
Too Many Residual-Current Devices? Here's How to Choose the Right One
Discover the top considerations to keep in mind when selecting the best residual-current device for your needs.
Last updated 6 days ago. Automatically generated content.


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The type of circuit breaker determines how electrical circuits are protected from overloads and faults, ensuring safety and reliability in electrical systems. Selecting the appropriate circuit breaker type is crucial for safeguarding equipment and preventing electrical hazards.
Popular options (you can select more than one)
Circuit breaker
Typical price
340,– to 2200,–General-purpose device used to interrupt electrical flow in case of overloads or short circuits.
Ideal for basic protection in residential and commercial electrical systems.
Bestseller
Miniature circuit breaker
Typical price
61,– to 190,–Compact size designed for use in small-scale electrical applications.
Provides efficient protection and is easy to install in limited spaces.
Bestseller
Residual current protection block
Typical price
110,– to 300,–Specialized device that detects and interrupts leakage currents.
Enhances safety by preventing electric shocks and fire hazards in sensitive environments.
Bestseller
Fault current circuit breaker
Typical price
140,– to 520,–Designed to detect and interrupt fault currents, such as earth faults.
Essential for maintaining system integrity and preventing damage in complex electrical networks.
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Tripping characteristic defines the response of a residual-current device to overcurrent conditions, influencing its suitability for different electrical loads and environments. Choosing the correct tripping characteristic ensures the device provides optimal protection and reduces the risk of nuisance tripping or equipment damage.
Popular options (you can select more than one)
B
Typical price
57,– to 220,–Designed to trip quickly at lower overcurrent levels, typically between 3 to 5 times the rated current.
Ideal for residential or light commercial installations where quick response is necessary to protect sensitive circuits.
Bestseller

Hager Helicopter 3 + N AC Switch B 10A 0.03A Type A 6kA Type RCBO (ADZ310D)
C
Typical price
68,– to 210,–Trips at overcurrent levels of 5 to 10 times the rated current, offering a moderate response.
Suitable for mixed residential and commercial applications, balancing protection and flexibility for general-purpose circuits.
Bestseller
D
Typical price
76,– to 200,–Responds at higher overcurrent levels, around 10 to 20 times the rated current, allowing for higher inrush currents.
Best for industrial settings with equipment that has high start-up currents, such as motors and transformers.
Bestseller
A
Typical price
94,– to 300,–Designed for alternating currents and pulsating direct currents, offering specialized protection.
Recommended for environments with electronic devices where pulsating DC sensitivity is required for safety.
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The number of poles in a residual-current device determines the number of circuits it can protect, essential for ensuring electrical safety. This choice impacts the device's compatibility with different electrical systems and its ability to handle various loads efficiently.
Popular options
1 - 1
Typical price
35,– to 85,–Designed for single-phase circuits, offering basic protection for simple electrical setups.
Ideal for residential use where only one circuit needs protection, ensuring safety at a lower cost.
Bestseller

Schneider Electric Acti9 iC60H MCB 1 Pole 16A Curve B
2 - 2
Typical price
80,– to 200,–Suitable for single-phase circuits with two wires, providing enhanced coverage.
Recommended for homes with multiple circuits, offering comprehensive protection for increased safety.
Bestseller
3 - 3
Typical price
150,– to 1300,–Engineered for three-phase systems, accommodating more extensive electrical networks.
Perfect for industrial or commercial settings, delivering robust protection across multiple circuits.
Bestseller
4 - 4
Typical price
220,– to 1600,–Designed for three-phase systems with a neutral wire, providing complete system protection.
Best for complex installations requiring high reliability and safety, ensuring uninterrupted performance.
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Rated current refers to the maximum current a residual-current device can handle without tripping. It's important for ensuring the device can safely manage the electrical load of your circuit or appliances, preventing unnecessary power interruptions.
Popular options (you can select more than one)
10 A
Typical price
57,– to 170,–Suitable for small circuits with minimal power requirements, such as lighting and basic outlets.
Ideal for residential use in areas with low power demand, ensuring efficient circuit protection.
Bestseller

Hager Helicopter 3 + N AC Switch B 10A 0.03A Type A 6kA Type RCBO (ADZ310D)
16 A
Typical price
61,– to 210,–Commonly used in residential settings for circuits with moderate power needs, like kitchen outlets.
Offers a balance between safety and functionality, preventing overloads in typical household applications.
Bestseller
32 A
Typical price
76,– to 260,–Designed for circuits with higher power demands, such as air conditioners or electric heaters.
Ensures reliable protection for heavy-duty appliances, minimizing the risk of tripping due to overloads.
Bestseller
63 A
Typical price
160,– to 570,–Handles large current loads, suitable for industrial use or large residential systems.
Provides robust protection for complex electrical systems, ensuring continuous operation without unnecessary disruptions.
Bestseller

Schneider Electric Acti9 iMX tripping unit 100-415VAC
Choosing the right brand of residual-current device (RCD) is crucial for ensuring safety and reliability in electrical systems. Brands like Siemens and Schneider Electric are known for their advanced technology and robust performance, while ABB is recognized for its energy-efficient solutions.
Popular brands (you can select more than one)
Hager
Recognized for high-quality electrical solutions with a focus on sustainability.
Suitable for a wide range of applications, offering reliable protection and compliance with international standards.
Bestseller

Hager Helicopter 3 + N AC Switch B 10A 0.03A Type A 6kA Type RCBO (ADZ310D)
Siemens
Known for cutting-edge technology and innovative safety features.
Offers robust and durable RCDs ideal for both residential and industrial use.
Bestseller
Schneider Electric
Specializes in advanced energy management and automation solutions.
Provides reliable and efficient RCDs, ensuring optimal performance in various environments.
Bestseller

Schneider Electric Acti9 iMX tripping unit 100-415VAC
ABB
Renowned for energy-efficient electrical products and solutions.
Ideal for eco-conscious consumers seeking reliable and sustainable protection.
Bestseller
Doepke
Focuses on comprehensive protection and user-friendly designs.
Great for residential settings, offering easy installation and maintenance.
Bestseller