Too Many Residual-Current Devices? Here's How to Choose the Right One
Discover the key aspects to consider when selecting the best residual-current device for your needs.
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Circuit breaker type refers to the design and functionality of the device used to protect electrical circuits from damage caused by overload or short circuits. Choosing the right type is crucial for ensuring safety, reliability, and efficiency in electrical systems, catering to specific needs and installation environments.
Popular options (you can select more than one)
Miniature circuit breaker
Typical price
45.– to 140.–Compact design suitable for residential and light commercial applications.
Offers reliable protection against overloads and short circuits, ensuring safety in smaller electrical systems.
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Circuit breaker
Typical price
260.– to 2100.–General-purpose device used in various applications for circuit protection.
Provides versatile and robust protection, making it ideal for both residential and industrial settings.
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Fault current circuit breaker
Typical price
85.– to 400.–Designed to detect and interrupt fault currents, maintaining system integrity.
Essential for preventing electrical fires and equipment damage, particularly in complex and sensitive installations.
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The number of poles in a residual-current device determines how many electrical circuits it can protect. Choosing the right number is crucial for ensuring comprehensive electrical safety and compatibility with your system setup.
Popular options
1 - 1
Typical price
27.– to 76.–Designed for single-phase systems, offering basic protection for individual circuits.
Ideal for simple applications where only one circuit needs safeguarding, ensuring cost-effectiveness and efficiency.
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2 - 2
Typical price
61.– to 160.–Suitable for two-phase systems, providing enhanced safety for dual circuits.
Perfect for setups where multiple circuits require protection, increasing overall safety and reliability.
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3 - 4
Typical price
130.– to 940.–Compatible with three-phase systems, offering comprehensive protection for up to four circuits.
Recommended for complex installations, ensuring robust safety and performance across multiple circuits.
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Tripping characteristic refers to the response of a residual-current device (RCD) to varying levels of electrical current, which dictates how quickly it will disconnect the circuit in case of a fault. Understanding this aspect is crucial for ensuring the right level of protection for electrical systems, depending on the type of load and potential risk.
Popular options (you can select more than one)
B
Designed for rapid disconnection at low overcurrent levels, typically 3-5 times the rated current.
Ideal for protecting sensitive electronic equipment and residential circuits, ensuring quick response to faults.
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C
Provides a moderate tripping response, disconnecting at 5-10 times the rated current.
Suitable for general-purpose applications, balancing speed and load tolerance, ideal for commercial and industrial settings.
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D
Offers a delayed disconnection response, activating at 10-20 times the rated current.
Best for circuits with high inrush currents, such as motors and transformers, minimizing nuisance tripping while maintaining protection.
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Mounting style refers to how a residual-current device is installed, impacting ease of installation and compatibility with existing electrical setups. Choosing the right mounting style ensures secure placement and efficient functionality within your electrical system.
Popular options (you can select more than one)
Top-hat rail
Typical price
54.– to 240.–Designed to be mounted on standard DIN rails, providing flexibility and convenience in electrical panels.
Ideal for modular systems, allowing easy installation and replacement without the need for special tools.
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Built-in
Typical price
110.– to 1800.–Integrated directly into the electrical system, offering a seamless appearance and space-saving solution.
Best for permanent installations where aesthetics and compactness are important, ensuring a neat and organized setup.
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Snap-on mounting
Typical price
68.– to 190.–Features a quick attachment mechanism, allowing fast and straightforward installation without additional hardware.
Perfect for temporary setups or frequent adjustments, providing ease of use and adaptability in changing environments.
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Choosing a reputable brand for a residual-current device ensures reliability and safety in electrical systems. Brands like Siemens and Schneider Electric are known for their advanced technology and consistent performance, providing peace of mind in various applications.
Popular brands (you can select more than one)
Steffen
4.6143
Known for durable and easy-to-install devices suitable for residential use.
Great for users seeking straightforward, cost-effective solutions.
Bestseller
Hager
4.7107
Recognized for versatile products that integrate well with smart home systems.
Ideal for those looking for modern features and compatibility.
Bestseller
Brennenstuhl
4.729
Offers affordable devices with basic functionalities for general purposes.
Suitable for budget-conscious customers needing reliable household protection.
Bestseller
Siemens
5.022
Renowned for high-quality, technologically advanced safety devices.
Perfect for industrial and commercial applications demanding robust performance.
Bestseller
Residual-current device
−26%
1 / 3 on saleonly 1 of 3 remaining on sale
CHF264.– was CHF356.–
Siemens RCD circuit breaker
Schneider Electric
4.621
Praised for innovative energy management solutions and cutting-edge technology.
Excellent choice for users prioritizing efficiency and sustainability in electrical systems.
Bestseller