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SiemensAir Circuit Breaker
Product Model

3WL1240-3FG77-4GA4-ZC20F23K07R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

187821

In Stock
Last updated: 2025/5/6
View Specifications
Siemens 3WL1240-3FG77-4GA4-ZC20F23K07R21T40

Selling Points

  • 1High Current Rating: Handles up to 4000A for reliable power distribution.
  • 2IEC Compliance: Meets international standards for electrical safety and performance.
  • 3Overcurrent Release: Automatically disconnects in case of excessive current to prevent damage.
  • 4Guide Frame Design: Easy withdrawal and installation with a secure guide frame.
  • 5Versatile Connectivity: Rear connection options for vertical or horizontal mounting configurations.
Product Details
3WL1240-3FG77-4GA4-ZC20F23K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3FG77-4GA4-ZC20F23K07R21T40

Specifications may be subject to change without notice