3WL1240-3FB77-4GA4-ZF12R21T40

Product ID:141974
Updated: 2026/4/20
Siemens 3WL1240-3FB77-4GA4-ZF12R21T40

Key Features

  • 1Handle up to 4000A for robust industrial power distribution. 2、Meet international IEC standards for safety and performance compliance. 3、Ensure safe operation with integrated automatic overcurrent release. 4、Simplify installation and maintenance with convenient rear connection terminals. 5、Select versatile guide frame options to suit your specific application needs.
Product Details
3WL1240-3FB77-4GA4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3FB77-4GA4-ZF12R21T40

Specifications may be subject to change without notice