3WL1120-3FB66-4GN4-ZC01F12F37R21T40

Product ID:166144
Updated: 2026/7/13
Siemens 3WL1120-3FB66-4GN4-ZC01F12F37R21T40

Key Features

  • 1Deliver high-performance protection with robust construction for demanding industrial currents.
  • 2Enhance safety with advanced ETU 25 release and 66 kA breaking capacity.
  • 3Simplify installation using flexible rear-horizontal connection options.
  • 4Ensure compliance and reliability by meeting all key international IEC standards.
  • 5Maximize durability in harsh environments with a rugged guide frame design.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3FB66-4GN4-ZC01F12F37R21T40

Specifications may be subject to change without notice

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