3WL1120-3NG66-4GS4-ZF37K07R21T40

Product ID:182322
Updated: 2026/4/20
Siemens 3WL1120-3NG66-4GS4-ZF37K07R21T40

Key Features

  • 1Cover a wide range from 630 A to 6300 A with just three frame sizes. 2、Integrate seamlessly via PROFINET IO, PROFIBUS DP, Modbus TCP, or Modbus RTU. 3、Retrofit accessories and components easily thanks to modular design. 4、Ensure robust protection compliant with IEC 60947-2 and climate-proof standards. 5、Expand functionality with ETUs, current transformers, and ground-fault modules.
Product Details
3WL1120-3NG66-4GS4-ZF37K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3NG66-4GS4-ZF37K07R21T40

Specifications may be subject to change without notice