3WL1225-3NB66-4GN4-ZF12R21T40

Product ID:211475
Updated: 2026/7/3
Siemens 3WL1225-3NB66-4GN4-ZF12R21T40

Key Features

  • 1Handle up to 2500A for robust electrical protection.
  • 2Build with a guide frame for long-lasting performance.
  • 3Meet international standards for safety and efficiency.
  • 4Trip automatically in case of excessive current flow.
  • 5Simplify setup and maintenance with rear connection.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1225-3NB66-4GN4-ZF12R21T40

Specifications may be subject to change without notice

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