Warterproof junction box TDQ3 Series

Product Introduction

Waterproof junction boxes are specialized protective enclosures for electrical systems, engineered explicitly to withstand tough surroundings—including damp spaces, dusty areas, and wet conditions. Their primary role is to shield cable connections, terminal blocks, and electrical parts from external harm. What makes them essential is their exceptional sealing and protective performance: they can effectively fend off moisture, dust particles, corrosive gases, and mechanical shocks. This protective capability ensures that electrical connections operate safely and stably, even in outdoor settings, humid environments, or industrial workplaces.

Core Functions

Cable Connection Protection: It creates a sealed, integrated space that securely houses cable splices and terminal blocks. This design prevents short circuits or damage that would otherwise occur if the wiring were left exposed.
Electrical Isolation Protection: Thanks to its airtight structure, the junction box physically separates electrical connection points from the outside environment. This not only lowers the risk of electric shock but also reduces interference from external factors.
Superior Water and Dust Resistance: By incorporating sealing rings, waterproof grommets, and buckle-style structural designs, these junction boxes meet high protection standards like IP65, IP66, and IP67. This makes them ideal for prolonged use in outdoor environments.
Corrosion and Impact Resistance: The enclosures are made from materials such as engineering plastics and stainless steel. These materials provide resistance to UV rays, chemical corrosion, and mechanical impacts, extending the product’s lifespan.

Application Areas

Municipal and Public Facilities: Used for wiring in outdoor lighting systems and as enclosures for traffic signal control units.
Industrial Manufacturing: Applied in the external wiring of production line equipment and for outdoor power distribution connections within factory premises.
Construction and Real Estate: Utilized for wiring in building facade lighting, protection of landscape power supplies, and centralized wiring in underground parking lots.
New Energy and Infrastructure: Employed for wiring of components in photovoltaic (PV) stations, protection of cables in wind turbines, and as outdoor cabinets for communication base stations.
Agriculture and Water Treatment: Used for electrical control connections in irrigation systems, protection of power supplies for aquaculture equipment, and as junction boxes for water pump motors.

Product Dimensions Diagram

Model	L	W	H	Dimension drawing
TDQ3-801	50		30
TDQ3-802	50		50
TDQ3-803	80		50
TDQ3-804	80	80	50
TDQ3-805	85	85	50
TDQ3-806	100	100	70
TDQ3-807	150	110	70
TDQ3-808	150	150	70
TDQ3-809	200	100	110
TDQ3-810	200	155	80
TDQ3-8011	200	100	70
TDQ3-8012	200	200	80
TDQ3-8013	255	200	80
TDQ3-8014	300	250	120
TDQ3-8015	400	350	120