3WL1240-2FG77-4GS4-ZF23K07R21S01T40

Product ID:220607
Updated: 2026/6/20
Siemens 3WL1240-2FG77-4GS4-ZF23K07R21S01T40

Key Features

  • 1Handle high currents up to 4000A for demanding applications.
  • 2Apply versatile protection in size II electrical systems.
  • 3Ensure enhanced safety with an Icu rating of 66kA at 500V.
  • 4Install flexibly using convenient rear connection options.
  • 5Withstand harsh AC50/60Hz environments with durable construction.
Product Details
3WL1240-2FG77-4GS4-ZF23K07R21S01T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2FG77-4GS4-ZF23K07R21S01T40

Specifications may be subject to change without notice