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SiemensAir Circuit Breaker
Product Model

3WL1240-3FB77-4GA4-ZF12R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

141974

In Stock
Last updated: 2025/4/28
View Specifications
Siemens 3WL1240-3FB77-4GA4-ZF12R21T40

Selling Points

  • 1High Current Rating: Handles up to 4000A for robust industrial use.
  • 2IEC Compliance: Meets international standards for safety and performance.
  • 3Overcurrent Release: Ensures safe operation with automatic overcurrent protection.
  • 4Rear Connection: Convenient rear terminals for easy installation and maintenance.
  • 5Guide Frame Option: Available with or without guide frame for versatile application.
Product Details
3WL1240-3FB77-4GA4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3FB77-4GA4-ZF12R21T40

Specifications may be subject to change without notice