3WL1120-3FB66-4GA4-ZF12R10R21T40

Product ID:140644
Updated: 2026/4/20
Siemens 3WL1120-3FB66-4GA4-ZF12R10R21T40

Key Features

  • 1Handle up to 2000 A at 690 V AC for demanding applications. 2、Ensure reliable protection with the integrated ETU 25 overcurrent release. 3、Simplify installation via the rear horizontal connection design. 4、Achieve efficient energy management with a 66 kA interrupting capacity. 5、Benefit from long-lasting performance due to the slide-in module frame.
Product Details
3WL1120-3FB66-4GA4-ZF12R10R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3FB66-4GA4-ZF12R10R21T40

Specifications may be subject to change without notice