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SiemensAir Circuit Breaker
Product Model

3WL1240-2FB77-4GA4-ZF12R21R55T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

144455

In Stock
Last updated: 2025/6/16
View Specifications
Siemens 3WL1240-2FB77-4GA4-ZF12R21R55T40

Selling Points

  • 1High Current Capacity: Handles currents up to 4000A.
  • 2IEC Compliance: Meets international standards for electrical safety and performance.
  • 3Versatile Configuration: Available in 3-pole configuration with rear connection.
  • 4Reliable Overcurrent Protection: Features Icu=66kA at 500V for robust protection.
  • 5Easy Installation: Designed with a guide frame for smooth and secure installation.
Product Details
3WL1240-2FB77-4GA4-ZF12R21R55T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2FB77-4GA4-ZF12R21R55T40

Specifications may be subject to change without notice