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SiemensAir Circuit Breaker
Product Model

3WL1120-4MB66-4GN4-ZF37K07R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

169634

In Stock
Last updated: 2025/5/25
View Specifications
Siemens 3WL1120-4MB66-4GN4-ZF37K07R21T40

Selling Points

  • 1Handles currents up to 6300 A with high Icw(1s) values matching Icu and Ics.
  • 2Modular components allow easy retrofitting and adaptation to changing requirements.
  • 3Supports PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU for seamless integration.
  • 4Suitable for incoming-feeder, distribution, tie, and outgoing-feeder circuit breakers in various electrical installations.
  • 5Compliant with IEC 60068-2-30 for climate-proof operation.
Product Details
3WL1120-4MB66-4GN4-ZF37K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-4MB66-4GN4-ZF37K07R21T40

Specifications may be subject to change without notice