3WL1108-4MB66-4GA4-ZF12F37R21T40

Product ID:222594
Updated: 2026/6/18
Siemens 3WL1108-4MB66-4GA4-ZF12F37R21T40

Key Features

  • 1Handle high currents up to 800A reliably.
  • 2Protect circuits with precise ETU 45 LSI overcurrent release.
  • 3Simplify maintenance using the easy-withdrawal guide frame.
  • 4Install in 3-pole, size I industrial panels seamlessly.
  • 5Ensure compliance with IEC standards for 690V AC systems.
Product Details
3WL1108-4MB66-4GA4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1108-4MB66-4GA4-ZF12F37R21

Specifications may be subject to change without notice