3WT8121-7UG44-5AB1-ZF12
Product ID:224377
Updated: 2026/8/17

Key Features
- 1Achieve 99.9% operational reliability with precise electronic trip units.
- 2Adapt flexibly to system changes via modular, replaceable components.
- 3Enhance safety with ground-fault protection and thermal memory functions.
- 4Diagnose faults instantly via user-friendly LCD and backlit LED indicators.
- 5Ensure safe operation in harsh conditions with IP55 protection rating.
Need a quote? Enter your quantity and get pricing fast.
Qty
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Lifecycle | P.M300 | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3WT8121-7UG44-5AB1-ZF12 |
Specifications may be subject to change without notice
Still deciding on 3WT8121-7UG44-5AB1-ZF12?
Our engineers can confirm stock, price, and lead time for this Siemens part.
Get a no-obligation quote in 1 minute.
