3WL1220-3CB66-4GA4-ZR10R21T40

Product ID:218712
Updated: 2026/4/6
Siemens 3WL1220-3CB66-4GA4-ZR10R21T40

Key Features

  • 1Cover a wide performance range from 630 A to 6300 A with three frame sizes. 2、Enable comprehensive communication via PROFINET, PROFIBUS, and Modbus protocols. 3、Simplify retrofitting with a modular design for components and accessories. 4、Ensure robust protection compliant with IEC 60947-2 and climate-proof standards. 5、Ideal for applications in non-residential, residential, and industrial buildings.
Product Details
3WL1220-3CB66-4GA4-ZR10R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-3CB66-4GA4-ZR10R21T40

Specifications may be subject to change without notice