Product Model

3WT8121-7UN74-5AF1-ZA04

In Stock
Last updated: 2025/5/9
Siemens 3WT8121-7UN74-5AF1-ZA04

Selling Points

  • 1Equipped with electronic trip units (ETU) for outstanding protection and reliability.
  • 2Covers a broad range of applications from 400 A to 4000 A with a breaking capacity up to 66 kA.
  • 3Includes door sealing frame for high protection, locking of the withdrawable circuit breaker, and signaling switch for overload and short-circuit tripping.
  • 4Components like auxiliary releases and motorized operating mechanisms can be easily replaced or retrofitted.
  • 5Features an LCD display with backlight, LEDs for tripping causes, and query and test buttons for easy operation.
Product Details
3WT8121-7UN74-5AF1-ZA04
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-7UN74-5AF1-ZA04

Specifications may be subject to change without notice