Jump to content

Advice on electrics


Recommended Posts

Ive got a sureflow 100psi 5.5lpm pump and fittings, ive got a DA Components controller.

Im gonna get the £95 115ah leisure battery from Halfords.

Ive been told ill need inline fuse holder, fuses, wire connectors, battery terminal connectors, ive got  no idea what any of these bits are could anybody point me in right direction and what size fuses do i need.

Link to post
Posted (edited)

Halfords will have them in store but at present they're doing click and collect only so you can't browse.

To be fair, if you're just running the pump directly from the battery, there isn't really much that could go wrong to draw excess current anyway. The only time it could really happen is you get a blockage, the motor wants to stop but the 12V keeps pushing it round and so the motor draws more current. As this happens, the more current that flows through the + and - terminals, the hotter the battery can become - and / or the pump motor - both of which could then burst into flames. Typical example of this would be a hose that gets kinked blocking flow completely. If you're using a controller though that's another level of complexity so you'll need them both on seperate fuses - assuming the controller doesn't have a fused output for the pump..

To be safe though, you're best off finding out how much max current it should draw and then fitting a fuse to that value. They're typically rated to slightly higher than what they state anyway so if you buy a 5A fuse for 5A, it'll probably blow at 6A after a few seconds - they don't go instantly as they basically get red hot then melt thus breaking the connection.

There are several types of inline fuse holder - and it depends if you want to mount it on the wall of your van or literally break the wire and fit it "inline". Here's some links to ebay searches for you:

Inline fuse holder: https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=inline+fuse+holder&_sacat=0 - obviously it depends which type you get as to which type of fuses you buy as there's different shapes / sizes

Battery terminals: https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=leisure+battery+terminals&_sacat=0

Terminal blocks (for connecting wires): https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=terminal+block&_sacat=0

Edited by Tango
Link to post
20 hours ago, Tango said:

Halfords will have them in store but at present they're doing click and collect only so you can't browse.

To be fair, if you're just running the pump directly from the battery, there isn't really much that could go wrong to draw excess current anyway. The only time it could really happen is you get a blockage, the motor wants to stop but the 12V keeps pushing it round and so the motor draws more current. As this happens, the more current that flows through the + and - terminals, the hotter the battery can become - and / or the pump motor - both of which could then burst into flames. Typical example of this would be a hose that gets kinked blocking flow completely. If you're using a controller though that's another level of complexity so you'll need them both on seperate fuses - assuming the controller doesn't have a fused output for the pump..

To be safe though, you're best off finding out how much max current it should draw and then fitting a fuse to that value. They're typically rated to slightly higher than what they state anyway so if you buy a 5A fuse for 5A, it'll probably blow at 6A after a few seconds - they don't go instantly as they basically get red hot then melt thus breaking the connection.

There are several types of inline fuse holder - and it depends if you want to mount it on the wall of your van or literally break the wire and fit it "inline". Here's some links to ebay searches for you:

Inline fuse holder: https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=inline+fuse+holder&_sacat=0 - obviously it depends which type you get as to which type of fuses you buy as there's different shapes / sizes

Battery terminals: https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=leisure+battery+terminals&_sacat=0

Terminal blocks (for connecting wires): https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=terminal+block&_sacat=0

Thats banging advice mate thanks.

I opened the controller that i got months ago and theres everything i need and fuse and connectors lol.

I got my 110ah battery today from local place as Halfords is a ball ache to get to.

Link to post

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.