3WL1120-2NB66-4GA4-ZF12R21T40

Product ID:166455
Updated: 2026/4/24
Siemens 3WL1120-2NB66-4GA4-ZF12R21T40

Key Features

  • 1Support up to 2000 A at 690 V AC for robust power distribution. 2、Deliver superior protection with an Icu rating of 55 kA at 500 V. 3、Operate flexibly via motorized or manual spring charging mechanisms. 4、Monitor system status and adjust LSI protection via a graphic display. 5、Connect seamlessly with PROFINET IO, Modbus TCP, and metering modules.
Product Details
3WL1120-2NB66-4GA4-ZF12R21T40
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Lifecycle
P.M300
Country of Origin
China
ECCN
9N9999
AL
N
Model Number
3WL1120-2NB66-4GA4-ZF12R21T40

Specifications may be subject to change without notice