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SiemensAir Circuit Breaker
Product Model

3WL1110-3NB66-4GA4-ZF12R21T40

Manufacturer

Siemens

Category

Air Circuit Breaker

Product ID

185927

In Stock
Last updated: 2025/5/1
View Specifications
Siemens 3WL1110-3NB66-4GA4-ZF12R21T40

Selling Points

  • 1Designed for demanding industrial applications with high current ratings.
  • 2Ensures consistent operation with Icu=66kA at 500V.
  • 3Suitable for 3-pole, size I installations with rear connection horizontal.
  • 4Features overcurrent release for safe and efficient operation.
  • 5Compatible with various industrial settings, including those requiring T40 and R21 configurations.
Product Details
3WL1110-3NB66-4GA4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1110-3NB66-4GA4-ZF12R21T40

Specifications may be subject to change without notice