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SiemensAir Circuit Breaker
Product Model

3WL1240-2FB77-4GN4-ZF12R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

143918

In Stock
Last updated: 2025/5/8
View Specifications
Siemens 3WL1240-2FB77-4GN4-ZF12R21T40

Selling Points

  • 1High Current Rating: Handles up to 4000A with a voltage range of 690V.
  • 2IEC Compliance: Meets international standards for electrical safety and performance.
  • 3Overcurrent Protection: Provides reliable overcurrent release with Icu=66kA at 500V rear terminals.
  • 4Horizontal Rear Connection: Easy installation with horizontal rear terminals for efficient wiring.
  • 5Durable Construction: Built to withstand harsh industrial environments with robust design.
Product Details
3WL1240-2FB77-4GN4-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
3WL1240-2FB77-4GN4-ZF12R21T40

Specifications may be subject to change without notice