3WL1240-3AA77-4GA4-ZC20C22R21T40

Product ID:103741
Updated: 2026/4/5
Siemens 3WL1240-3AA77-4GA4-ZC20C22R21T40

Key Features

  • 1Handle up to 4000A for reliable power distribution. 2、Meet international IEC standards for safety and performance. 3、Utilize a 3-pole design for three-phase electrical systems. 4、Simplify installation with horizontal rear connection terminals. 5、Ensure safe operation with an overcurrent release for automatic shutdown.
Product Details
3WL1240-3AA77-4GA4-ZC20C22R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3AA77-4GA4-ZC20C22R21T40

Specifications may be subject to change without notice