RS PRO RSK2 Series Residual Current Circuit Breaker, 40A, 4-Pole, 300 mA, Type AC, 500 A 400V

RS stock no.:: 755-727
Manufacturer:: RS PRO

RS PRO RSK2 Series Residual Current Circuit Breaker, 40A, 4-Pole, 300 mA, Type AC, 500 A 400V

Subtotal (1 unit)*

R 1 461,54

(exc. VAT)

R 1 680,77

(inc. VAT)

FREE delivery for orders over R 1,500.00

In Stock

Plus 31 unit(s) shipping from 09 November 2026

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Units	Per unit
1 +	R 1,461.54

*price indicative

RS stock no.:: 755-727
Manufacturer:: RS PRO

Specification

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	40A
	Number of Poles	4
	Series	RSK2
	Range	RSK
	Trip Sensitivity	300mA
	Tripping Characteristics	Type AC
	Mount Type	DIN Rail
	Terminal Type	Screw Clamp
	Standards/Approvals	EMC, IEC/EN 61008-1, ISO/IEC 17025, LVD, REACH, RoHS
	Width	81mm
	Height	72mm
	Depth	73mm
	Breaking Capacity	500A
	Reset Actuator Type	Knob
	Rated AC Voltage	400V
	Tripping Mechanism	Residual Current
	Application	Fire Protection
	Earth Leakage Protection Type	AC
	Break Time	Instantaneous

	Select all
	Brand RS PRO
	Product Type Residual Current Circuit Breaker
	Current Rating 40A
	Number of Poles 4
	Series RSK2
	Range RSK
	Trip Sensitivity 300mA
	Tripping Characteristics Type AC
	Mount Type DIN Rail
	Terminal Type Screw Clamp
	Standards/Approvals EMC, IEC/EN 61008-1, ISO/IEC 17025, LVD, REACH, RoHS
	Width 81mm
	Height 72mm
	Depth 73mm
	Breaking Capacity 500A
	Reset Actuator Type Knob
	Rated AC Voltage 400V
	Tripping Mechanism Residual Current
	Application Fire Protection
	Earth Leakage Protection Type AC
	Break Time Instantaneous

RS PRO Datasheet

COO (Country of Origin):: TR

RS PRO 40 A Residual Current Circuit Breaker

The RS PRO Residual Current Circuit Breaker (RCCB) is designed to provide essential protection against electrical faults by detecting and interrupting residual currents. With a current rating of 40 A and a breaking capacity of 500 A, this RCCB is Ideal for safeguarding electrical circuits in various applications, ensuring safety and compliance with industry standards.

Features and Benefits

Instantaneous Break Time: Provides Rapid disconnection to enhance safety.
AC Earth Leakage Protection: Detects and interrupts AC residual currents to prevent electrical hazards.
DIN Rail Mount: Simplifies installation and integration into existing systems.
4-Pole Design: Offers comprehensive protection for multi-phase circuits.
Knob Reset Actuator: Allows for easy manual resetting after a fault condition.
Screw Clamp Terminals: Ensures secure and reliable electrical connections.
300 mA Trip Sensitivity: Provides effective protection against earth faults.
Type AC Tripping Characteristics: Suitable for general AC applications.

Applications

Fire Protection

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.