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SiemensAir Circuit Breaker
Product Model

3WL1240-2AA77-5FA4-ZR21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

112337

In Stock
Last updated: 2025/4/27
View Specifications
Siemens 3WL1240-2AA77-5FA4-ZR21T40

Selling Points

  • 1High-performance up to 6300 A (AC) and 4000 A (DC) ratings.
  • 2Modular design with easy retrofitting of communication components.
  • 3Climate-proof according to IEC 60068-2-30 for reliable operation in various environments.
  • 4Comprehensive accessories including Electronic Trip Units (ETU) and ground-fault modules.
  • 5Integrated communication capabilities via PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU.
Product Details
3WL1240-2AA77-5FA4-ZR21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2AA77-5FA4-ZR21T40

Specifications may be subject to change without notice