3WL1112-3FB66-4GA4-ZF12R10R21T40

Product ID:177030
Updated: 2026/4/22
Siemens 3WL1112-3FB66-4GA4-ZF12R10R21T40

Key Features

  • 1Control high currents up to 1250A and voltages to 690V. 2、Achieve reliable protection with a 66kA breaking capacity at 500V. 3、Adjust overcurrent sensitivity from 0.4 to 1 via the ETU45 release. 4、Integrate communication and ground fault protection functions. 5、Operate with motorized or manual mechanisms for flexibility.
Product Details
3WL1112-3FB66-4GA4-ZF12R10R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1112-3FB66-4GA4-ZF12R10R21T40

Specifications may be subject to change without notice