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SiemensAir Circuit Breaker
Product Model

3WL1240-3CB77-4GA4-ZC20C22K07R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

183620

In Stock
Last updated: 2025/5/22
View Specifications
Siemens 3WL1240-3CB77-4GA4-ZC20C22K07R21T40

Selling Points

  • 1Handles up to 4000 A (AC) and 690 V.
  • 2Suitable for various electrical installations, including motors, capacitors, generators, transformers, and busbars.
  • 3Easily retrofittable with accessories like Electronic Trip Units (ETUs), current sensors, and interlocks.
  • 4Compliant with IEC 60068-2-30 for climate-proof operation.
  • 5Compatible with PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU for seamless integration into industrial automation systems.
Product Details
3WL1240-3CB77-4GA4-ZC20C22K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3CB77-4GA4-ZC20C22K07R21T40

Specifications may be subject to change without notice