The Siemens SIRIUS 3RW4966-8VX30 is a replacement fan specifically designed for the 3RW446 series soft starters. It runs on 115 V AC and mounts on the front of the unit, making it a direct swap when the original fan fails.
Siemens 3RW4966-8VX30 SIRIUS Soft Starter Fan, 115 V AC
MPN3RW4966-8VX30
Siemens SIRIUS fan, 3RW4966-8VX30, for 3RW446 soft starters, 115 V AC, front-mount design.
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | Fan |
| Product brand name | SIRIUS |
| Parameter | Value |
|---|---|
| Product category | Fan |
| Design of the product | Can be used for 3RW446. (for mounting on front)/115 V AC |
| Substance prohibitance | 05/01/2012 |
Product details
Frequently asked questions
Is 3RW4966-8VX30 compatible with my 3RW446 soft starter?
Yes, the 3RW4966-8VX30 is designed for use with SIRIUS soft starters of the 3RW446 series, specifically the variants with a BC3 designation. It mounts on the front of the unit and operates on 115 V AC.
Can I use a different fan model as a replacement for 3RW4966-8VX30?
The 3RW4966-8VX30 is the dedicated fan for the 3RW446 series soft starters with a BC3 designation. Using a different fan would require verifying the voltage (115 V AC), mounting interface, and airflow requirements against the soft starter's specifications.
MPN
3RW4966-8VX30