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The Siemens 5SY4414-8 is a 4-pole circuit breaker suitable for various electrical protection applications. It is designed for DIN rail mounting, offering a width of 4 module units and a mounting depth of 70 mm.
This circuit breaker operates with a nominal voltage of 400V and a nominal current of 0.3A. It provides a nominal breaking capacity of 10 kA at 230V and 400V according to EN 60898, and a nominal breaking capacity of 35 kA at 230V and 400V according to IEC 60947-2. The device has an IP20 rating and an operating temperature range of -40°C to 70°C.
Key electrical specifications include a nominal insulation voltage Ui of 440V and a nominal impulse withstand voltage (Uimp) of 4000 kV. It supports conductor cross-sections from 0.75 to 35 mm² for both solid and stranded wires. The Siemens 5SY4414-8 is also equipped with an actuator type lever and allows for auxiliary devices.
Compliance information indicates RoHS3 compliance and an MSL of 1. The product is rated for an overvoltage category of 3.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The nominal voltage is 400V.
It has 4 poles.
The nominal breaking capacity according to EN 60898 is 10 kA, and according to IEC 60947-2 is 35 kA.
The operating temperature range is -40°C to 70°C.
It supports conductor cross-sections from 0.75 to 35 mm² for both solid and stranded wires.