
Too Many Residual-current Devices? Here's How to Choose the Right One
Discover the key factors to consider when selecting the perfect residual-current device for your needs.
Last updated 2 days ago. Automatically generated content.


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Circuit breaker type refers to the specific design and functionality of a circuit breaker, which is crucial in safeguarding electrical systems by interrupting fault currents. Choosing the right type ensures effective protection against electrical hazards and guarantees system reliability.
Popular options (you can select more than one)
Miniature circuit breaker
Typical price
28,– to 140,–Compact design suitable for residential and light commercial applications.
Provides efficient protection against overloads and short circuits, ensuring safety in everyday electrical systems.
Bestseller
Circuit breaker
Typical price
510,– to 2100,–Standard design used in a wide range of applications from residential to industrial settings.
Offers reliable interruption of fault currents, protecting electrical systems from damage and ensuring operational continuity.
Bestseller
Fault current circuit breaker
Typical price
49,– to 220,–Specialized design to detect and interrupt fault currents, particularly earth faults.
Ideal for environments where ground fault protection is crucial, enhancing safety and preventing electrical fires.
Bestseller

Doepke GmbH RCD switch DFS4 040-4/0.03A 500
Miniature circuit-breaker/residual current circuit-breaker combination
Typical price
78,– to 180,–Combines the features of a miniature circuit breaker and residual current device in one unit.
Delivers comprehensive protection by addressing both overloads and earth faults, suitable for complex systems requiring robust safety measures.
Bestseller

Siemens Earth leakage circuit breaker C16 1p+N 0.03A A 5SU1326-7FP16
Tripping characteristic defines how quickly a Residual-current device reacts to electrical faults, such as overcurrents or short circuits. Choosing the right tripping characteristic is crucial for ensuring safety and compatibility with electrical systems, impacting both protection level and operational efficiency.
Popular options (you can select more than one)
C
Specifically designed to handle moderate inrush currents from appliances like air conditioners or motors.
Ideal for environments with equipment that causes brief power surges, providing reliable protection without unnecessary trips.
Bestseller
B
Suitable for residential or light commercial use where low current fluctuations are expected.
Offers quick response to minor overcurrents, ensuring safety in homes and offices with sensitive electronics.
Bestseller
D
Engineered for high inrush current loads, such as transformers and industrial equipment.
Best suited for industrial settings, preventing nuisance tripping while safeguarding heavy-duty machinery.
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Rated voltage refers to the maximum voltage a residual-current device can handle safely, ensuring proper functionality and safety. Choosing the correct rated voltage is crucial for protecting electrical circuits and preventing overloads, enhancing overall reliability and safety.
Popular options
Up to 250 V
Typical price
52,– to 160,–Suitable for standard residential applications, accommodating typical household voltage levels.
Ideal for homes and small offices, providing reliable protection for everyday electrical devices.
Bestseller
251 - 500 V
Typical price
64,– to 170,–Designed for commercial and industrial environments where higher voltage levels are common.
Offers enhanced protection for larger electrical systems, ensuring safety and performance in demanding settings.
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501 - 750 V
Typical price
560,– to 2100,–Engineered for specialized industrial applications requiring high voltage capacities.
Ensures robust protection and efficiency for heavy-duty electrical equipment, supporting complex operations.
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Residual current is the amount of electrical current that leaks from the circuit, measured in amperes. It is crucial in choosing a Residual-current device because it determines the level of protection against electric shock and fire hazards.
Popular options
0.01 - 0.03 A
Typical price
47,– to 190,–Designed for high sensitivity, detecting very low levels of leakage current.
Ideal for environments where maximum safety is needed, such as residential areas or medical facilities.
Bestseller

Doepke GmbH RCD switch DFS4 040-4/0.03A 500
0.04 - 0.1 A
Typical price
28,– to 250,–Offers moderate sensitivity to detect leakage currents that may pose a risk.
Suitable for general use in commercial settings, ensuring reliable safety without unnecessary tripping.
Bestseller

Doepke GmbH Residual current circuit breaker all-current sensitive DFS4 040-4/0,10-B SK 4-pole 40/0,1A
0.11 - 0.3 A
Typical price
89,– to 430,–Provides lower sensitivity, handling higher leakage currents without tripping.
Recommended for industrial applications where equipment might produce more leakage, ensuring operational efficiency.
Bestseller
The brand factor in purchasing a residual-current device is crucial as it reflects the reliability, safety standards, and technology integration of the product. Trusted brands like Hager, Schneider Electric, and Siemens provide assurance of quality and performance, each offering distinct features that cater to various customer needs.
Popular brands (you can select more than one)
Hager
Recognized for innovative safety features in electrical protection devices.
Ideal for residential and commercial installations with a focus on user-friendly design.
Bestseller
Schneider Electric
Known for cutting-edge energy management and automation solutions.
Offers robust and efficient devices suitable for industrial applications, ensuring safety and reliability.
Bestseller
Siemens
Renowned for high-quality engineering and precise control technologies.
Excellent for those seeking comprehensive protection systems with advanced diagnostic capabilities.
Bestseller

Siemens Earth leakage circuit breaker C16 1p+N 0.03A A 5SU1326-7FP16
ABB
Specializes in smart home and industrial automation systems.
Provides energy-efficient solutions that optimize performance and reduce downtime in various settings.
Bestseller
Eaton
Famous for sustainable and innovative electrical solutions.
Perfect for eco-conscious consumers looking for reliable and energy-saving devices.
Bestseller






