3WL1108-3NB66-4GA4-ZF12R21T40

Product ID:216429
Updated: 2026/4/7
Siemens 3WL1108-3NB66-4GA4-ZF12R21T40

Key Features

  • 1Handle up to 800A current with a 690V rating for robust power distribution. 2、Enhance safety via a secure rear connection and horizontal overcurrent release design. 3、Install flexibly in both fixed and withdrawable configurations for versatile application. 4、Protect circuits precisely with the advanced ETU 25 LSI trip unit technology. 5、Withstand harsh operating conditions thanks to a durable and resilient construction.
Product Details
3WL1108-3NB66-4GA4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1108-3NB66-4GA4-ZF12R21T40

Specifications may be subject to change without notice