IP68 Waterproof Male Female Wire Connector 9 Pin 6 Pin Aviation Plug Connector
The SP13 Waterproof Aviation Connector is a compact, threaded-coupling circular interconnect in the well-known SP (Shell Push-lock / Pintail) family, built around a 13 mm nominal shell diameter. Despite the name "aviation plug", it is widely used as a general-purpose outdoor/industrial sealed connector for low-to-mid power and multi-signal wiring where an M12 is too small and an M20/M25 is overkill.
It ships as a cable plug + panel/rear-nut socket pair (straight style), with solder-cup, screw, or crimp contacts, and delivers IP68 sealing when mated—dust-tight and immersion-safe beyond 1 m. The SP13 is the value leader of the SP series (SP13 / SP17 / SP21): same twist-lock logic, smaller footprint, lower cost than metal aviation plugs, and fully intermateable across common SP1310 / SP1311 / SP1312 sub-types from major Chinese/EU makers (Weipu-compatible).
- IP68 sealed, not just IP67: Dual O-ring at coupling face + rear cable grommet; survives 1 m+ continuous immersion, hose-down, salt spray, condensation
- 13 mm slim body, 2-9 pins in one footprint: Covers LED power, 24 VDC sensor clusters, RS-485/CAN, and mixed power+signal on one barrel
- Threaded twist-lock, glove-friendly: M13-class coupling nut, align keyway → screw down → locked; anti-vibration for drones, AGV, solar tracker, marine helm
- Field solder or screw termination: Accepts 4-6.5 mm or 5-8 mm cable OD; no crimp gun mandatory for most SKUs
- Gold-plated brass contacts, ≤5 mΩ: PPS insert rated to 260 °C, PA66/PC shell UL94-V0, -40 °C to +85 °C, 500+ mating cycles, CE/RoHS
- Panel + inline options: Front/rear panel nut socket, inline cable-to-cable coupler, 2-hole flange—one family fits enclosure faceplate and harness mid-span
- Metal-free plastic shell = no galvanic corrosion, lighter BOM vs aluminum GX12/GX16, at 1/3 the price of metal aviation plugs
| Shell Size | 13 mm nominal |
| Pin Counts | 2 / 3 / 4 / 5 / 6 / 7 / 9 |
| Rated Current | 13 A (2/3P), 5 A (4-7P), 3 A (9P) |
| Rated Voltage | 250 V AC (2/3P), 200 V (4/5P), 125 V (6/7/9P) |
| Withstand Voltage | 1500 V AC (2-5P), 1000 V (6-9P) / 1 min |
| Contact Resistance | ≤ 2 mΩ (2/3P), ≤ 5 mΩ (4-7P), ≤ 10 mΩ (9P) |
| Insulation Resistance | ≥ 2000 MΩ @ 500 V DC |
| Protection Rating | IP68 mated |
| Cable OD | 4-6.5 mm / 5-8 mm (two gland sets) |
| Wire Size | ≤ 2 mm² (2/3P), ≤ 0.785 mm² (4-9P) |
| Operating Temperature | -40 °C to +85 °C (plastic build) |
| Shell Material | PA66 / PC, UL94-V0 |
| Insert Material | PPS, 260 °C peak |
| Mating Cycles | ≥ 500 |
| Certifications | CE, RoHS |
- vs M12: Bigger pins (13 A vs 4 A), up to 9 pins, larger cable OD, same IP68 logic
- vs metal GX12/GX16 aviation plug: IP68 sealed (GX is often non-sealed), no rust, 60-70% cheaper, lighter
- vs RJ45 + silicone tape: True keyed circular lock, survives washdown and vibration, no port flapping
- vs heat-shrink butt splice: Re-openable, inspectable, polarized, 500-cycle rated
- Outdoor LED & signage: luminaire power+dimming, landscape light chains, streetlight controller faceplate
- Solar & storage: PV combiner aux, charge controller board feed, off-grid 12/24 V bus taps
- Industrial automation: sensor clusters, RS-485/CAN nodes, IO-Link edge boxes, encoder extensions
- Robotics / drones / AGV: tool-side power+signal, UAV gimbal harness, mobile robot skin ports
- Marine & RV: bilge pump feeds, deck lighting, helm control cables (fresh-water / splash rated)
- Stage, event, medical carts: temporary outdoor audio, portable monitor power, cart battery disconnect
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