3RU5146-4LB0
Product ID:156973
Updated: 2026/4/3

Key Features
- 1Protect motors reliably with a 70-90 A capacity. 2、Choose flexible manual or automatic reset options. 3、Integrate seamlessly with compatible contactors. 4、Ensure safety with IEC 60947 standard compliance. 5、Simplify installation using screw terminals.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Operating Ambient Temperature | -40~+70°C | Operating Altitude | Up to 2000m |
| Rated Voltage | AC400V | Mounting Method | Screw Terminal Connection, Used with Contactor Insertion |
| Specification | S3 | Load Class | Class 10 |
| Current Setting Range | 70-90A | Rated Current (AC-3) | Maximum 100A for S3 Size |
| Lifecycle | Delivery Release (PM300) | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3RU5146-4LB0 |
Specifications may be subject to change without notice
