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SiemensAir Circuit Breaker
Product Model

3WL1120-3MB66-4GA4-ZF37K07R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

147265

In Stock
Last updated: 2025/5/2
View Specifications
Siemens 3WL1120-3MB66-4GA4-ZF37K07R21T40

Selling Points

  • 1High Current Rating: Handles up to 2000 A with 690 V AC.
  • 2Advanced Overcurrent Protection: Icu=66 kA at 500 V for enhanced safety.
  • 3Compact Design: Size 1, ideal for space-constrained installations.
  • 4Flexible Connection Options: Rear horizontal connection for easy setup.
  • 5Compliance with IEC Standards: Meets international safety and performance standards.
Product Details
3WL1120-3MB66-4GA4-ZF37K07R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3MB66-4GA4-ZF37K07R21T40

Specifications may be subject to change without notice