| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Current Rating (Amps) | |
| Depth | |
| Halogen Free | |
| Height | |
| Illumination | |
| Mounting Type | |
| Number of Poles | |
| Voltage | |
| Voltage Rating | |
| Width |
The Siemens 5SY4340-8 is a 3-pole miniature circuit breaker designed for reliable circuit protection in industrial and mechanical engineering applications. It operates with a rated supply voltage of 400V AC and offers a significant switching capacity of 10kA according to EN 60898.
This circuit breaker features a D-type tripping characteristic, making it suitable for applications with high inrush currents. It has an operational current rating of 40A at 35°C, with derated values at higher temperatures. The device is designed for DIN rail mounting and supports conductor cross-sections from 0.75 mm² to 35 mm² for solid and stranded conductors.
Key features include a mechanical service life of 10,000 switching cycles, touch protection, and halogen-free construction. The breaker is also sealable and silicon-free, contributing to its suitability for various environments. Its compact dimensions and robust design ensure reliable performance and ease of installation.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Siemens 5SY4340-8 has 3 poles.
The operational current rating at 35°C is 40A.
The rated supply voltage is 400V AC.
It features a D tripping characteristic.
It is designed for DIN rail mounting.
The breaking capacity is 10 kA according to EN 60898.
Yes, the Siemens 5SY4340-8 is halogen-free.