3WL1240-2FB77-4GN4-ZF12F23R21T40

Product ID:173723
Updated: 2026/4/23
Siemens 3WL1240-2FB77-4GN4-ZF12F23R21T40

Key Features

  • 1Support up to 4000A for reliable power distribution. 2、Meet international IEC standards for safety and compliance. 3、Utilize vertical rear connections for space-saving installation. 4、Achieve high interrupting capacity of 66kA at 500V. 5、Ensure stable operation with the guide frame design.
Product Details
3WL1240-2FB77-4GN4-ZF12F23R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2FB77-4GN4-ZF12F23R21T40

Specifications may be subject to change without notice