3WL1112-3FB66-4GP4-ZF12R21T40

Product ID:220587
Updated: 2026/6/20
Siemens 3WL1112-3FB66-4GP4-ZF12R21T40

Key Features

  • 1Cover a wide 630A to 6300A performance range using only three compact frame sizes.
  • 2Integrate seamlessly into automation systems via PROFINET, PROFIBUS, and Modbus protocols.
  • 3Retrofit easily with electronic trip units, sensors, and auxiliary switches for future upgrades.
  • 4Replace main contact elements and modules swiftly to adapt to changing operational demands.
  • 5Ensure reliable, climate-proof operation compliant with IEC 60947-2 and IEC 60068-2-30 standards.
Product Details
3WL1112-3FB66-4GP4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1112-3FB66-4GP4-ZF12R21T40

Specifications may be subject to change without notice