3WL1220-3FB66-4GN4-ZC22F35R21S01T40

Product ID:194603
Updated: 2026/4/15
Siemens 3WL1220-3FB66-4GN4-ZC22F35R21S01T40

Key Features

  • 1Handle currents up to 4000 A with a 66 kA interrupting capacity. 2、Adapt to changing needs with a modular, retrofittable design. 3、Integrate seamlessly via PROFINET, PROFIBUS, and Modbus protocols. 4、Ensure reliable operation in varied climates per IEC 60068-2-30. 5、Deploy in industrial, commercial, and residential building applications.
Product Details
3WL1220-3FB66-4GN4-ZC22F35R21S01T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-3FB66-4GN4-ZC22F35R21S01T40

Specifications may be subject to change without notice