HV Connector Safety Disconnect Female
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The panel mounting half of a manual high voltage service disconnect, rated 1000 V DC and 300 A, with an interlock. It mounts on the pack and the plug pulls out of it.
Every high voltage system needs a point where someone working on it can break the circuit themselves and see that it is broken. This is the fixed half of that point: it goes through the enclosure wall, carries the pack side connections behind it, and presents the socket that the disconnect plug locks into.
The interlock runs through this half too. A signal loop is complete only while the plug is fully home. Wired into your BMS or contactor control, it opens the contactors as soon as the plug starts to move, so the power contacts never part under current.
Mount it where a person can reach it. A service disconnect behind a seat or under a bonded cover is one that will not be used in the situation it exists for.
Key specifications
| Manufacturer part | DLQ4-Z |
|---|---|
| Type | Service disconnect receptacle, the fixed half |
| Rated voltage | 1000 V DC |
| Rated current | 300 A |
| Interlock | Yes, first to break |
| Ingress protection | IP67 |
| Mounting | Panel mount |
| Mates with | DLQ4-T, the disconnect plug |
| Weight | 0.2 kg |
Features
- Panel mount, so the disconnect becomes part of the enclosure rather than something hanging off it
- High voltage interlock that opens the contactors before the power contacts part
- Rated 1000 V DC and 300 A
- IP67 sealed when mated
Compatibility
Takes the DLQ4-T disconnect plug. You need both unless you are replacing one side of an existing pair.
For EV traction packs, energy storage and industrial DC systems up to 1000 V and 300 A.
Position it so it can be reached and pulled quickly, and so that the plug, once out, cannot be put straight back by someone who did not take it out.
In the box
- 1 x service disconnect receptacle
Downloads
A 3D CAD model in STEP format is in the Documents tab. Use it to check the panel cut out and the space needed behind it.
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