3WL1240-3NB77-4GA4-ZF36K07R21T40

Product ID:176611
Updated: 2026/4/22
Siemens 3WL1240-3NB77-4GA4-ZF36K07R21T40

Key Features

  • 1Deliver robust protection with high current ratings up to 6300 A AC and 4000 A DC. 2、Simplify upgrades using a modular design for easy accessory retrofitting. 3、Ensure reliable operation in diverse climates per IEC 60068-2-30. 4、Enable comprehensive communication via PROFINET, PROFIBUS, and Modbus protocols. 5、Optimize load management with advanced metering and diagnostic functions.
Product Details
3WL1240-3NB77-4GA4-ZF36K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3NB77-4GA4-ZF36K07R21T40

Specifications may be subject to change without notice