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SiemensAir Circuit Breaker
Product Model

3WL1240-3FG77-4GA4-ZF12F23R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

132803

In Stock
Last updated: 2025/4/21
View Specifications
Siemens 3WL1240-3FG77-4GA4-ZF12F23R21T40

Selling Points

  • 1High Current Rating: Handles up to 4000A with a voltage range of 690V AC50/60Hz.
  • 2Enhanced Safety: Features an Icu of 80kA at 500V for reliable overcurrent protection.
  • 3Versatile Installation: Rear connection available in both horizontal and vertical orientations.
  • 4Compliant Standards: Meets IEC standards for size II applications.
  • 5Efficient Design: Withdrawable design with guide frame for easy maintenance and operation.
Product Details
3WL1240-3FG77-4GA4-ZF12F23R21T40
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-ZF12F23R21T40

Specifications may be subject to change without notice