PowerCONs, waterproof cable glands, and waterproof aviation connectors are positioned on platforms at varying heights.

Waterproof Connector Manufacturer — IP65/IP68

Verchil is a specialized waterproof connector manufacturer producing IP65, IP67, and IP68-rated connectors engineered for harsh working conditions — moisture, dust, salt spray, outdoor exposure, and brief immersion.
Every waterproof connector is built with corrosion-resistant zinc alloy or engineering plastic housings, double O-ring sealing structures, and anti-mismating keyway designs. Standard models meet IP65 protection out of the box; outdoor and marine-grade SKUs reach IP67 and IP68 with full immersion test reports from third-party labs.
Trusted by outdoor LED display installers, marine electronics integrators, EV charging station OEMs, stage lighting rental companies, and mobile machinery manufacturers across 70+ countries, Verchil delivers stocked standard SKUs in 7 days, full OEM/ODM customization, and engineering support for projects that require custom pin configurations or specialty sealing geometries.

Explore Our Waterproof Connector Categories

PowerCON Product portfolio images

PowerCon

Latching AC power connectors rated for 20A–32A current and IP54/IP65 splash protection. The blue (input) and gray (output) variants prevent reverse mating, and the locking latch eliminates accidental disconnection on stage and outdoor power runs. Compatible with Neutrik NAC3 standard.

Waterproof Cable Gland Product portfolio images

Waterproof Cable Gland

Plastic and metal cable glands in PG, M-thread, and NPT formats. Forms an IP65 to IP68 seal where cables enter enclosures, junction boxes, and panels. Available in nylon, brass, and stainless steel for indoor, outdoor, marine, and explosion-proof environments.

Waterproof Aviation Connector Product portfolio images

Waterproof Aviation Connector

Circular multi-pin connectors with threaded coupling and dual O-ring sealing. M-series (M5/M8/M12), SP, GX, and Y-series formats covering 2 to 26 pins for power, signal, and hybrid cabling. IP67/IP68 rated for outdoor, marine, and mobile machinery use.

What Is a Waterproof Connector?

What Is a Waterproof Connector

A waterproof connector is an electrical or signal connector engineered to maintain reliable electrical contact while preventing the ingress of water, dust, and other contaminants. Unlike standard indoor connectors, a true waterproof connector achieves protection through three integrated design elements: a sealed mating interface (typically with one or more O-rings compressed between mating halves), a sealed cable entry (a gland or molded strain relief that prevents water migration along the cable), and a corrosion-resistant housing (zinc alloy, stainless steel, or UV-stabilized engineering plastic).

The waterproof performance is formally measured using the IP (Ingress Protection) rating system defined in IEC 60529. The two digits in an IP rating describe protection against solids (first digit, 0–6) and liquids (second digit, 0–8). Most professional waterproof connectors target IP65 (dust-tight + water jet protection), IP67 (temporary immersion up to 1 meter for 30 minutes), or IP68 (continuous submersion under defined conditions).

Beyond the IP rating, a high-quality waterproof connector must address three additional environmental challenges: temperature cycling (typical operating range −40°C to +85°C), salt-spray corrosion (critical for marine and coastal installations), and UV resistance (essential for permanently installed outdoor equipment). A connector that meets IP67 but fails after six months of UV exposure is not suitable for outdoor use — the full environmental specification matters more than the IP rating alone.

Types of Waterproof Connectors — A Complete Comparison

Waterproof connectors are grouped by their primary function: power distribution, cable entry sealing, and signal/hybrid interconnection. Each family targets different IP ratings, current capacities, and installation methods. The table below summarizes the most common types specified across stage, outdoor, marine, and industrial applications.

Types of Waterproof Connectors — Comparison by IP Rating, Capacity and Application
ConnectorIP RatingCapacity / PinsTypical Application
PowerCon (NAC3)IP54 / IP6520A / 250V ACStage power, outdoor PA, mobile rigs
PowerCon TRUE1IP6516A / 250V AC, lockingStage, broadcast, outdoor events
Cable Gland (PG/M)IP65 – IP68Cable sealing onlyEnclosure entry, junction boxes
M5 / M8 AviationIP673–8 pins, low signalSensors, automation, small devices
M12 AviationIP67 / IP683–17 pinsIndustrial Ethernet, sensors, fieldbus
SP Series (SP13/16/17/20/21)IP682–26 pinsOutdoor LED, lighting, machinery
GX Series (GX12/16/20)IP672–10 pinsAudio, signal, low-current outdoor
Y Series CircularIP672–24 pinsHeavy-duty signal, power-hybrid
RJ45 WaterproofIP65 / IP68Cat6 EthernetOutdoor IP cameras, PoE devices

PowerCon Connectors are the dominant standard for portable AC power distribution in professional audio, stage lighting, and outdoor event power runs. The latching mechanism prevents accidental disconnection under cable tension — critical when feeders run across a busy stage. Verchil supplies NAC3 (20A) and TRUE1-compatible (16A locking) variants in both panel-mount and cable-end formats. For a full breakdown of power-side selection, our Waterproof Cable Connectors Selection Tips guide covers the practical decision criteria.

Waterproof Cable Glands are not connectors in the strict sense but accessory sealing components that secure cables passing through enclosure walls. Without a proper gland, water migrates along the cable jacket into the box and corrodes everything inside. Verchil supplies nylon glands (cost-effective for indoor and protected outdoor use), brass glands (corrosion-resistant for marine and chemical environments), and stainless steel glands (for high-temperature and explosion-proof zones).

Circular Aviation Connectors are the most versatile waterproof family — used everywhere multi-pin power, signal, or hybrid cabling needs to be reliably disconnectable in the field. Verchil’s series covers SP (rugged outdoor, IP68), GX (mid-range signal/power), M12 (industrial automation standard), and M5/M8 (compact sensor-level) form factors. Pin counts range from 2 to 26, supporting current up to 30A per pin.

For specific pin-count guides, see:

RJ45 Waterproof Connectors are technically part of the Network Connector category but share the same IP65/IP68 sealing principles. Used for outdoor Ethernet, PoE-powered IP cameras, and industrial networking. See our RJ45 Waterproof Connector Outdoor Protection guide for full details.

Types of Waterproof Connectors

IP Ratings Explained — Choosing the Right Protection Level

The IP rating (Ingress Protection) is the single most important specification when sourcing a waterproof connector. Defined by IEC 60529, the rating uses two digits: the first digit (0–6) describes protection against solid objects and dust; the second digit (0–8) describes protection against water ingress. Higher numbers indicate stronger protection.

IP Ratings Explained — Solid and Water Protection Levels for Connectors (IEC 60529)
IP RatingSolid ProtectionWater ProtectionPractical Meaning
IP54Limited dustSplashing waterIndoor with occasional spray (kitchens, light wash-down)
IP65Dust-tightWater jets (6.3mm nozzle)Outdoor protected (under eaves, junction boxes)
IP66Dust-tightPowerful water jets (12.5mm nozzle)Outdoor exposed, ship decks, heavy rain
IP67Dust-tightTemporary immersion (1m, 30 min)Direct rain, brief flooding, vehicle exterior
IP68Dust-tightContinuous submersion (specified depth)Underwater installations, marine fittings, pools
IP69KDust-tightHigh-pressure hot waterFood processing, vehicle washing
IP Ratings Explained — Choosing the Right Protection Level

Rule 1 — Don’t over-spec. Choosing IP68 when IP65 is sufficient adds 30–60% to connector cost and often increases mating size and weight. For a wall-mounted outdoor junction box under an eave, IP65 is enough.

Rule 2 — Don’t under-spec. A common mistake is installing IP65 connectors in environments that see direct high-pressure cleaning (food processing, vehicle wash bays). The water jet at close range exceeds IP65 limits and causes ingress. For these scenarios, IP69K is the correct specification.

Rule 3 — IP rating is not waterproof, it’s water-resistant. Even IP68 connectors are rated for specific submersion conditions (typically a depth of 1–3 meters and 30 minutes). Permanent submersion at deeper depths requires specialty subsea connectors, not standard IP68.

Rule 4 — Verify the seated rating, not the unseated. IP rating applies only when the connector is properly mated and tightened. An unmated IP67 connector left dangling in the rain has zero protection.

How to Choose the Right Waterproof Connector

A correct waterproof connector specification depends on six variables. Walk through each one before requesting a quote.

Step 1 · Identify What You’re Transmitting

Pure AC/DC power above 5A → PowerCon or high-current aviation connector. Low-current signal or sensor data → M5/M8/M12 or GX series. Multi-pin power + signal hybrid → SP/Y series with appropriate insert configuration. Cable passing through an enclosure wall, no mating required → cable gland (not a connector).

Step 2 · Determine the IP Rating Required

Refer to the IP rating table above. As a starting point: indoor protected → IP54 minimum; outdoor sheltered → IP65; outdoor exposed → IP67; marine or submersion → IP68; wash-down or food processing → IP69K.

Step 3 · Confirm the Current and Voltage Rating

For PowerCon: NAC3 handles up to 20A / 250V AC; TRUE1 handles 16A / 250V AC with locking. For aviation connectors: pin current rating varies from 1A (M5 small pins) up to 30A (SP large contact pins). Always calculate total current including safety margin (typically 1.25× nominal load) before specifying.

Step 4 · Specify the Pin Count and Configuration

Common waterproof aviation connector pin counts are 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, and 26. Match the pin count to your circuit needs, plus 1–2 spare pins for future use or redundancy.

Step 5 · Choose Housing Material

Nylon / engineering plastic: cost-effective, lightweight, suitable for IP65–IP67 in moderate environments. Zinc alloy die-cast: standard for IP67/IP68 outdoor and industrial use, with good EMI shielding. Brass: corrosion-resistant for marine and chemical environments. Stainless steel: highest corrosion resistance, suitable for offshore and food-grade applications.

Step 6 · Plan for Customization (if applicable)

For OEM projects above 2,000 pieces, Verchil offers custom pin configurations, custom housing colors, branded laser engraving, and pre-assembled cable harnesses with your specified cable type and length. Tooling lead time for new pin layouts is typically 25–35 days.

For a deeper walk-through of practical selection criteria across industries, see our Best Waterproof Cable Connectors — 6 Proven Selection Tips guide.

How to Choose the Right Waterproof Connector

Where Waterproof Connectors Are Used

Where Waterproof Connectors Are Used

Outdoor LED Display and Digital Signage — Outdoor LED video walls and digital billboards rely on IP67-rated SP and GX series connectors for power and signal feeds across the back of the screen. Installed in environments where rain, snow, UV, and temperature swings are constant. Verchil aviation connectors carry signal and power to thousands of LED installations across Asia, the Middle East, and Latin America.

Stage Lighting and Live Event Production — PowerCon connectors are the de facto standard for power distribution from generators to lighting fixtures and audio amplifiers. The locking mechanism prevents accidental disconnection during high-energy performances. Combined with waterproof aviation connectors for DMX control and IP65 cable glands for power distribution boxes, Verchil supplies complete stage interconnect kits.

EV Charging and E-Mobility — Charging stations use IP67-rated multi-pin connectors for internal power and CAN bus signaling between cabinet sections. The connectors must survive thousands of plug/unplug cycles by service technicians while remaining sealed against rain, condensation, and dust.

Marine and Offshore Equipment — Brass and stainless-steel aviation connectors with IP68 sealing serve navigation lighting, marine sensors, on-deck cameras, and below-deck wiring. Salt-spray resistance is non-negotiable — Verchil offers salt-spray test reports for all marine-grade SKUs.

Mobile Machinery — Construction, Agricultural, Mining — Excavators, harvesters, mining trucks, and forklifts rely on IP67/IP68 aviation connectors for hydraulic sensor signals, lighting circuits, and operator displays. Vibration resistance and operating temperature range (−40°C to +85°C) are critical.

Outdoor Lighting and Landscape Installations — Street lamps, garden lighting, fountain illumination, and architectural lighting all depend on IP65 cable glands and waterproof aviation connectors for power feeds. Long service life under UV exposure is the key requirement.

Why Source Waterproof Connectors from Verchil

Specialty in waterproof sealing design — Beyond general connector assembly, Verchil has invested 10+ years specifically in waterproof sealing design — double O-ring geometry, gasket compression force calibration, and ingress testing on every production batch.

Cross-format product depth — One supplier for PowerCon, cable glands, and the full aviation connector range (M5/M8/M12/SP/GX/Y) means consolidated sourcing and consistent quality standards across all your waterproof interconnect needs.

Third-party IP rating test reports — All waterproof series come with IP65/IP67/IP68 test reports from accredited third-party labs (SGS, TÜV, or equivalent). For project specifications requiring documented certification, reports ship with every order.

Salt-spray and accelerated aging tested — Outdoor cable glands and aviation connectors undergo 96-hour salt-spray testing (ISO 9227) and accelerated UV aging before release. These results are available on request for marine and harsh-environment projects.

OEM/ODM ready from MOQ 1,000 — Custom housing colors, laser-engraved branding, custom pin layouts, and pre-assembled cable harnesses with your specified cable. Tooling lead time 25–35 days; production lead time matches standard SKUs thereafter.

18+ years of connector manufacturing — Vertically integrated 3,000 m² factory Wenzhou — China’s connector manufacturing capital. In-house die-casting, machining, plating, injection molding, and assembly under one roof.

Why Source Waterproof Connectors from Verchil

Frequently Asked Questions

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IP67 is rated for temporary immersion at 1 meter depth for 30 minutes. IP68 is rated for continuous submersion at conditions specified by the manufacturer (typically deeper than 1 meter, often with a defined duration). For most outdoor applications including direct rain, IP67 is sufficient. IP68 is needed for permanent installations near water (pools, fountains, marine equipment).

Standard zinc alloy housings will corrode in continuous saltwater exposure. For marine and offshore use, specify stainless steel or brass housing with nickel or gold-plated contacts. Verchil offers all three options in the aviation connector range, with documented salt-spray test results.

If your cable passes through an enclosure wall and stays connected permanently, use a cable gland — it's simpler and cheaper. If you need to disconnect the cable in the field for maintenance, replacement, or transport, use a waterproof connector. Many installations use both: a connector at the equipment side for serviceability, and a gland at the enclosure side for permanent sealing.

Standard waterproof connectors operate from −40°C to +85°C. For high-temperature applications (industrial furnaces, engine compartments), specialty silicone-sealed variants extend to +125°C. For arctic and cold-chain applications below −40°C, please consult our engineering team for specialty rubber compounds.

Yes — Verchil PowerCon connectors are dimensionally compatible with the Neutrik NAC3 standard, meaning they mate directly with existing Neutrik-equipped cables and panels. This compatibility is essential for stage rental fleets that need interchangeable parts from multiple suppliers.

Cable glands require only a standard wrench for tightening. PowerCon and aviation connectors require a small flat-blade screwdriver for screw-terminal versions or a crimping tool for crimp versions. No specialty proprietary tools are needed for any Verchil waterproof connector — all use standard industry hardware.

Yes. For OEM projects with MOQ 1,000+ pieces, Verchil supplies pre-assembled cable harnesses with your specified cable type (PVC, TPU, rubber, oil-resistant), cable length, and outer jacket color. This eliminates field assembly time and ensures consistent IP rating on every assembled unit.

Every production batch of waterproof connectors passes air-tightness testing (pressurization + decay measurement) to verify seal integrity. Periodic batches undergo full immersion testing (1m depth, 30 min for IP67; manufacturer-specified for IP68) as a process audit. Test reports are available on request.

Standard SKUs ship in 7–15 days. In-stock items (popular SP series, common cable glands, PowerCon) ship within 48 hours. Customized OEM orders requiring new tooling take 25–35 days; subsequent production runs match standard lead time.