Ajax Systems 75753.11.BL siren, Black

Who this is for

For the installer — this is the siren supplied under Ajax Systems part number 75753.11.BL. Specify it by that part number.

In plain English: this is a siren made by Ajax Systems. The part number 75753.11.BL is the manufacturer's own code for this exact version of it.

Similar-looking items in the same family often differ only by a suffix on that code. If you are replacing something, match the code rather than the picture.

Buying this in the UK

We are a UK supplier and this siren is sold and shipped from the UK. Prices are shown in pounds sterling.

This item is non-returnable, excluding faulty goods.

The record for this part states no warranty term, so we do not quote one. Your statutory rights are unaffected either way.

Stock on this line moves, and lead times move with it. Ask us for the current position before you commit to a date on site.

Questions we get asked

Is this the exact siren I have been quoted? Check the manufacturer part number 75753.11.BL against your quote. That code is the only reliable identity for this item.

Is there a datasheet? Not on this listing. The documents available for it named only the wider family or a different item, and a near-miss document is a wrong document.

What if I order the wrong version? Tell us the installation you are matching and we will work back to the part number with you. That is a faster conversation than a return.