3WL1240-2FB77-4GA4-ZF12F37R21T40

Product ID:221574
Updated: 2026/4/5
Siemens 3WL1240-2FB77-4GA4-ZF12F37R21T40

Key Features

  • 1Handle high currents up to 4000A and voltages to 690V. 2、Meet international safety standards with full IEC compliance. 3、Ensure reliable operation with advanced 66kA Icu overcurrent protection. 4、Simplify installation using versatile vertical or horizontal rear connections. 5、Achieve long-lasting performance with a durable guide frame design.
Product Details
3WL1240-2FB77-4GA4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2FB77-4GA4-ZF12F37R21T40

Specifications may be subject to change without notice