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SiemensAir Circuit Breaker
Product Model

3WL1220-3NB66-4GA4-ZF12F37R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

107844

In Stock
Last updated: 2025/4/21
View Specifications
Siemens 3WL1220-3NB66-4GA4-ZF12F37R21T40

Selling Points

  • 1High Current Rating: Handles currents up to 2000A.
  • 2Wide Voltage Range: Compatible with 690V AC50/60Hz.
  • 3Enhanced Safety Features: Includes overcurrent release for secure operation.
  • 4Durable Construction: Built with a guide frame for easy withdrawal.
  • 5Compliant with IEC Standards: Meets international electrical standards for reliability and safety.
Product Details
3WL1220-3NB66-4GA4-ZF12F37R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1220-3NB66-4GA4-ZF12F37R21T40

Specifications may be subject to change without notice