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SiemensAir Circuit Breaker
Product Model

3WL1120-3FB66-4GA4-ZF12R10R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

140644

In Stock
Last updated: 2025/4/28
View Specifications
Siemens 3WL1120-3FB66-4GA4-ZF12R10R21T40

Selling Points

  • 1High Current Rating: Handles up to 2000 A with 690 V AC.
  • 2Enhanced Safety: Features an overcurrent release ETU 25 for reliable protection.
  • 3Flexible Connection: Rear horizontal connection for easy installation.
  • 4High Interrupting Capacity: Icu=66 kA at 500 V for efficient energy management.
  • 5Durable Design: Constructed with a slide-in module frame for long-lasting performance.
Product Details
3WL1120-3FB66-4GA4-ZF12R10R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-3FB66-4GA4-ZF12R10R21T40

Specifications may be subject to change without notice