3WL1212-4FB66-4GS4-ZF12F36R21T40

Product ID:177965
Updated: 2026/4/22
Siemens 3WL1212-4FB66-4GS4-ZF12F36R21T40

Key Features

  • 1Deliver high current capacity up to 1250 A for demanding applications. 2、Adjust overcurrent release precisely from 0.4 to 1 second. 3、Ensure robust performance with a rear horizontal connection design. 4、Integrate ETU45 LSIN protection for enhanced electrical safety. 5、Operate easily with a motorized or manual mechanism.
Product Details
3WL1212-4FB66-4GS4-ZF12F36R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1212-4FB66-4GS4-ZF12F36R21T40

Specifications may be subject to change without notice