3WL1240-3MB77-4GA4-ZF37K07R21T40

Product ID:181320
Updated: 2026/4/21
Siemens 3WL1240-3MB77-4GA4-ZF37K07R21T40

Key Features

  • 1Handle currents up to 6300 A AC and 4000 A DC with high reliability. 2、Easily retrofit with various accessories and modules for adapting to changing requirements. 3、Integrate seamlessly via PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU. 4、Comply with IEC 60947-2 and climate-proof IEC 60068-2-30 standards. 5、Suit incoming-feeder, distribution, tie, and outgoing-feeder applications.
Product Details
3WL1240-3MB77-4GA4-ZF37K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3MB77-4GA4-ZF37K07R21T40

Specifications may be subject to change without notice