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SiemensAir Circuit Breaker
Product Model

3WL1120-3NB66-4GP4-ZK07R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

212028

In Stock
Last updated: 2025/5/14
View Specifications
Siemens 3WL1120-3NB66-4GP4-ZK07R21T40

Selling Points

  • 1High Current Rating: Handles up to 2000 A with 690 V AC.
  • 2Enhanced Safety: Features Icu=66 kA at 500 V for robust overcurrent protection.
  • 3Flexible Connection: Rear horizontal connection for easy installation.
  • 4Durable Design: Constructed with a guide frame for reliable operation.
  • 5Versatile Application: Suitable for various industrial settings with AC 50/60 Hz operation.
Product Details
3WL1120-3NB66-4GP4-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
3WL1120-3NB66-4GP4-ZK07R21T40

Specifications may be subject to change without notice