3WL1112-3AA78-4GA4-ZC22R15R21T40

Product ID:223075
Updated: 2026/6/17
Siemens 3WL1112-3AA78-4GA4-ZC22R15R21T40

Key Features

  • 1Protect demanding industrial circuits with reliable 1250A overcurrent protection.
  • 2Integrate seamlessly into complex 690V systems requiring precise control.
  • 3Ensure global project compliance with international IEC standards.
  • 4Simplify installation using the horizontal rear connection design.
  • 5Withstand harsh environments with a robust drawer guide frame.
Product Details
3WL1112-3AA78-4GA4-ZC22R15R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1112-3AA78-4GA4-ZC22R15R21T40

Specifications may be subject to change without notice