3WL1120-3FB66-4GN4-ZF12F37R21T40

Product ID:121969
Updated: 2026/4/11
Siemens 3WL1120-3FB66-4GN4-ZF12F37R21T40

Key Features

  • 1Handle high currents up to 2000A for demanding applications. 2、Ensure reliable protection with a 55kA Icu rating at 500V. 3、Simplify installation using the rear horizontal connection design. 4、Utilize advanced ETU 25 technology for precise overcurrent release. 5、Deploy in tough environments with a robust industrial construction.
Product Details
3WL1120-3FB66-4GN4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3FB66-4GN4-ZF12F37R21T40

Specifications may be subject to change without notice