
Too Many Residual-Current Devices? Here's How to Choose the Right One
Discover the top five factors you need to consider when selecting the perfect residual-current device for your needs.
Last updated 1 week ago. Automatically generated content.


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The type of circuit breaker determines how electrical circuits are protected from overloads, short circuits, and ground faults. Choosing the right type ensures safety and efficiency in electrical installations, minimizing the risk of electrical fires and equipment damage.
Popular options (you can select more than one)
Miniature circuit breaker
Typical price
57,– to 190,–Designed to protect low voltage circuits from overload and short circuits.
Ideal for residential and light commercial use, providing reliable protection and easy reset after tripping.
Bestseller
Residual current protection block
Typical price
130,– to 340,–Detects and interrupts leakage currents to prevent electrical shock.
Enhances safety in environments where contact with water or moisture is frequent, such as bathrooms or kitchens.
Bestseller
FI-LS fire protection switch
Typical price
180,– to 260,–Combines overcurrent protection with residual current detection to prevent fires.
Recommended for areas with high fire risk, offering comprehensive protection against electrical faults and ground faults.
Bestseller
Auxiliary switch
Typical price
51,– to 120,–Works alongside main circuit breakers to provide additional control or signaling functionality.
Useful in complex electrical systems for monitoring and managing circuit status, enhancing overall system management.
Bestseller

ABB Auxiliary switch block CAL4-11
The tripping characteristic of a residual-current device defines when and how the device will trip during an electrical fault, ensuring safety and preventing damage. Choosing the correct tripping characteristic is crucial for protecting electrical circuits and devices from overloads and short circuits, tailored to specific applications and load types.
Popular options (you can select more than one)
C
Typical price
64,– to 210,–Designed for general purpose use, particularly with moderate electrical surges.
Suitable for most residential and commercial applications, offering balanced protection against overloads.
Bestseller
B
Typical price
51,– to 230,–Ideal for circuits with low inrush currents, ensuring quick response to minor surges.
Recommended for sensitive electronic equipment, providing fast protection against short circuits.
Bestseller

Hager Helicopter 3 + N AC Switch B 10A 0.03A Type A 6kA Type RCBO (ADZ310D)
D
Typical price
89,– to 210,–Handles higher inrush currents, perfect for installations with large motors or transformers.
Best for industrial settings where high initial current loads are common, preventing nuisance tripping.
Bestseller
A
Typical price
100,– to 300,–Offers rapid tripping for very low overload conditions.
Optimal for specialized equipment requiring immediate response to small electrical anomalies.
Bestseller
The number of poles in a residual-current device determines its configuration and capability to protect electrical circuits from leakage currents. Selecting the appropriate number of poles is crucial for ensuring comprehensive safety and compatibility with your electrical system.
Popular options
1 - 1
Typical price
31,– to 89,–Single pole residual-current devices protect a single phase, often used in simple circuits.
Ideal for basic applications, providing essential protection without complex installation needs.
Bestseller
2 - 2
Typical price
80,– to 210,–Two-pole devices cover both live and neutral wires, offering enhanced protection.
Recommended for residential circuits, ensuring safety against leakage currents in dual wire systems.
Bestseller
3 - 4
Typical price
190,– to 1600,–Three to four-pole devices are designed for three-phase systems, accommodating more complex setups.
Best suited for industrial or commercial environments, ensuring comprehensive protection across multiple phases.
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Rated current refers to the maximum current a residual-current device can handle safely without tripping. Choosing the correct rated current is crucial to ensure adequate protection and prevent power interruptions in your electrical system.
Popular options (you can select more than one)
40 A
Typical price
120,– to 750,–Suitable for smaller residential or commercial circuits with moderate power requirements.
Ideal for environments where devices with lower power consumption are used, preventing unnecessary tripping.
Bestseller
63 A
Typical price
150,– to 610,–Designed for circuits with higher power demands, such as those found in larger homes or offices.
Provides robust protection for environments with multiple high-power devices, ensuring reliable operation.
Bestseller

Schneider Electric Acti9 iMX tripping unit 100-415VAC
100 A
Typical price
490,– to 1800,–Supports high-demand circuits, typically found in industrial settings or very large buildings.
Recommended for heavy-duty applications, offering maximum safety and continuity for high-load electric systems.
Bestseller
32 A
Typical price
72,– to 270,–Best suited for light residential or small office setups with minimal power needs.
Offers efficient protection for circuits with limited devices, ensuring safety without frequent interruptions.
Bestseller
The brand factor is crucial in choosing a residual-current device as it reflects the manufacturer's reputation for reliability and safety. Brands like Siemens, Schneider Electric, and ABB are renowned for their robust engineering and advanced technology, ensuring efficient protection against electrical faults.
Popular brands (you can select more than one)
Hager
Known for innovative solutions and energy efficiency.
Offers user-friendly designs with easy installation features.
Bestseller

Hager Helicopter 3 + N AC Switch B 10A 0.03A Type A 6kA Type RCBO (ADZ310D)
Siemens
Recognized for its high-quality engineering and reliability.
Provides advanced features ensuring safety and long-term performance.
Bestseller
Schneider Electric
Famous for cutting-edge technology and sustainable products.
Offers versatile devices adaptable to various residential and commercial needs.
Bestseller

Schneider Electric Acti9 iMX tripping unit 100-415VAC
ABB
Known for robust construction and advanced safety features.
Ideal for industrial applications requiring high durability and precision.
Bestseller
Doepke
Specializes in sensitive and precise protection devices.
Perfect for environments needing quick and accurate fault detection.
Bestseller






