3WT8121-5UG44-5AD1

Product ID:132288
Updated: 2026/4/9
Siemens 3WT8121-5UG44-5AD1

Key Features

  • 1Cover applications from 400 A to 4000 A with a breaking capacity up to 66 kA. 2、Ensure safe operation with a high degree of protection and IP55 cover. 3、Simplify planning and installation with a wide range of user-friendly accessories. 4、Adapt to changing needs by replacing electronic trip units and current transformers. 5、Enhance efficiency with LSI protection, an LCD display, and trip cause LEDs.
Product Details
3WT8121-5UG44-5AD1
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-5UG44-5AD1

Specifications may be subject to change without notice