3WL1240-4AA77-4GA4-ZC20R16R21T40

Product ID:221607
Updated: 2026/6/19
Siemens 3WL1240-4AA77-4GA4-ZC20R16R21T40

Key Features

  • 1Handle up to 4000A current and 690V for demanding applications.
  • 2Meet international safety standards with full IEC compliance.
  • 3Configure rear connections horizontally or vertically for flexible installation.
  • 4Ensure system protection with a high 66kA interrupting capacity at 500V.
  • 5Operate 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