3WL1120-3NB66-4GA4-ZF12F37R21T40

Product ID:115715
Updated: 2026/4/9
Siemens 3WL1120-3NB66-4GA4-ZF12F37R21T40

Key Features

  • 1Handle up to 2000 A current and 690 V voltage for robust power distribution. 2、Meet international IEC standards for guaranteed safety and global compliance. 3、Simplify installation and maintenance with convenient rear horizontal connections. 4、Ensure operational safety with an overcurrent release (Icu 66 kA at 500 V). 5、Rely on a durable guide frame design for extended service life and reliability.
Product Details
3WL1120-3NB66-4GA4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3NB66-4GA4-ZF12F37R21T40

Specifications may be subject to change without notice