3RU5156-3MB2
Product ID:159168
Updated: 2026/7/2

Key Features
- 1Ensure reliable motor protection with Class 10 thermal overload.
- 2Simplify installation using single mounting and screw terminals.
- 3Choose flexible operation with manual or automatic reset.
- 4Meet compliance with IEC 60947-1 and industry standards.
- 5Withstand harsh industrial environments with robust construction.
Need a quote? Enter your quantity and get pricing fast.
Qty
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Operating Ambient Temperature | -40~+70°C | Operating Altitude | Up to 2000m |
| Rated Voltage | AC400V | Installation Method | Screw terminal connection, independent installation |
| Specification | S6 | Load Class | Class 10 |
| Current Setting Range | 150-180A | Rated Current (AC-3) | Maximum 205A for S6 size |
| Lifecycle | Delivery Release (PM300) | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3RU5156-3MB2 |
Specifications may be subject to change without notice
Still deciding on 3RU5156-3MB2?
Our engineers can confirm stock, price, and lead time for this Siemens part.
Get a no-obligation quote in 1 minute.
