3WL1110-3NB66-4GA4-ZF12R21T40

Product ID:185927
Updated: 2026/4/20
Siemens 3WL1110-3NB66-4GA4-ZF12R21T40

Key Features

  • 1Deliver reliable protection in demanding industrial applications with high current ratings. 2、Ensure consistent operation with an Icu rating of 66kA at 500V. 3、Suit 3-pole, size I installations featuring rear horizontal connection. 4、Feature an overcurrent release for safe and efficient electrical operation. 5、Integrate seamlessly into systems requiring T40 and R21 configurations.
Product Details
3WL1110-3NB66-4GA4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters

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