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SiemensAir Circuit Breaker
Product Model

3WL1120-3FB66-4GN4-ZF12R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

170179

In Stock
Last updated: 2025/5/27
View Specifications
Siemens 3WL1120-3FB66-4GN4-ZF12R21T40

Selling Points

  • 1Highly flexible design to cover a wide range of applications.
  • 2Modular components for easy retrofitting and adaptation to changing requirements.
  • 3Advanced communication capabilities via PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU.
  • 4Robust protection against electrical faults with high Icw(1s) values matching Icu and Ics values.
  • 5Compatible with IEC 60947-2 and climate-proof according to IEC 60068-2-30.
Product Details
3WL1120-3FB66-4GN4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3FB66-4GN4-ZF12R21T40

Specifications may be subject to change without notice