This blower fan have 2 version.

1-2 pictures is the first version, have a lable AB05012DX200300 on it.

3-6 pictures is another version, have a lable BUB0512HD-C on it.

7-8 picturers is the contrast between them

I will send them randomly according my stock.

MS524 use only. 

Projector repair reference:

lamp light up then shut up after few minutes,  usually it is this fan got problem.

if you met other problem or need other parts, feel free to ask. 

Technical support and parts supply always available.