3WL1240-4MB77-4GA4-ZF12R21T40

Product ID:219644
Updated: 2026/4/6
Siemens 3WL1240-4MB77-4GA4-ZF12R21T40

Key Features

  • 1Retrofit easily with interchangeable components for changing needs. 2、Operate reliably in varied climates per IEC 60068-2-30. 3、Integrate seamlessly using PROFINET, PROFIBUS, or Modbus protocols. 4、Deploy flexibly as incoming, tie, or outgoing-feeder breaker. 5、Manage loads effectively with built-in metering and diagnostics.
Product Details
3WL1240-4MB77-4GA4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-4MB77-4GA4-ZF12R21T40

Specifications may be subject to change without notice