
SHX15 Watertight Threaded Circular Connectors, Stainless Steel
0.5 MPa mated · stainless steel · contacts up to 40 A


Bayonet · hyperboloid sockets · 1–62 contacts · 240 h acid salt spray
XCA is a bayonet circular connector for marine equipment. Hyperboloid wire-spring sockets give smooth mating and low contact resistance; 32 standard layouts in nine shell sizes carry 1 to 62 contacts from 5 A to 40 A. Plugs, square- and round-flange receptacles, potted through-bulkhead receptacles and glass-sealed receptacles are available in aluminum or stainless steel.
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| Parameter | Value | Condition |
|---|---|---|
| Rated voltage / withstanding voltage | 500 V / 1500 V | Normal atmosphere |
| Rated voltage / withstanding voltage, damp heat | 500 V / 750 V (sealed), 500 V / 1125 V (standard) | |
| Rated voltage / withstanding voltage, 1 kPa | 150 V / 300 V (sealed), 250 V / 300 V (standard) | |
| Insulation resistance | ≥ 5000 MΩ / ≥ 100 MΩ | Normal atmosphere / damp heat |
| Parameter | Value | Condition |
|---|---|---|
| Coupling | Bayonet | |
| Durability | 500 mating cycles | |
| Vibration | 10–2000 Hz, 15 g | |
| Shock | 50 g | |
| Acceleration | 50 g |
| Parameter | Value | Condition |
|---|---|---|
| Operating temperature | −55 to +150 °C | |
| Relative humidity | Up to 95 % at 40 °C | |
| Altitude | 30,000 m | |
| Acid salt spray | 240 h | 35 ± 2 °C, 5 % NaCl, pH 3.5 ± 0.5; cycles of 24 h spray and 24 h drying |
| Acid atmosphere | 3 cycles of 2 h spray + 22 h storage, then 4 cycles of 2 h spray + 7 days storage | 35 ± 2 °C, 5 % NaCl, pH 3.5 ± 0.5 |
| Mold | 84 days, grade 1 or better | GJB 150A.10-2009 |
| Leak rate, through-bulkhead receptacle | ≤ 46 Pa·cm³/s | 5.07 × 10⁴ Pa differential |
| Leak rate, glass-sealed receptacle | ≤ 0.1 Pa·cm³/s | 1.52 × 10⁵ Pa differential |
| Parameter | Value | Condition |
|---|---|---|
| Shell | Aluminum alloy, olive-drab cadmium; or stainless steel, passivated | |
| Insulator | Thermoset plastic | |
| Grommet and seals | Rubber | |
| Contacts | Copper alloy, gold plated |
GJB 2889 — Chinese specification to which the XCA series is built.
Parameters not listed above — for example vibration level, leak rate or other environmental tests — can be tested to your requirements, including third-party testing.
| Contact | Crimp type | Color band | Crimp barrel ID (mm) | Wire (mm²) | AWG |
|---|---|---|---|---|---|
| Ø1 | A | Red | 1.0 | 0.20 / 0.35 / 0.50 | 22–20 |
| Ø1 | B | Blue | 1.3 | 0.75 | 20–18 |
| Ø1.5 | A | Red | 1.4 | 0.75 / 1.00 | 18 |
| Ø1.5 | B | Blue | 1.8 | 1.20 / 1.50 | 16–14 |
| Ø2 | A | Red | 2.1 | 2.00 | 14 |
| Ø2 | B | Blue | 2.5 | 2.50 / 3.00 | 12 |
| Ø3 | A | Red | 3.2 | 4.00 | 12 |
| Ø3 | B | Blue | 3.4 | 5.00 | 10 |
| Shell | Cable Ø (mm) | Length L (mm) |
|---|---|---|
| 14 | 7–8 | 23.5 |
| 18 | 7–8 | 23.5 |
| 22 | 10–13 | 27 |
| 24 | 10–13 | 30 |
| 27 | 10–13 | 30 |
| 30 | 12–18 | 35.5 |
| 33 | 12–18 | 35.5 |
| 36 | 16–23 | 40.5 |
| 39 | 16–23 | 40.5 |
| Series code | Version | Notes |
|---|---|---|
| XCA…T | Plug | |
| XCA…F | Square-flange receptacle | With or without rear thread |
| XCA…Y | Round-flange receptacle | Rear thread for backshells |
| XCA…S(1), S(2) | Potted through-bulkhead receptacle, square flange | S(1): sockets outside, pins inside; S(2): pins outside, sockets inside |
| XCA…S(3) | Potted through-bulkhead receptacle, jam nut, anti-rotation | Sockets outside, pins inside |
| XCA…F…M1…D40 | Glass-sealed square-flange receptacle | Stainless steel |
| XC-FJDMP / XC-FJWMP | Straight / 90° cable-clamp backshell | |
| XC-FJKMP-02 / XC-FJGWMP | Straight / 90° cable-tie backshell |
| Contact size | Engaging diameter | Contact resistance | Contact resistance (hermetic) | Current rating | Wire size |
|---|---|---|---|---|---|
| Ø1 | 1.0 mm | ≤ 4.5 mΩ | ≤ 9 mΩ (potted) / ≤ 13.5 mΩ (glass-sealed) | 5 A | 0.20–0.75 mm² (AWG 22–18) |
| Ø1.5 | 1.5 mm | ≤ 2.5 mΩ | ≤ 5 mΩ / ≤ 7.5 mΩ | 10 A | 0.75–1.50 mm² (AWG 18–14) |
| Ø2 | 2.0 mm | ≤ 1.25 mΩ | ≤ 2.5 mΩ / ≤ 3.75 mΩ | 20 A | 2.00–3.00 mm² (AWG 14–12) |
| Ø3 | 3.0 mm | ≤ 0.75 mΩ | ≤ 1.5 mΩ / ≤ 2.25 mΩ | 40 A | 4.00–5.00 mm² (AWG 12–10) |
XCA [shell][type][contacts][contact type] M [finish][key]
Example: XCA18T7Z1MP4(W) — Plug, shell 18, 7 contacts, gold-plated pins, marine environment, rear thread for backshell, aluminum olive-drab cadmium, key W
| Code segment | Options |
|---|---|
| Shell | |
| Type | |
| Contacts | |
| Contact type | |
| Finish | |
| Key |
Plugs are available with P4 or P40 only.
Add (B) for B-type crimp contacts for larger wire, for example XCA18T7Z1MP4(W)(B); without (B), A-type contacts are supplied.
Through-bulkhead receptacles: XCA[shell]S(1|2|3)[contacts]M1M[D4|D40][key]; glass-sealed receptacles: XCA[shell]F[contacts]M1MD40[key].
Cadmium finishes are not RoHS compliant and are supplied on request.
32 standard layouts, viewed from the mating face of the pin insert. The arrangement number is written as shell size – layout (for example 25-35).
32 layouts
| Arrangement | Contacts | Contact sizes |
|---|---|---|
| 14-1 | 1 | 1 × Ø3 |
| 14-2 | 2 | 2 × Ø1.5 |
| 14-3 | 3 | 2 × Ø1, 1 × Ø1.5 |
| 14-4 | 4 | 4 × Ø1 |
| 18-4 | 4 | 2 × Ø1, 2 × Ø3 |
| 18-5 | 5 | 5 × Ø1.5 |
| 18-7 | 7 | 7 × Ø1 |
| 22-10 | 10 | 6 × Ø1, 4 × Ø1.5 |
| 22-14 | 14 | 14 × Ø1 |
| 24-5 | 5 | 5 × Ø3 |
| 24-12 | 12 | 12 × Ø1.5 |
| 24-19 | 19 | 19 × Ø1 |
| 27-12 | 12 | 4 × Ø1, 8 × Ø2 |
| 27-19 | 19 | 14 × Ø1, 5 × Ø1.5 |
| 27-24 | 24 | 24 × Ø1 |
| 30-15 | 15 | 13 × Ø1.5, 2 × Ø2 |
| 30-19 | 19 | 10 × Ø1, 4 × Ø1.5, 3 × Ø2, 2 × Ø3 |
| 30-22 | 22 | 10 × Ø1, 6 × Ø1.5, 6 × Ø2 |
| 30-30 | 30 | 30 × Ø1 |
| 33-22 | 22 | 18 × Ø1.5, 4 × Ø2 |
| 33-27 | 27 | 17 × Ø1, 4 × Ø1.5, 2 × Ø2, 4 × Ø3 |
| 33-41 | 41 | 41 × Ø1 |
| 36-40 | 40 | 34 × Ø1, 4 × Ø1.5, 2 × Ø2 |
| 36-41 | 41 | 31 × Ø1, 10 × Ø1.5 |
| 36-55 | 55 | 55 × Ø1 |
| 39-16 | 16 | 16 × Ø3 |
| 39-35 | 35 | 16 × Ø1, 13 × Ø1.5, 2 × Ø2, 4 × Ø3 |
| 39-36 | 36 | 18 × Ø1, 6 × Ø1.5, 12 × Ø2 |
| 39-46 | 46 | 30 × Ø1, 12 × Ø1.5, 4 × Ø2 |
| 39-47 | 47 | 39 × Ø1, 4 × Ø1.5, 2 × Ø2, 2 × Ø3 |
| 39-51 | 51 | 43 × Ø1, 8 × Ø1.5 |
| 39-62 | 62 | 62 × Ø1 |
The socket is a cage of straight wires set at an angle so they form a hyperboloid. The pin is gripped along many lines of contact, giving low, stable resistance, low insertion force and good resistance to vibration.
Use the glass-sealed receptacle for the lowest leak rate (≤ 0.1 Pa·cm³/s), or a potted through-bulkhead receptacle when you need plugs on both sides of the bulkhead.
Part number, drawing, pin-out or a short description of your application.
Our engineers match the configuration and reply with a drawing and quotation.
Samples are built to order. The minimum order quantity is 10 pieces, and samples and production orders each take 4–8 weeks. Third-party testing to your specification is available on request.
You test the samples in your own equipment and approve them.
Production follows the approved sample configuration, with machining, molding, plating and assembly in our own Shenyang factory.
Send your part number, pin-out or drawing. Every inquiry is acknowledged by email within 1 business day, and an engineer follows up with a matched configuration, drawing or quotation.