3WL1240-2FB77-4GA4-ZF12F37R21T40

Product ID:221574
Updated: 2026/6/19
Siemens 3WL1240-2FB77-4GA4-ZF12F37R21T40

Key Features

  • 1Handle high currents up to 4000A and voltages to 690V.
  • 2Meet international safety standards with full IEC compliance.
  • 3Ensure reliable operation with advanced 66kA Icu overcurrent protection.
  • 4Simplify installation using versatile vertical or horizontal rear connections.
  • 5Achieve long-lasting performance with a durable guide frame design.
Product Details
3WL1240-2FB77-4GA4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-2FB77-4GA4-ZF12F37R21T40

Specifications may be subject to change without notice