
Top-rated products in the Residual-current device category
Here's a ranking of the top rated products in this category. To give you a quick overview, we've also added some key information about the products.
1. Steffen FI adapter
With the versatile FI plug (available optionally) and the mobile FI adapter, you are safely protected. These residual current devices detect alternating and pulsating direct currents and compare the incoming and outgoing currents. If there is a deviation of more than 30 mA, the supply line is disconnected from the network within milliseconds. The FI devices prevent life-threatening electric shocks that can occur due to faults in wiring and equipment. They are ideal for use with electric garden tools, Christmas lighting, workshop tasks, and more. High cold tolerance down to -25 °C, with undervoltage release.

2. Brennenstuhl Personal protection FI connector
The effective protection against electrical accidents disconnects the active conductors from the mains at lightning speed as soon as differential currents occur. The personal protection plug is suitable for fixed installation and as permanent additional equipment for frequently used electrical appliances. It is also suitable for outdoor use and features bipolar shutdown.
For function control, occasionally press the test button and perform a function check. Switch on the personal protection plug again after a power interruption.
Rated voltage: 230V
Mains frequency: 50Hz
IAN: 30mA
Trip time max.: 30ms
Power input: max. 2300W
Rated current: 10A
Max. permissible short-circuit current: 500A
Ambient temperature: -25°C to +40°C
Protection class: I
Protection class: IP54.

3. Hager FI-LS 1P+N
The FI-LS 1P+N from Hager is a highly advanced residual current circuit breaker that offers both safety and reliability in electrical installations. With a tripping characteristic of type C and a rated current of 13 A, this switch is ideal for protecting electrical lines and devices from overload and short circuits. The switch is designed for mounting on DIN rails and features a fault position indicator that allows for easy identification of faults. The FI-LS 1P+N provides a residual current monitoring of 30 mA, making it an excellent choice for applications where the protection of people and devices is of utmost importance. Its compact design and the ability to position the neutral conductor on the right facilitate installation and integration into existing systems. This switch is an essential component for modern electrical installations that require the highest safety standards.
- Residual current monitoring of 30 mA for enhanced personal protection
- Tripping characteristic type C for reliable overload protection
- Compact design for easy mounting on DIN rails
- Fault position indicator for quick identification of disturbances
- Switching neutral conductor for improved safety.

4. Hager FI-LS 4P 6kA C-13A 30mA A
The Hager FI/LS 4P 6kA C-13A 30mA A is a combined residual current circuit breaker that functions both as a residual current device (RCD) and a circuit breaker (MCB). With a tripping characteristic of Type C and a rated current of 13 A, this device provides reliable protection against overload and fault currents. The switch is designed for mounting on DIN rails and features four poles, making it ideal for use in complex electrical systems. The type of residual current is Type A, which means it operates reliably even with direct fault currents. With a nominal height of 68 mm and a compact design, the switch is easy to install and integrate. A test button and a fault current indicator through a blue display window enhance user-friendliness and safety.
- Combined residual current circuit breaker with 4 poles
- Tripping characteristic Type C for delayed response
- Fault current indication via blue display window
- Suitable for mounting on DIN35 rails
- Test button for easy functionality check.

5. Hager FI / LS 4P 6kA C-16A 30mA A
The residual current circuit breaker from Hager is a reliable device that functions both as a circuit breaker and as a residual current protection switch. With a rated voltage of 400 volts and a rated current of 16 amperes, this switch provides an effective solution for protecting electrical installations. The Type A residual current protection ensures safe monitoring of fault currents up to 30 milliamperes, while the tripping characteristic C allows for a delayed response to overloads. The switch is designed for mounting on DIN rails and features four poles, making it ideal for various applications. The integrated residual current indicator allows for easy checking of the device's status, while the fault location indication supports precise problem localization. With a robust design and an IP20 protection rating, this residual current circuit breaker is suitable for both private and commercial use.
- Type A residual current protection for enhanced safety
- Integrated residual current indicator for easy checking
- Suitable for mounting on DIN rails
- Delayed tripping characteristic (Type C) for overload protection
- Fault location indication for precise problem localization.

6. Hager MCN013
The Hager MCN013 circuit breaker is a reliable and safe device designed for use in electrical installations. With a rated current of 13 A and a rated breaking capacity of 6 kA, this single-pole switch provides effective protection against overload and short circuits. The switch is suitable for mounting on a DIN rail and features a robust design that ensures a high impulse voltage resistance of up to 4000 V. The connection method is via screw technology, allowing for easy and secure installation. The Hager MCN013 is equipped with a type C tripping characteristic, making it suitable for applications with higher inrush currents. This circuit breaker is an ideal choice for residential and commercial installations to ensure the safety of electrical systems.
- Single-pole circuit breaker with 13 A rated current
- Rated breaking capacity of 6 kA for reliable protection
- Impulse voltage resistance of 4000 V
- Easy mounting on DIN35 rail
- Type C tripping characteristic for higher inrush currents.

7. Hager FI/LS switch
Residual current circuit breaker according to DIN EN 61009-1 (VDE 0664-20) with QuickConnect terminal, up to 20 A at the feeder and up to 63 A at the feeder, blue test button and residual current indication. Simple individual removal from the phase busbar system. Suitable for retrofitting of additional equipment. Labeling option directly on the device.

8. Hager CDA440D
Hager RCD CDA440D
Manufacturer: Hager
Designation: 4-pole RCD 40A/30mA, 6kA
Type: CDA440D
Number of poles: 4
Rated voltage: 400 V
Rated current: 40 A
Rated residual current: 0.03 A
Rated insulation voltage Ui: 500 V
Rated impulse voltage withstand Uimp: 4 kV
Power loss: 6.5 W
Mounting type: DIN rail
Residual current type: A
Selective type: no
Time-delayed type: no
Short-circuit strength (Icw): 6 kA
Surge current strength: 0.25 kA
Voltage type: AC
With locking device: yes
Frequency: 50 Hz
Additional devices possible: yes
Protection class (IP): IP20
Width in division units: 4
Installation depth: 70 mm
Ambient temperature during operation: -25..40 °C
Degree of pollution: 2
Connectable conductor cross-section multi-stranded: 1..16 mm²
Connectable conductor cross-section single-stranded: 1..25 mm²
RAL number (similar): 7005
Explosion-proof: no
Hager RCD CDA440D: additional details
4-pole residual current circuit breaker 6kA 40A 30mA Type A. Residual current circuit breaker (RCD) according to DIN EN 61008-1 (VDE 0664-10), DIN EN 61008-2-1 (VDE 0664-11) with Bi-Connect terminals at the bottom, external blue test button, and residual current indicator. Suitable for retrofitting additional devices. Connection terminals with wire insertion protection, labeling option directly on the device.

9. Hager Circuit breaker
The Hager circuit breaker is a reliable and safe device designed for flush mounting. With a frequency of 50/60 Hz and a rated voltage of 400 volts, this protective switch offers high surge resistance of up to 4000 volts. It is equipped with four poles and has a tripping characteristic of type C, making it ideal for applications with medium inrush currents. The rated current is 16 amperes, and the residual current protection is designed for 30 mA. The QuickConnect terminal allows for easy and quick installation, while the neutral conductor position on the right provides flexible wiring options. This circuit breaker is an excellent choice for use in residential and commercial buildings to protect electrical systems from overload and short circuits.
- 4-pole with 6kA short-circuit strength
- Tripping characteristic type C for medium inrush currents
- QuickConnect terminal for easy installation
- Suitable for flush mounting
- Surge voltage resistance of 4000 V.

10. Siemens Residual current circuit breaker
Siemens FI/LS compact 1P+N 6kA Type A 30mA B16. The RCD (Residual Current Device) is the protective device for touch protection. Siemens' patented residual current protective devices are an essential component of the SENTRON protection systems for electrical installations, as they prevent life-threatening electrical accidents by safely disconnecting dangerous fault currents to earth. Electrically ignited fires can be prevented right from their inception. Whether through direct contact with live parts or indirect contact with operational equipment, protection is primarily achieved through rapid disconnection. The Siemens FI circuit breakers 5SV are characterized by: 1. Comprehensive protection for people and property against electric shock. 2. Whether sinusoidal alternating fault currents or smooth direct fault currents – Siemens offers the right type and special versions for all requirements. 3. Reliable safety during installation thanks to standard included gripping and touch protection. 4. Tool-free removal from the DIN rail or from the busbar system through convenient slider manual operation. 5. The data matrix code on the front of the device provides quick and easy access to all information regarding the RCD. 6. Ensure compliance with standards: The residual current protective devices meet the requirements of DIN VDE regulations. 7. Optimal technology for your safety – only from Siemens. Siemens offers a comprehensive portfolio of protection, switching, measuring, and monitoring devices, as well as distribution systems for safe and efficient electrical infrastructure in buildings and industry.
