3RU6126-4NB1
Product ID:134360
Updated: 2026/7/2

Key Features
- 1Ensure Class 10 reliability for precise motor protection.
- 2Select manual or automatic reset for operational flexibility.
- 3Cover a 23-28 A current range for various applications.
- 4Simplify installation with reliable screw terminal connections.
- 5Meet environmental standards with RoHS compliance since 2012.
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, Independent Installation |
| Specification | S0 | Load Class | CLASS 10 |
| Current Setting Range | 23-28A | Rated Current (AC-3) | Max. 40A for S0 size |
| Lifecycle | Delivery Release (PM300) | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3RU6126-4NB1 |
Specifications may be subject to change without notice
Still deciding on 3RU6126-4NB1?
Our engineers can confirm stock, price, and lead time for this Siemens part.
Get a no-obligation quote in 1 minute.
