REMA DIN320 Female Socket Battery Connector, 320A 150VDC, Acid-Resistant Grey Housing, for 50/70/95mm² Cable

Replacing the Socket Without Replacing the Charger

Sockets wear out on the truck while the charger lead stays in good condition, and that asymmetry is what makes a female-only socket useful. This REMA-style DIN 320 socket is rated 320A at 150V DC, moulded in black, IP20 guarded, and interchangeable with the REMA-style DIN 320 series.

Specifications

When Only the Socket Needs Changing

On a fleet where the charger lead is fixed and the truck-side socket takes the handling, the socket is usually the first half to go. Replacing it alone keeps the charger untouched, avoids re-terminating a lead that is still sound, and costs a fraction of a complete set.

Interchangeability with the REMA-style DIN 320 series means the new socket mates with the existing plug geometry, so the charger does not need to be modified to accept it.

• Female socket only, 320A at 150V DC
• Interchangeable with REMA-style DIN 320
• Black moulding, IP20 guarded
• Fits existing charger-side plugs

DC Rating and Why It Is Stated Separately

Direct current is harder on a contact than alternating current of the same nominal value, because there is no zero crossing to help extinguish an arc. A socket rated 150V DC at 320A is telling you what it will do on a battery circuit specifically, not a converted AC figure.

That matters when the same connector family is used across chargers of different designs: the DC figure is the one that applies to battery charging.

Fitting Notes

Check the cable section and the terminal type before cutting, crimp with the matched die, pull-test, then close the housing and confirm the latch engages. On a truck-side socket the mounting position matters as much as the crimp: a socket that sits where the lead bends sharply will fail at the terminal long before the contact wears.

Stock sockets ship in three to five working days, with tailored builds in five to seven days after payment.

Why 320A Sockets Fail Before the Plug Does

On a truck-side socket, three things happen that the charger-side plug avoids: the socket is mounted where the lead bends, it is mated at whatever angle the driver approaches, and it takes the weight of a cable being hung from it. The result is that the socket housing and its terminal entry wear out first, even though both halves carry the same current.

Replacing the socket alone is therefore a normal maintenance action, not a compromise.

Socket Replacement Checklist

Isolate the battery, note the cable routing before removal, cut the old socket off square and check the remaining length. Crimp with the matched die, pull-test the joint, mount the new socket so the lead enters without a sharp bend, then mate the existing plug once by hand to confirm engagement.

If the plug on the charger shows a discoloured contact face, it is worth replacing that too: a new socket mated to a worn plug will run warm from the first charge.

Colour and Identification

This socket is moulded in black, which makes it easy to distinguish from lighter-coloured connectors in a mixed bay. Where a site runs several voltage classes, colour is often the quickest check a driver can make before mating a lead.

Documentation and Repeat Supply

Certificate copies can be supplied for the markets the socket is sold into, and the lot reference travels with the carton so a warranty question can be traced to the run it came from. Repeat orders keep the same specification, which matters when a fleet is being maintained over several years.

Working With 150V DC Packs

Most battery charging circuits this socket suits are in the 24V to 150V DC band, which is why the rating is quoted as DC rather than AC. On a DC circuit, the contact has to carry current in one direction continuously, with no zero crossing to help clear a poor joint; that makes plating condition more important than on an AC connector of the same nominal rating.

Male and Female in the DIN Range

DIN320 covers both halves, and they are not interchangeable: the charger lead normally carries the plug, the truck carries the socket. Ordering the correct half avoids a return, and where both are worn, a complete set is the more reliable purchase.

Ordering the Correct Half

Sockets and plugs are separate part numbers. The charger lead carries the plug; the truck carries the socket. Where the whole set is being renewed, ordering both at once avoids the situation where a new socket is mated to a worn plug, which is exactly the combination that runs hot from the first charge.

For distributors, stock both halves in the same quantity so a customer is never sold a socket into a worn pair without the option of the plug beside it.

Frequently asked questions

Is this a socket only or a pair?
It is the female socket. The charger-side plug is ordered separately or as a complete set.

What is the DC rating?
320A at 150V DC.

Will it mate with my existing plug?
It is interchangeable with the REMA-style DIN 320 series, so it mates with those plugs.

What colour is supplied?
Black.