Breaker, 63A, 4-Pole, 300 mA, Type AC, 630 A 400V

RS Stock No.:: 755-729
Manufacturer:: RS PRO

RS PRO RSK2 Series Residual Current Circuit Breaker, 63A, 4-Pole, 300 mA, Type AC, 630 A 400V

Subtotal (1 unit)*

€108.99

(exc. VAT)

€134.06

(inc. VAT)

In Stock

Plus 32 unit(s) shipping from 02 November 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	€108.99

*price indicative

RS Stock No.:: 755-729
Manufacturer:: RS PRO

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	RS PRO
	Product Type	Residual Current Circuit Breaker
	Current Rating	63A
	Number of Poles	4
	Series	RSK2
	Range	RSK
	Trip Sensitivity	300mA
	Mount Type	DIN Rail
	Tripping Characteristics	Type AC
	Standards/Approvals	EMC, IEC/EN 61008-1, ISO/IEC 17025, LVD, REACH, RoHS
	Terminal Type	Screw Clamp
	Depth	73mm
	Width	81mm
	Height	72mm
	Breaking Capacity	630A
	Break Time	Instantaneous
	Rated AC Voltage	400V
	Reset Actuator Type	Knob
	Tripping Mechanism	Residual Current
	Earth Leakage Protection Type	AC
	Application	Fire Protection

	Select all
	Brand RS PRO
	Product Type Residual Current Circuit Breaker
	Current Rating 63A
	Number of Poles 4
	Series RSK2
	Range RSK
	Trip Sensitivity 300mA
	Mount Type DIN Rail
	Tripping Characteristics Type AC
	Standards/Approvals EMC, IEC/EN 61008-1, ISO/IEC 17025, LVD, REACH, RoHS
	Terminal Type Screw Clamp
	Depth 73mm
	Width 81mm
	Height 72mm
	Breaking Capacity 630A
	Break Time Instantaneous
	Rated AC Voltage 400V
	Reset Actuator Type Knob
	Tripping Mechanism Residual Current
	Earth Leakage Protection Type AC
	Application Fire Protection

RS PRO Datasheet

COO (Country of Origin):: TR

RS PRO 63 A Residual Current Circuit Breaker 400 V

The RS PRO Residual Current Circuit Breaker is designed to provide essential protection against electrical faults by detecting and interrupting residual currents. With a current rating of 63 A and a breaking capacity of 630 A, this device is Ideal for safeguarding electrical circuits in various applications. Its Compact design allows for easy installation on DIN rails, making it suitable for both industrial and commercial environments.

Features and Benefits

Current Rating: Supports up to 63 A for robust electrical protection.
Breaking Capacity: Handles up to 630 A, ensuring reliable fault interruption.
Tripping Sensitivity: 300 mA sensitivity for effective residual current detection.
Mount Type: DIN Rail mounting for straightforward installation.
Number of Poles: 4-pole configuration for comprehensive circuit coverage.
Reset Actuator Type: Knob for easy manual resetting.
Earth Leakage Protection Type: AC type for standard applications.
Terminal Type: Screw clamp terminals for secure and reliable connections.

Applications

Fire Protection
Industrial Electrical Systems
Commercial Building Installations

Additional Information

Complies with EMC, IEC/EN 61008-1, ISO/IEC 17025, LVD, REACH, and RoHS standards.

Why RS PRO?

RS PRO is the own brand of RS, offering professional quality products and solutions across all industries and technologies. Our product range is rigorously tested, inspected, and audited against demanding international standards to provide you with industrial-grade quality, at the right price. Making RS PRO your smart choice.