3WL1220-3CB66-4GA4-ZR10R21T40

Product ID:218712
Updated: 2026/6/23
Siemens 3WL1220-3CB66-4GA4-ZR10R21T40

Key Features

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

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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

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