3WL1120-3MB66-4GN4-ZF37K07R21T40

Product ID:190301
Updated: 2026/4/16
Siemens 3WL1120-3MB66-4GN4-ZF37K07R21T40

Key Features

  • 1Ensure consistent performance in demanding electrical environments. 2、Protect applications from 16 A to 6300 A with one solution. 3、Retrofit easily with various accessories for future adaptability. 4、Monitor and diagnose with ETU45B or ETU76B trip units. 5、Meet IEC 60947-2 and climate-proof IEC 60068-2-30 standards.
Product Details
3WL1120-3MB66-4GN4-ZF37K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3MB66-4GN4-ZF37K07R21T40

Specifications may be subject to change without notice