3WL1220-2AA78-1FA4-ZR21T40

Product ID:102821
Updated: 2026/4/5
Siemens 3WL1220-2AA78-1FA4-ZR21T40

Key Features

  • 1Achieve highly flexible application and consistent communication capability. 2、Cover a performance range from 630 A to 6300 A with three frame sizes. 3、Retrofit communication components easily thanks to modular design. 4、Access advanced functions like PROFINET, PROFIBUS, and Modbus. 5、Ensure compliance with IEC 60947-2 and climate-proof standards.
Product Details
3WL1220-2AA78-1FA4-ZR21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-2AA78-1FA4-ZR21T40

Specifications may be subject to change without notice