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42021 / 42022 / 63080 Automotive 15-Pin 6.3mm Waterproof Connector Kit — Car & Boat Electrical Plug
42021 / 42022 / 63080 Automotive 15-Pin 6.3mm Waterproof Connector Kit Car & Boat Electrical Plug
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42021 / 42022 / 63080 Automotive 15-Pin 6.3mm Waterproof Connector Kit — Car & Boat
The 42021 (male plug) and 42022 (female socket) are 15-pin 6.3mm pitch waterproof connector components from the 63080 series, designed for high-current sealed wiring harness applications in automotive and marine environments. The 6.3mm terminal pitch provides a current rating of up to 15A per terminal — making this connector suitable for power distribution, motor control, and high-current sensor circuits that exceed the capacity of standard 2.8mm or 1.5mm signal connectors. The sealed design with individual wire seals provides IP67 moisture protection for underbody, marine, and outdoor wiring applications.
The 63080 series is widely used in elevator control panels, industrial machinery, marine wiring harnesses, and automotive power distribution applications where a high-current multi-pin sealed connector is required. The 15-pin configuration provides sufficient circuit density for complex power distribution assemblies combining multiple high-current circuits in a single connector interface.
Key Specifications
| Parameter | Value |
|---|---|
| Part Numbers | 42021 (male) / 42022 (female) / 63080 (series) |
| Pin Count | 15-pin |
| Terminal Pitch | 6.3mm |
| Current Rating | Up to 15A per terminal |
| Total Current Capacity | Up to 225A (15 pins × 15A) |
| Sealing | Waterproof (IP67) |
| Housing Material | PA66 glass-filled nylon |
| Terminal Material | Tin-plated copper alloy |
| Wire Range | 0.5–2.5mm² (20–14 AWG) |
| Operating Temperature | -40°C to +125°C |
| IP Rating | IP67 (dust-tight, 1m immersion) |
| Compliance | RoHS |
6.3mm Terminal Series — High-Current Connector Applications
- 15A per terminal — the 6.3mm terminal pitch is the highest-current standard automotive terminal; suitable for ignition coils, fuel injectors, blower motors, and power distribution circuits
- IP67 sealed for marine use — the 63080 series sealed design meets IP67 requirements for temporary immersion; suitable for bilge pump wiring, outboard motor harnesses, and underdeck marine wiring
- 15-pin for complex power distribution — combines multiple high-current circuits (motor power, heating elements, actuators) in a single connector interface, reducing harness complexity
- Elevator and industrial compatibility — the 63080 series is also used in elevator control panels and industrial machinery where a high-current sealed multi-pin connector is required
Typical Applications
- Automotive high-current power distribution connector
- Marine wiring harness connector (bilge pump, outboard motor, navigation lights)
- Elevator control panel wiring connector
- Industrial machinery power distribution
- RV and caravan 12V power distribution wiring
- Custom high-current multi-circuit wiring harness fabrication
Frequently Asked Questions
Q: Can I use the 63080 series connector for a 24V marine application?
Yes — the 63080 series connector is rated for the voltage levels used in both 12V and 24V automotive and marine applications. The 15A per terminal current rating applies regardless of voltage. For 24V applications, ensure the wire gauge is appropriate for the current load — use 1.5–2.5mm² (16–14 AWG) for circuits drawing 10–15A at 24V.
Q: How do I achieve IP67 sealing with the 63080 connector?
IP67 sealing requires: (1) correct wire seals installed on each wire before crimping, (2) properly crimped terminals with the wire seal seated against the terminal insulation barrel, (3) terminals fully inserted into the housing until the locking tab clicks, and (4) the connector mating face seal correctly seated when the male and female halves are fully engaged. Any of these steps done incorrectly will compromise the IP67 rating. Inspect the wire seals for tears or deformation before assembly.
Q: What is the maximum total current for a 15-pin 63080 connector?
The theoretical maximum is 15A × 15 pins = 225A, but in practice the housing thermal limit restricts total current to approximately 60–80A when all pins are loaded simultaneously. For high-total-current applications, distribute the load across multiple connectors or use a connector with a higher housing current rating. For most automotive and marine applications where individual circuits draw 5–15A, the 63080 series handles the load comfortably.
