3WL1240-4FB77-4GA4-ZF37K07R21T40

Product ID:143753
Updated: 2026/4/21
Siemens 3WL1240-4FB77-4GA4-ZF37K07R21T40

Key Features

  • 1Handle up to 4000A current for demanding industrial loads. 2、Operate reliably across a versatile 690V AC50/60Hz voltage range. 3、Ensure safety with a high Icu=100kA at 500V interrupting rating. 4、Simplify setup with flexible rear connection vertical installation options. 5、Meet global compliance by adhering to IEC specifications for international use.
Product Details
3WL1240-4FB77-4GA4-ZF37K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-4FB77-4GA4-ZF37K07R21T40

Specifications may be subject to change without notice