3WL1212-3CB66-4GA4-ZK07R21T40

Product ID:177997
Updated: 2026/4/22
Siemens 3WL1212-3CB66-4GA4-ZK07R21T40

Key Features

  • 1Handle currents up to 6300 A AC and 4000 A DC with full IEC compliance. 2、Retrofit easily with modular Electronic Trip Units and sensors. 3、Integrate seamlessly via PROFINET, PROFIBUS, or Modbus protocols. 4、Operate reliably in diverse climates meeting IEC 60068-2-30. 5、Serve as incoming, distribution, tie, or outgoing feeder breakers.
Product Details
3WL1212-3CB66-4GA4-ZK07R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1212-3CB66-4GA4-ZK07R21T40

Specifications may be subject to change without notice