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SiemensAir Circuit Breaker
Product Model

3WL1120-3FB66-4GS4-ZK07R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

214731

In Stock
Last updated: 2025/5/14
View Specifications
Siemens 3WL1120-3FB66-4GS4-ZK07R21T40

Selling Points

  • 1High Current Rating: Handles up to 2000A with a voltage range of 690V AC50/60Hz.
  • 2Advanced Overcurrent Protection: Features Icu=55kA at 500V for reliable circuit protection.
  • 3Compact Design: Ideal for space-constrained applications with a guide frame.
  • 4Rear Connection: Simplifies installation with a horizontal rear connection.
  • 5Enhanced Safety: Meets IEC standards for secure electrical operations.
Product Details
3WL1120-3FB66-4GS4-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
3WL1120-3FB66-4GS4-ZK07R21T40

Specifications may be subject to change without notice