3WL1220-2AA66-4GA4-ZR21T40

Product ID:121968
Updated: 2026/4/11
Siemens 3WL1220-2AA66-4GA4-ZR21T40

Key Features

  • 1Deliver highly flexible power distribution from 800 A to 690 V AC. 2、Ensure compliance with IEC 60947-2 and climate-proof IEC 60068-2-30 standards. 3、Retrofit communication modules easily thanks to a modular design. 4、Support PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU protocols. 5、Optimize applications in non-residential, residential, and industrial buildings.
Product Details
3WL1220-2AA66-4GA4-ZR21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-2AA66-4GA4-ZR21T40

Specifications may be subject to change without notice