3WL1240-2FB77-4GN4-ZF12F36R21T40

Product ID:188755
Updated: 2026/4/17
Siemens 3WL1240-2FB77-4GN4-ZF12F36R21T40

Key Features

  • 1Handle currents up to 4000A at 690V for demanding applications. 2、Configure rear connections vertically or horizontally for layout flexibility. 3、Ensure reliable protection with a high Icu rating of 66kA at 500V. 4、Simplify installation and maintenance using the withdrawable guide frame design. 5、Meet international safety and performance standards for Size II applications.
Product Details
3WL1240-2FB77-4GN4-ZF12F36R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2FB77-4GN4-ZF12F36R21T40

Specifications may be subject to change without notice