3WL1240-3FB77-4GA4-ZF12F37R21T40

Product ID:226470
Updated: 2026/4/3
Siemens 3WL1240-3FB77-4GA4-ZF12F37R21T40

Key Features

  • 1Support up to 4000A for reliable high-current distribution. 2、Meet international IEC standards for safety and performance compliance. 3、Configure in 3-pole with versatile rear connection options. 4、Ensure superior protection with an Icu=80kA arc interruption rating. 5、Simplify installation using the integrated guide frame for secure mounting.
Product Details
3WL1240-3FB77-4GA4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3FB77-4GA4-ZF12F37R21T40

Specifications may be subject to change without notice