J599HV High-Voltage, High-Current Circular Connectors, up to 300 A
Up to 300 A · 3500 V withstanding · IP65 · HV interlock option
Connectors for Power Electronics and Energy Storage
Inverters, battery systems and drives combine high voltage and current with liquid cooling in compact enclosures.
J599HV carries up to 300 A with 3500 V withstanding voltage and an optional HV interlock; LTK-T and TSA fluid connectors couple cooling loops; SYRMD and J30J mixed-power connectors bring power and signal through one board connector.
What the connectors must handle
High current
Power contacts from 80 A to 300 A; feedthrough studs to 1000 A.
Safety
HV interlock option and 3500 V withstanding voltage.
Cooling
Double-sealed quick-disconnect fluid connectors to 94 L/min.
Board level
Mixed power/signal rectangular and Micro-D connectors.
Recommended series
EV01 Push-Pull High-Power EV Connectors, 30 to 300 A
30–300 A · IP67 · 5000 cycles · push-pull
QHT02C Push-Pull Single-Pole 300 A EV Connectors, 1000 VAC
300 A · 1000 VAC · push-pull · IP67
EV02 Battery-Swap Connectors, 250 A, Floating Mount
Battery swap · 250 A · ±5 mm float · 10,000 cycles
TSA Bayonet Fluid Connectors for Liquid Cooling, 3 to 20 mm
Bayonet · 3–20 mm bores · 1000 cycles · low spillage
LTK-T Push-Pull Fluid Connectors for Liquid Cooling, to +175 °C
Push-pull bayonet · double seal · 20 bar · −55 to +175 °C
SYRMD Mixed-Power Rectangular PCB Connectors, 13 A and 23 A
Power + signal · 13 A / 23 A power contacts · 1.905 mm
J30J Mixed-Power Micro-D Connectors, 20 A Power + 3 A Signal
20 A power + 3 A signal · micro-D size · twist-pin signal contacts
XCD Bayonet Power Connectors, 25 to 300 A per Contact
Power only · 25–300 A per contact · hyperboloid sockets · bayonet
KH High-Current Circular Connectors, 5 to 800 A
5–800 A per contact · 400 V · 30 layouts · hermetic bulkhead version
Custom Cable Assemblies and Wire Harnesses
Our connectors · your cable and length · sealed, shielded, high-power
All series can be customized — contact counts, cable lengths, materials and finishes.
From sample to production
Send your requirement
Part number, drawing, pin-out or a short description of your application.
Configuration and quote
Our engineers match the configuration and reply with a drawing and quotation.
Samples
Samples are made to your order. Third-party testing to your specification is available on request.
Your approval
You test the samples in your own equipment and approve them.
Series production
Production follows the approved sample configuration.
Need a quote or a drawing?
Send your part number, pin-out or drawing. An engineer will reply by email.