3WL1108-3CB66-5FA4-ZC20K07R21T40

Product ID:105945
Updated: 2026/7/3
Siemens 3WL1108-3CB66-5FA4-ZC20K07R21T40

Key Features

  • 1Handle up to 800A continuous current for demanding applications.
  • 2Provide versatile protection with ground fault and phase failure detection.
  • 3Adjust pick-up value current for customized overload protection settings.
  • 4Feature manual/motorized operation with mechanical and electrical closing.
  • 5Ensure reliable protection with 66 kA short-circuit breaking capacity.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1108-3CB66-5FA4-ZC20K07R21T40

Specifications may be subject to change without notice

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