3WL1120-4AA66-5FA4-ZR21T40

Product ID:105061
Updated: 2026/4/5
Siemens 3WL1120-4AA66-5FA4-ZR21T40

Key Features

  • 1Handle currents up to 6300 A (AC) and 4000 A (DC) with full IEC 60947-2 compliance. 2、Cover a wide performance range from 630 A to 6300 A with three versatile frame sizes. 3、Integrate seamlessly via PROFINET IO, PROFIBUS DP, Modbus TCP, or Modbus RTU. 4、Retrofit modules easily for Electronic Trip Units, sensors, and accessories. 5、Enhance diagnostics with metering functions and ground-fault modules.
Product Details
3WL1120-4AA66-5FA4-ZR21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-4AA66-5FA4-ZR21T40

Specifications may be subject to change without notice