3WL1220-3MB66-4GS4-ZF12R21S01T40

Product ID:147364
Updated: 2026/4/22
Siemens 3WL1220-3MB66-4GS4-ZF12R21S01T40

Key Features

  • 1Handle up to 2000A for reliable high-current operation. 2、Meet international safety standards with full IEC compliance. 3、Integrate seamlessly into three-phase electrical systems. 4、Install and remove effortlessly using the withdrawable guide frame. 5、Ensure system safety with 100kA Icu overcurrent protection.
Product Details
3WL1220-3MB66-4GS4-ZF12R21S01T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-3MB66-4GS4-ZF12R21S01T40

Specifications may be subject to change without notice