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This Siemens 5SY4140-7 is a single-pole miniature circuit breaker designed for reliable circuit protection. It operates with a rated current of 40A and a supply voltage of up to 400V AC, with an insulation voltage of 440V.
The breaker utilizes a Type C tripping characteristic, suitable for applications requiring a higher inrush current capability. Its short-circuit breaking capacity is rated at 10kA according to EN 60898.
Constructed for industrial and mechanical engineering applications, this circuit breaker offers a mechanical service life of 10,000 switching cycles. It is designed for DIN rail mounting and features a quick assembly system. The device also includes touch protection and is halogen-free and silicon-free.
Key electrical specifications include a power loss of 3.5W per pole at rated current and AC operation. The ambient temperature range for operation is -40°C to +70°C.
The current rating is 40A.
The supply voltage is 400V AC.
The tripping characteristic is Type C.
The short-circuit breaking capacity is 10 kA according to EN 60898.
It is designed for DIN rail mounting using a quick assembly system.
The ambient temperature range is -40°C to +70°C.
Yes, the product feature indicates it is halogen-free.