Pairing type: male plug + female socket; Connection mode: one-click button plug/unplug power; Locking: automatic insertion, self-locking device; Protection level: IP68 (2M/2H) when paired; Assembly: solder. Cable standard: 2.5–4.0mm / 14–12AWG; Cable diameter range: 8.0–12.0mm; Contact diameter x number: 2.7x2; Durability: up to 1900 mating cycles. Electrical characteristics: Rated current: 20A; Operating voltage (AC V RMS): 500V; Puncture test: 2500V; Contact resistance: less than 1M ohm; Insulation resistance: 1000M ohm; Do not connect or disconnect under load. Material properties: Shell material: high-performance PBT plastic; Temperature range: -40°C to 80°C; High-temperature aging: 85°C for 168 hours; Temperature rise: 20A at 30K; 25A at 40K; 30A at 50K; Flame retardant rating: UL94 V-0; Sealing: high-quality silicone ring; Contact core: copper alloy with gold plating. Widely used in various demanding environments. Suitable for mechanical, server, photovoltaic, energy storage, power grid, automotive, marine, communication, detection, measurement, industrial control, audio-visual, and stage equipment applications. Type: 7 Pin; Color: Black; Material: Plastic. Package Contents: 1 x connector. Note: Light reflection and display differences may cause slight variations in color between the image and actual item. Measurement error allowed is +/- 1–3 cm.