Product Model

3WL1225-2AA78-1BA4-ZR21T40

In Stock
Last updated: 2025/5/1
Siemens 3WL1225-2AA78-1BA4-ZR21T40

Selling Points

  • 1High Current Rating: Handles up to 6300 A (AC) and 4000 A (DC) with IEC compliance.
  • 2Modular Design: Easily retrofittable with various accessories and modules for adaptability.
  • 3Advanced Communication: Compatible with PROFINET IO, PROFIBUS DP, Modbus TCP, and Modbus RTU.
  • 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 installations.
Product Details
3WL1225-2AA78-1BA4-ZR21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model
3WL1225-2AA78-1BA4-ZR21T40

Specifications may be subject to change without notice