3WL1240-3NB77-4GA4-ZK07R21T40

Product ID:220443
Updated: 2026/4/5
Siemens 3WL1240-3NB77-4GA4-ZK07R21T40

Key Features

  • 1Handle currents up to 6300A AC and 4000A DC with full IEC compliance. 2、Adapt modular components for easy retrofitting to meet changing needs. 3、Integrate seamlessly via PROFINET, PROFIBUS, Modbus TCP, or Modbus RTU. 4、Monitor systems in real-time with advanced Electronic Trip Units (ETU). 5、Operate reliably in diverse climates per IEC 60068-2-30 standards.
Product Details
3WL1240-3NB77-4GA4-ZK07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3NB77-4GA4-ZK07R21T40

Specifications may be subject to change without notice