LLT M19 push lock 3+5 pin waterproof cable connector

M19 IP68 Waterproof Circular Connector — Industrial-Grade 2-18 Pin Power & Signal Connector Product Overview The M19 IP68 waterproof connector is an industrial-grade circular connector engineered for mission-critical power and signal transmission in the world's harshest environments. Built around a high-strength PA66 nylon shell with gold-plated brass contacts, this M-series connector delivers IP67/IP68-certified waterproof and dustproof protection across an extreme temperature range of -40°C to +105°C. Designed for engineers and system integrators who refuse to compromise on reliability, the M19 connector serves as the backbone of electrical infrastructure across three demanding sectors: outdoor LED lighting systems, marine electronics, and industrial automation platforms. With pin configurations ranging from 2 pins to 18 pins, current ratings up to 20A, and voltage handling up to 600V AC/DC, this connector family offers the flexibility to address virtually any power-distribution or signal-transmission challenge. Every M19 connector undergoes comprehensive quality testing and carries UL, CE, RoHS, and CQC certifications, ensuring compliance with the strictest international safety standards. Whether you're specifying components for a new installation or retrofitting existing infrastructure, the M19 waterproof connector provides the confidence that connections will remain secure, conductive, and protected — year after year, in any climate. Why Engineers Choose the M19 Waterproof Connector Selecting the right connector for harsh-environment applications isn't a decision to make lightly. A failed connection in an offshore lighting installation or an automated production line can cost thousands in downtime and repair. Here's why the M19 consistently wins against competing connector series: IP68 Ingress Protection — Unlike standard IP65 or IP66 connectors that only resist water jets, the M19's IP68 rating certifies complete submersion resistance. Tested at depths exceeding 1 meter for 30+ minutes, it maintains perfect electrical isolation even when fully immersed. This makes it the professional choice for marine applications, underground installations, and equipment subject to pressure washing. PA66 Nylon Shell with V-0 Flame Rating — The housing isn't just plastic — it's glass-reinforced PA66 Polyamide 66, an aerospace-grade engineering polymer. With a UL94 V-0 flammability classification, the M19 housing self-extinguishes within 10 seconds without producing flaming drips. The material resists UV degradation, salt spray corrosion, and aggressive industrial chemicals that would destroy standard PVC or ABS connectors. Gold-Plated Brass Contact System — Electrical failure starts at the contact interface. That's why every M19 connector uses precision-machined brass contacts with a full gold-plated finish. Gold provides exceptional conductivity (approximately 70% of copper) while remaining completely immune to oxidation and corrosion. Unlike tin-plated alternatives that degrade after 500 mating cycles, gold-plated M19 contacts maintain stable contact resistance below 5mΩ through 3,000+ connection cycles. -40°C to +105°C Operating Range — From Arctic research stations to desert solar farms, from refrigerated processing facilities to high-temperature engine compartments, the M19's 145°C total operating span handles environments that disable standard commercial connectors. The PA66 shell retains 85% of its room-temperature impact strength at -40°C and doesn't deform until well above 150°C.