Siemens 5SU1356-0KV10, FI/LS-PROTECTOR TYPE AC (WS), D=70MM IFN 30MA, 6KA, 1+N-POLE B 10A.
The Siemens 5SU1356-0KV10 is a Type AC residual current circuit breaker with overcurrent protection (RCBO) — a 1+N-pole unit rated B-curve 10 A with a 30 mA earth-leakage trip threshold and 6 kA breaking capacity. The 70 mm width fits standard Siemens distribution board slots.
The B-curve 10 A trips magnetically between 3× and 5× rated current (30–50 A), suited for resistive and moderate inductive loads like lighting, socket outlets, and small appliances.
It is a Type AC RCBO (FI/LS protector) combining overcurrent protection (B-curve 10 A) and residual current protection (30 mA) in a single 1+N-pole, 70 mm-wide device. It protects final circuits against overload, short-circuit, and earth leakage in residential and light commercial distribution boards.
The part is sourced to order against an RFQ through independent distribution channels. Submit a request for quote to confirm current availability and pricing.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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