3WT8121-7UV74-5AD1

Product ID:177321
Updated: 2026/4/22
Siemens 3WT8121-7UV74-5AD1

Key Features

  • 1Cover applications from 400A to 4000A with two frame sizes. 2、Achieve high protection with IP55 cover and mechanical reclosing lockout. 3、Ensure safety with unambiguous ON-OFF and ready-to-close indicators. 4、Combine all components modularly for easy replacement or retrofitting. 5、Utilize ETU45WT with adjustable overload and short-circuit protection.
Product Details
3WT8121-7UV74-5AD1
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3WT8121-7UV74-5AD1

Specifications may be subject to change without notice