J599 Series III Circular Connectors (38999 Series III Type)
38999 Series III type · shell sizes 9–25 · 184 insert arrangements
38999 Series III-Type Power Connectors, 33 to 225 A
33–225 A · 38999 Series III shell · marine grade
These connectors use the 38999 Series III shell and threaded coupling for high-current power between equipment. Contacts range from size 10 (33 A) to size 4/0 (225 A), with solder-cup or crimp terminations and aluminum, stainless or titanium shells in marine-grade construction.
- Current rating
- 33–225 A
- Contacts
- Size 10 to 4/0
- Withstanding voltage
- 1500 V
- Temperature
- −65 to +200 °C
Key features
- 38999 Series III-type shell and triple-start thread
- Power contacts size 10 (33 A) to 4/0 (225 A)
- Solder-cup or crimp termination
- Aluminum (olive-drab cadmium), stainless or titanium
- Hermetic receptacles ≤ 1 × 10⁻⁸ Pa·m³/s at 0.1 MPa
Specifications
| Parameter | Value | Condition |
|---|---|---|
| Withstanding voltage | 1500 / 800 / 200 V | Room temperature / high temperature / humidity |
| Insulation resistance | ≥ 5000 / ≥ 1000 / ≥ 20 MΩ | Room temperature / high temperature / humidity |
| Parameter | Value | Condition |
|---|---|---|
| Sine vibration | 10–2000 Hz, 20 g | |
| Random vibration | 50–2000 Hz, 0.6 g²/Hz | |
| Shock | 980 m/s² | |
| Durability | 500 mating cycles | |
| Altitude | ≤ 30,480 m | |
| Hermetic leak rate | ≤ 1 × 10⁻⁸ Pa·m³/s | 0.1 MPa |
GJB 599A Series III (type) — Shell dimensions.
Values not listed above — for example vibration level, leak rate or other environmental tests — can be tested to your requirements, including third-party testing. Specifications are subject to change; contact us for the current datasheet.
Power contacts
| Size | Current | Wire | Contact resistance | Solder cup Ø |
|---|---|---|---|---|
| 4/0 | 225 A | 95 mm² (AWG 0000) | ≤ 0.09 mΩ | 12 mm |
| 2/0 | 185 A | 65 mm² (AWG 00) | ≤ 0.10 mΩ | 12.7 mm |
| 0 | 150 A | 50 mm² (AWG 0) | ≤ 0.14 mΩ | 11.45 mm |
| 2 | 100 A | 30 mm² (AWG 2) | ≤ 0.17 mΩ | 8 mm |
| 4 | 80 A | 20 mm² (AWG 4) | ≤ 0.29 mΩ | 6.5 mm |
| 8 | 46 A | 8 mm² (AWG 8) | ≤ 0.57 mΩ | 4.5 mm |
| 10 | 33 A | 5 mm² (AWG 10) | ≤ 1.00 mΩ | 3.4 mm |
Shell materials and finishes
| Code | Shell material | Finish | Shell conductivity | EMI shielding | Temperature | Salt spray |
|---|---|---|---|---|---|---|
| W | Aluminum alloy | Olive-drab cadmium | — | — | −65 to +175 °C | Marine grade |
| K | Stainless steel | Passivated | — | — | −65 to +200 °C | Marine grade |
| TA | Titanium alloy | None | — | — | −65 to +200 °C | Marine grade |
Typical applications
- Power distribution between equipment
- Shipboard and offshore power
- Rail and industrial drives
- Test and ground power
Frequently asked questions
How much current per contact?
Size 10: 33 A; 8: 46 A; 4: 80 A; 2: 100 A; 0: 150 A; 2/0: 185 A; 4/0: 225 A.
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.
Related series
J599HV High-Voltage, High-Current Circular Connectors, up to 300 A
Up to 300 A · 3500 V withstanding · IP65 · HV interlock option