3WL1240-4AA77-4GA4-ZC20R16R21T40

Product ID:221607
Updated: 2026/4/5
Siemens 3WL1240-4AA77-4GA4-ZC20R16R21T40

Key Features

  • 1Handle up to 4000A current and 690V for demanding applications. 2、Meet international safety standards with full IEC compliance. 3、Configure rear connections horizontally or vertically for flexible installation. 4、Ensure system protection with a high 66kA interrupting capacity at 500V. 5、Operate reliably on AC50/60Hz power in diverse environmental conditions.
Product Details
3WL1240-4AA77-4GA4-ZC20R16R21T40
Siemens

Technical Specifications

Detailed engineering parameters

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

Specifications may be subject to change without notice