Product Model

3WL1240-3MB77-4GA4-ZK07R21T40

In Stock
Last updated: 2025/4/18
Siemens 3WL1240-3MB77-4GA4-ZK07R21T40

Selling Points

  • 1High Performance: Handles currents up to 6300 A (AC) and 4000 A (DC) with IEC compliance.
  • 2Flexible Design: Modular design allows for easy retrofitting of accessories and communication components.
  • 3Advanced Communication: Compatible with PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU for seamless integration.
  • 4Enhanced Safety: Climate-proof according to IEC 60068-2-30 and meets IEC 60947-2 standards.
  • 5Versatile Applications: Suitable for incoming-feeder, distribution, tie, and outgoing-feeder circuit breakers in various industrial settings.
Product Details
3WL1240-3MB77-4GA4-ZK07R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1240-3MB77-4GA4-ZK07R21T40

Specifications may be subject to change without notice