3WL1240-2NB77-4GA4-ZF12R21T40

Product ID:185691
Updated: 2026/4/20
Siemens 3WL1240-2NB77-4GA4-ZF12R21T40

Key Features

  • 1Handle up to 4000A and 690V for demanding power distribution. 2、Meet international safety standards with full IEC compliance. 3、Install and remove easily using the secure withdrawable guide frame. 4、Provide reliable overcurrent protection rated Icu=66kA at 500V. 5、Ensure compatibility across AC50/60Hz electrical systems.
Product Details
3WL1240-2NB77-4GA4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2NB77-4GA4-ZF12R21T40

Specifications may be subject to change without notice