5SY4440-8
Product ID:100878
Updated: 2026/4/3

Key Features
- 1Deliver reliable 10kA short-circuit protection in industrial settings. 2、Simplify installation with a 4-pole, D-type, 40A, 70mm depth design. 3、Operate reliably across a wide -40°C to 70°C temperature range. 4、Ensure safety and durability even in harsh environmental conditions. 5、Accommodate flexible wiring with connectors from 0.75mm² to 35mm².
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Protection Class IP | IP20 | Overvoltage Category | 3 |
| Release Characteristic | D | Voltage Type | AC |
| Lifecycle | Delivery Release (PM300) | Country of Origin | Germany |
| ECCN | N | AL | N |
| Model Number | 5SY4440-8 |
Specifications may be subject to change without notice
