Tel : 86-0755-89999957 / 
Email : colin@aohuadz.com
1. Product Overview & Engineering Value
This AOHUA waterproof junction box is a premium electrical connection and protection component engineered for outdoor harsh environments and complex industrial working conditions. Designed to address critical pain points of traditional wiring devices—such as short circuits, poor contact, and insulation failure in humid, submerged, corrosive, and extreme temperature environments—it delivers a robust, long-lasting safety barrier for electrical line branching, connection, and protection.
Compliant with international standards including IEC 60529, IEC 60947, and RoHS 2.0, this junction box is a core reliability node for electrical systems, widely applied in municipal lighting, solar photovoltaic, industrial automation, smart water management, marine engineering, and outdoor IoT infrastructure. It meets the mandatory requirements for wiring protection in outdoor humid locations specified in global electrical safety codes, ensuring long-term operational stability for critical electrical networks.
2. Core Technical Specifications (Engineering Quantified Metrics)
| Technical Dimension | Core Parameter | Engineering Significance |
|---|---|---|
| Ingress Protection Rating | IP68 (IEC 60529:2013) |
Complete dust-tight (6th dust protection level) and continuous submersion in ≥1m water, suitable for direct burial, underwater, and extreme outdoor applications
|
| Rated Electrical Parameters | Rated Voltage: AC 300V/450V; Rated Current: 20A/24A |
Compatible with medium-power industrial equipment and outdoor lighting systems, with a 20% load margin for long-term reliable operation
|
| Wire Compatibility | 0.5~6mm² conductor (custom terminals for 1.0~2.5mm² available) |
Covers most outdoor cable specifications, compatible with multi-core control lines and power cables, enhancing project adaptability
|
| Housing Material | Modified PA66/PC Engineering Plastic (UL94 V-0 Flame Retardant) |
High impact resistance, UV stability, and wide temperature tolerance (-40℃~105℃), eliminating softening at high temperatures and brittleness at low temperatures
|
| Sealing Structure | Triple Sealing System: Housing O-Ring + Cover Gasket + Cable Gland |
3D sealing barrier to block moisture, water vapor, and salt spray from housing, cover, and cable entry points
|
| Terminal Material | Tin-Plated Copper Alloy/Brass Conductors |
Low contact resistance (≤5mΩ), excellent oxidation and corrosion resistance, ensuring stable high-current transmission with <5% electrical performance degradation after 500 mating cycles
|
| Environmental Compatibility | Salt Spray Resistance ≥96h (IEC 60068-2-11); Mechanical Impact ≥50J (IEC 60068-2-75) |
Suitable for coastal, chemical, and direct burial corrosive/impact environments, preventing seal failure and structural damage |
86-0755-89999957
colin@aohuadz.com
