3WT8121-7UG44-5AB1-ZF12

Product ID:224377
Updated: 2026/6/15
Siemens 3WT8121-7UG44-5AB1-ZF12

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.
Product Details
3WT8121-7UG44-5AB1-ZF12
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
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