3WL1240-3FB77-4GN4-ZK07R21T40

Product ID:149866
Updated: 2026/4/22
Siemens 3WL1240-3FB77-4GN4-ZK07R21T40

Key Features

  • 1Handle currents up to 6300 A AC and 4000 A DC with full IEC compliance. 2、Retrofit modules easily for trip units, ground-fault, and rating plugs. 3、Integrate seamlessly via PROFINET, PROFIBUS, Modbus TCP, or Modbus RTU. 4、Fit compactly into switchboard panels from 400 mm to 800 mm wide. 5、Apply across non-residential, residential, and industrial buildings.
Product Details
3WL1240-3FB77-4GN4-ZK07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3FB77-4GN4-ZK07R21T40

Specifications may be subject to change without notice