3WL1240-2FB77-4GA4-ZF12R21R55T40

Product ID:144455
Updated: 2026/4/21
Siemens 3WL1240-2FB77-4GA4-ZF12R21R55T40

Key Features

  • 1Handle currents up to 4000A for demanding high-power applications. 2、Meet international safety standards with full IEC compliance. 3、Configure your system with a versatile 3-pole, rear-connected design. 4、Ensure robust protection with an Icu rating of 66kA at 500V. 5、Simplify setup using the integrated guide frame for secure installation.
Product Details
3WL1240-2FB77-4GA4-ZF12R21R55T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2FB77-4GA4-ZF12R21R55T40

Specifications may be subject to change without notice