3WL1240-3AA77-4GA4-ZC20R16R21T40

Product ID:171055
Updated: 2026/4/23
Siemens 3WL1240-3AA77-4GA4-ZC20R16R21T40

Key Features

  • 1Handle currents up to 4000A with a voltage rating of 690V. 2、Meet international safety standards with full IEC compliance. 3、Provide reliable overcurrent protection with an Icu of 80kA at 500V. 4、Connect flexibly using rear connections in horizontal or vertical configurations. 5、Enhance installation safety and ease with the integrated guide frame.
Product Details
3WL1240-3AA77-4GA4-ZC20R16R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3AA77-4GA4-ZC20R16R21T40

Specifications may be subject to change without notice