M20 Waterproof Connector IP68 2 3 4 5 Pin Straight Type Lock Wire Power Supply Connector
The M20 Inline Weatherproof Connector is a tubular power and signal interface featuring a straight barrel body with M20×1.5 threaded locking nuts at both ends. This straight-through coupler links two cable sections end-to-end while maintaining IP67/IP68 protection, serving as a reusable, field-terminable extension joint for outdoor and industrial applications.
- Custom-length cable splicing with full sealing protection
- IP67 baseline / IP68 upgrade when locked against rain, high-pressure spray, and flooding
- 20A capability in compact 20mm housing for power applications
- Field-ready screw terminals accepting 0.5-2.5 mm² (24-14 AWG) wires
- Keyed polarity protection to prevent connection errors
- Heavy-duty contacts and casing with copper alloy pins
- Reusable design for maintenance and equipment servicing
- Vibration-resistant threaded fastening for industrial environments
| Parameter | Specification |
|---|---|
| Thread Size | M20 × 1.5 (PG13.5 compatible) |
| Body Type | Straight inline / axial (I-type) |
| Number of Pins | 2 / 3 / 4 / 5 |
| Rated Voltage | 300 V AC/DC (2/3-pin), 250 V (4-pin), 110 V (5-pin) |
| Rated Current | 20 A (2/3-pin), 12 A (4-pin), 5 A (5-pin) |
| Contact Resistance | ≤ 5 mΩ |
| Insulation Resistance | ≥ 100 MΩ @ 500 V DC |
| Protection Rating | IP67 standard / IP68 optional (when coupled) |
| Cable OD Range | 5-12 mm (depends on gland insert) |
| Operating Temperature | -40 °C to +85/+105 °C |
| Housing Material | PA66+GF, UL94-V0 |
| Approvals | CE, RoHS, UL/CCC options per SKU |
Versus splice box plus glands: 60% less volume, no internal water pool, light-tool field hookup, reusable design
Versus shrink tubing plus taped joint: Maintains IP rating for years, inspectable, reopenable
Versus M12 inline coupler: 5× the current rating (20A vs 4A), broader cable diameter acceptance
Versus ready-made extension cables: Customizable length on site, repairable, single SKU covers all distances
- Outdoor LED and roadway lighting systems
- Solar and battery systems including PV string lengthening
- Factory automation and sensor cable extensions
- Security and smart city equipment installations
- Marine, caravan, and agricultural applications
- Entertainment and temporary outdoor power feeds
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