3WL1220-3FB66-4GA4-ZF12F37R21T40

Product ID:123988
Updated: 2026/4/14
Siemens 3WL1220-3FB66-4GA4-ZF12F37R21T40

Key Features

  • 1Handle high currents up to 2000A at 690V for demanding applications. 2、Meet international safety standards with full IEC compliance. 3、Simplify installation using the horizontal rear connection design. 4、Ensure safe operation with a reliable overcurrent release (66kA Icu). 5、Rely on a durable guide frame for extended service life and reduced downtime.
Product Details
3WL1220-3FB66-4GA4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-3FB66-4GA4-ZF12F37R21T40

Specifications may be subject to change without notice