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Residual current circuit breaker (RCCB)

Residual Current Circuit Breakers (RCCBs), also known as Residual Current Devices (RCDs) or Earth Leakage Circuit Breakers (ELCBs) in various regions, are essential protective devices designed to detect and interrupt electrical circuits when leakage current to earth exceeds a predetermined value. These devices are characterized by their rated re...

Residual Current Circuit Breakers (RCCBs), also known as Residual Current Devices (RCDs) or Earth Leakage Circuit Breakers (ELCBs) in various regions, are essential protective devices designed to detect and interrupt electrical circuits when leakage current to earth exceeds a predetermined value. These devices are characterized by their rated residual operating current (IΔn), typically ranging from 10 mA to 300 mA, and rated current (In) from 16 A to 125 A, with pole configurations including 2P, 3P, and 4P. They operate at standard voltages of 230/400 V AC, 50/60 Hz, and are available in types AC, A, F, B, and B+ to handle different fault current waveforms. RCCBs are typically mounted on DIN rails within distribution boards and are often combined with overcurrent protection in RCBOs (Residual Current Circuit Breakers with Overcurrent Protection). Key technical parameters include short-circuit withstand capacity (Icn) up to 10 kA, and compliance with standards such as IEC 61008 and IEC 61009.

RCCBs are primarily installed in electrical distribution boards for residential, commercial, and industrial applications. They are critical in environments requiring enhanced protection against electric shock, such as bathrooms, kitchens, outdoor installations, and construction sites. In industrial settings, they protect machinery and personnel in wet or hazardous areas, including food processing plants, chemical facilities, and water treatment stations. They are also used in renewable energy systems, such as photovoltaic installations, to ensure safe isolation and fault detection. Their integration into smart grids and building management systems allows for remote monitoring and automated disconnection, enhancing overall system reliability and safety.

Our category includes a wide range of RCCBs, such as the standard 2P and 4P models with rated currents from 25 A to 63 A and residual currents of 30 mA and 300 mA. Key subcategories include Type A RCCBs for pulsating DC faults, Type B for smooth DC and universal current faults, and Type F for high-frequency applications. Article codes typically follow a pattern like "RCCB-2P-40A-30mA" or "RCCB-4P-63A-300mA", with variations for type (e.g., "RCCB-A-2P-25A-30mA"). We also offer RCBOs combining RCCB and MCB functions, with codes like "RCBO-1P+N-32A-30mA-C". These products are sourced from leading manufacturers and are available in modular designs for easy installation.

Partnering with Electric Automation Network ensures access to genuine, certified RCCBs with real-time pricing and stock availability. Our engineering team provides personalized technical support for selecting the correct type and rating for your application, including coordination with upstream protection devices. We offer express worldwide shipping, ensuring critical components arrive on time. Each product includes detailed technical documentation, wiring diagrams, and compliance certificates. Our multilingual portal simplifies procurement across global projects, reducing downtime and enhancing operational safety.

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Manufacturer Code Reference Catalog Number Description Delivery Price

5SV3612-6KL

5SV3612-6KL

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Residual current operated circuit breaker, 2-pole, type A, In: 25 A, 300 mA, Un AC: 230 V, N left

Differential switch 5SV, 70mm, class A, 2 poles, 25A, 300mA (neutral left)

 		3 View Availability View Price

5SM2647-6

5SM2647-6

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RC unit for 5SP4, 4-pole, type A, In: 100 A, 300 mA, Un AC: 400 V

Differential block p/aut. 5SP4 access. curves B and C, class A, 5mód., 4 poles, 80/100A, 300mA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM2645-6

5SM2645-6

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RC unit for 5SY, 4-pole, type A, In: 63 A, 300 mA, Un AC: 400 V

Differential block p/aut. 5SJ/5SY access. curves B and C, class A, 3mód., 4 poles, 6/63A, 300mA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM2626-6

5SM2626-6

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RC unit for 5SL4, 2-pole, type A, In: 63 A, 300 mA, Un AC: 230 V

Differential block p/aut 5SL4 class A 0.3-63A 2P 300MA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM2626-0

5SM2626-0

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RC unit for 5SL4, 2-pole, type AC, In: 63 A, 300 mA, Un AC: 230 V

Differential block p/aut 5SL4 class AC 0.3-63A 2P 300MA. Cancelations and returns limited. Consult conditions.

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5SM2626-8

5SM2626-8

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RC unit for 5SL4, 2-pole, type A, selective, In: 63 A, 300 mA, Un, AC: 230 V

Differential block p/aut 5SL4 class A 0.3-63A 2P 300MA SEL. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SV3444-8

5SV3444-8

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Residual current operated circuit breaker, 4-pole, type A, selective, In: 40 A, 100 mA, Un AC: 400 V

DIFFERENTIAL SWITCH TYPE A 40A 3+N POL. 100MA 400V 4MOD. SELECTIVE. Cancelations and returns limited. Consult conditions.

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5SM2323-0

5SM2323-0

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RC unit for 5SL4, 2-pole, type AC, In: 40 A, 30 mA, Un AC: 230 V

Differential block p/aut 5SL4 class AC 0.3-40A 2P 30MA. Cancelations and returns limited. Consult conditions.

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5SV4644-0

5SV4644-0

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Residual current operated circuit breaker, 4-pole, Type AC, In: 40 A, 300 mA, Un AC: 400 V

 		3 View Availability View Price

5SV3347-6KL

5SV3347-6KL

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Residual current operated circuit breaker, 4-pole, type A, In: 80 A, 30 mA, Un AC: 400 V, N left

 		3 View Availability View Price

5SM3745-0

5SM3745-0

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Residual current operated circuit breaker, 4-pole, type AC, In: 125 A, 500 mA, Un AC: 400 V

Differential switch, 70mm, class AC, 4 mode, 4 poles, 125A, 500mA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM3745-6

5SM3745-6

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Residual current operated circuit breaker, 4-pole, type A, In: 125 A, 500 mA, Un AC: 400 V

Differential switch, 70mm, class A, 4 mode, 4 poles, 125A, 500mA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM3745-8

5SM3745-8

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Residual current operated circuit breaker, 4-pole, type A, selective, In: 125 A, 500 mA, Un AC: 400 V

Differential switch, 70mm, class A, 4 mode, 4 poles, 125A, 500mA, selective (S). Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SV4447-0

5SV4447-0

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Residual current operated circuit breaker, 4-pole, Type AC, In: 80 A, 100 mA, Un AC: 400 V

 		3 View Availability View Price

5SM2645-0

5SM2645-0

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RC unit for 5SY, 4-pole, type AC, In: 63 A, 300 mA, Un AC: 400 V

Differential block p/aut. 5SJ/5SY access. B and C curves, CLASS AC, 3mod., 4 poles, 6/63A, 300mA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SV4617-0KL

5SV4617-0KL

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Residual current operated circuit breaker, 2-pole, Type AC, In: 80 A, 300 mA, Un AC: 230 V, N left

 		3 View Availability View Price

5SV3642-6KK12

5SV3642-6KK12

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Residual current operated circuit breaker, 4-pole, type A, In: 25 A, 300 mA, Un AC: 400 V, SIGRES (harsh ambient conditions)

DIFFERENTIAL SWITCH TYPE A 25A 3+N POL. 300MA 400V 4MOD. SIGRES. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SV3344-6

5SV3344-6

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Residual current operated circuit breaker, 4-pole, type A, In: 40 A, 30 mA, Un AC: 400 V

Differential switch 5SV, 70mm, class A, 4 poles, 40A, 30mA

 		3 View Availability View Price

5SV4417-0

5SV4417-0

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Residual current operated circuit breaker, 2-pole, Type AC, In: 80 A, 100 mA, Un AC: 230 V

 		3 View Availability View Price

5SV3647-6KK12

5SV3647-6KK12

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Residual current operated circuit breaker, 4-pole, type A, In: 80 A, 300 mA, Un AC: 400 V, SIGRES (harsh ambient conditions)

DIFFERENTIAL SWITCH TYPE A 80A 3+N POL. 300MA 400V 4MOD. SIGRES. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM2643-6

5SM2643-6

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RC unit for 5SL4, 4-pole, type A, In: 40 A, 300 mA, Un AC: 400 V

Differential block p/aut 5SL4 class A 0.3-40A 4P 300MA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SV3344-6KL

5SV3344-6KL

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Residual current operated circuit breaker, 4-pole, type A, In: 40 A, 30 mA, Un AC: 400 V, N left

Differential switch 5SV, 70mm, class A, 4 poles, 40A, 30mA (neutral left)

 		3 View Availability View Price

5SV3616-6KL

5SV3616-6KL

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Residual current operated circuit breaker, 2-pole, type A, In: 63 A, 300 mA, Un AC: 230 V, N left

 		3 View Availability View Price

5SM2622-0

5SM2622-0

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RC unit for 5SY, 2-pole, type AC, In: 40 A, 300 mA, Un AC: 230 V

Differential block p/aut. 5SJ/5SY access. curves B and C, class AC, 2mód., 2 poles, 6/40A, 300mA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM2622-2

5SM2622-2

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RC unit for 5SY, 2-pole, type AC, selective, In: 40 A, 300 mA, Un AC: 230 V

Differential block p/aut. 5SJ/5SY access. curves B and C, class AC, 2mód., 2 poles, 6/40A, 300mA, selective (S). Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM2622-6

5SM2622-6

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RC unit for 5SY, 2-pole, type A, In: 40 A, 300 mA, Un AC: 230 V

Differential block p/aut. 5SJ/5SY access. curves B and C, class A, 2mód., 2 poles, 6/40A, 300mA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM2642-6

5SM2642-6

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RC unit for 5SY, 4-pole, type A, In: 40 A, 300 mA, Un AC: 400 V

Differential block p/aut. 5SJ/5SY access. curves B and C, class A, 3mód., 4 poles, 6/40A, 300mA

 		3 View Availability View Price

5SM2435-6

5SM2435-6

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RC unit for 5SY, 3-pole, type A, In: 63 A, 100 mA, Un AC: 400 V

Differential block p / automatic 5SY of 70mm, type A (pulsating), 400V AC, 0,3... 63A, 3 poles, 100 mA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SV3646-6KK01

5SV3646-6KK01

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Residual current operated circuit breaker, 4-pole, type A, short-time delayed, In: 63 A, 300 mA, Un AC: 400 V

DIFFERENTIAL SWITCH TYPE A 63A 3+N POL. 300MA 400V 4MOD. SHORT DELAY. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

5SM2343-0

5SM2343-0

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RC unit for 5SL4, 4-pole, type AC, In: 40 A, 30 mA, Un AC: 400 V

Differential block p/aut 5SL4 class AC 0.3-40A 4P 30MA. Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

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