3WL1108-3MB66-4GA4-ZF37K07R21S01T40

Product ID:140136
Updated: 2026/4/20
Siemens 3WL1108-3MB66-4GA4-ZF37K07R21S01T40

Key Features

  • 1Handle high currents up to 800A for demanding industrial applications. 2、Ensure reliable protection with an overcurrent release rated Icu=66kA at 500V. 3、Mount securely using the durable and stable guide frame design. 4、Meet international safety and performance standards with full IEC compliance. 5、Apply this versatile Siemens 3WL circuit breaker across various high-current protection scenarios.
Product Details
3WL1108-3MB66-4GA4-ZF37K07R21S01T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1108-3MB66-4GA4-ZF37K07R21S01T40

Specifications may be subject to change without notice