Product Model

3WT8121-5UG44-5AF1

In Stock
Last updated: 2025/4/20
Siemens 3WT8121-5UG44-5AF1

Selling Points

  • 1Designed with advanced electronic trip units for precise overload and short-circuit protection.
  • 2Includes door sealing frame IP41, mechanical reclosing lockout, and signaling switches for enhanced safety.
  • 3Components like auxiliary releases, motorized operating mechanisms, and current transformers can be easily replaced or retrofitted.
  • 4User-friendly interface with LCD display, LEDs for tripping causes, and query/test buttons for easy monitoring.
  • 5Suitable for a broad range of applications from 400 A to 4000 A, with 3- or 4-pole versions available.
Product Details
3WT8121-5UG44-5AF1
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-5UG44-5AF1

Specifications may be subject to change without notice