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  5. RCCB, 4-pole, type B+, short-term delayed, In: 40 A, 300 mA, Un ...

RCCB, 4-pole, type B+, short-term delayed, In: 40 A, 300 mA, Un ...

  1. SIEMENS 5SM3644-4KK14 4230426
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Residual current operated circuit breaker, 4-pole, type B+, short-time delayed, In: 40 A, 300 mA, Un AC: 400 V The RCD is the residual current device for touch protection. https://www.siemens.com/global/en/home/products/energy/low-voltage/components/sentron-protection-devices/residual-current-protective-devices.html. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and industry.