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SiemensAir Circuit Breaker
Product Model

3WL1240-2AA77-4GA4-ZR21R55T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

179530

In Stock
Last updated: 2025/5/14
View Specifications
Siemens 3WL1240-2AA77-4GA4-ZR21R55T40

Selling Points

  • 1High Performance: Designed for high current ratings up to 4000A.
  • 2Reliable Operation: Ensures safe and reliable operation with Icu=66kA at 500V.
  • 3Versatile Installation: Rear connection options available for vertical or horizontal installation.
  • 4Compliance Standards: Meets IEC standards for size II applications.
  • 5Enhanced Safety Features: Equipped with overcurrent release for enhanced safety and protection.
Product Details
3WL1240-2AA77-4GA4-ZR21R55T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2AA77-4GA4-ZR21R55T40

Specifications may be subject to change without notice