3WL1220-4FB66-4GA4-ZF12F37R21T40

Product ID:185395
Updated: 2026/4/20
Siemens 3WL1220-4FB66-4GA4-ZF12F37R21T40

Key Features

  • 1Handle up to 2000A at 690V for demanding loads. 2、Meet global safety standards with full IEC compliance. 3、Simplify installation and maintenance using the withdrawable guide frame. 4、Ensure reliable protection with the ETU 25 LSI overcurrent release. 5、Withstand industrial conditions via durable rear-horizontal construction.
Product Details
3WL1220-4FB66-4GA4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters

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

Specifications may be subject to change without notice