3WL1240-2MB77-4GS4-ZC20K07R21T40

Product ID:120301
Updated: 2026/4/10
Siemens 3WL1240-2MB77-4GS4-ZC20K07R21T40

Key Features

  • 1Handle up to 4000A for reliable power distribution. 2、Meet international IEC standards for safety and performance. 3、Withdraw and install easily with a secure guide frame. 4、Connect flexibly with rear options for horizontal or vertical installation. 5、Protect circuits with an advanced 66kA Icu overcurrent rating.
Product Details
3WL1240-2MB77-4GS4-ZC20K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2MB77-4GS4-ZC20K07R21T40

Specifications may be subject to change without notice