Junction Box Enclosure Manufacturer-Onlywy

Junction Box Enclosure

20+ years Junction box enclosure manufacturer in China, specializing in plastic junction box, metal junction box, stainless steel junction box,waterproof junction box(weatherproof junction box), both for indoor and outdoor use.

Junction Box Enclosure manufacturer in china

If you are looking for a professional junction box enclosure factory in China, Onlywy is your best choice. We have over 1,000 junction box styles to support your business, including hinge style, screw style, waterproof style, fireproof style, and anti-dust style, etc,

Our professional design team can support 2D or 3D drawings based on your project needs or even ideas. You can choose your junction box with ABS, PC, PVC, Stainless steel, Aluminum materials, finishing, size, color, and layout, to meet your requirements.

We ensure top waterproof performance, compliant with NEMA Enclosure standards and IP ratings (including IP33, IP54, IP65, IP66, IP67, and IP68), and provide reliable and stable performance in various application scenarios. We can design for you for free. Please contact now for free offers.

Junction Box Enclosures by Material

ABS Junction Box

Polycarbonate Junction Box

PVC Junction Box

Stainless Steel Junction Box

Metal Junction Box

Aluminum Junction Box

Junction Box Enclosures by Cover Type

Grey Body Junction Box

clear cover junction box

Hinge Junction Box

Junction Box Enclosures by IP Rating

IP68 Junction Box

Outdoor Junction Box

Electrical Junction Box

Junction Box Enclosures by Applications

Waterproof Junction Box

Fireproof Junction Box

Anti-dust Junction Box

Waterproof and Anti-Dust of Onlywy Junction Box

Onlywy Junction Box Enclosures are made of injection molding from 100% ABS and PC plastic materials, with high precision workmanship, super waterproof and dustproof, strong plasticity, and durability.

Features an attractive design and reinforced ribs to prevent deformation. Our box body is foamed using an imported foaming machine. and sealing ring is integrated with the box body for excellent resilience. Also 360-degree sealing strip design enhances waterproof, dustproof, and insulating properties. Protective nylon screw design is burr-free and watertight when tightened.

While we offer flexible mounting brackets and a honeycomb bottom plate for your custom junction box to meet your application requirements.

Fireproof & flame-retardant of Onlywy Junction Box

Onlywy Junction Box Enclosures can be used for underground Parking, airport stations, power grid projects, and residential power distribution, and they are easy to install. Built for durable and reliable protection of electrical components and connections in hazardous environments.

We use high-quality eco-friendly materials with high-temperature resistance to meet V0 grade flame-retardant standards. Also they are low-temperature resistant,while ensuring that electrical junction boxes and electrical components are protected against damage during fire emergencies.

High impact resistance of Onlywy Junction Box

At Onlywy, our Junction Box Enclosures are normally made from durable materials like high-impact ABS or PC, and are tested to withstand significant force, providing robust protection for sensitive electrical components and connections in environments at risk of impact. It has high impact resistance, glossiness, and is naturally fireproof and heat-resistant. Our mechanical Impact can meet IK08 at least.

Thus improving the quality and performance of waterproof junction boxes. It is normally used in Construction Sites, industrial facilities, and outdoor installations.

Wide-Ranging Industry Uses for Onlywy Junction Box Enclosures

Onlywy Junction Box Enclosures, as core components of electrical connections, are widely used in fields such as construction, power, transportation and industry.

In the construction industry, We are used in residential and commercial buildings for lighting, power distribution, and security systems, ensuring wiring safety and compliance with building electrical codes.

In the power industry, junction boxes are used for cable branching and protection (e.g., in substations and distribution cabinets). Their protection rating (IP65-IP68) and withstand voltage (1kV-10kV) are key parameters, enhancing grid stability and equipment life.

In the transportation sector, junction boxes are relied upon to provide reliable power supply for railway signaling systems (such as track circuits) and highway tunnel lighting.

Furthermore, in the industrial automation sector, junction boxes (such as those with M12/M8 interfaces) enable rapid device wiring and support the efficient operation of PLC control systems.

Onlywy Power provides customized junction box solutions for multiple scenarios, If you need technical selection support, please contact our engineering team for solutions.

Srl.	Model	Sizes/mm	Width/mm	Depth/mm
1	WY5055	65	50	55
2	WY6555	95	65	55
3	WY8070	80	80	70
4	WY8045	110	80	45
5	WY8050	110	80	50
6	WY8070	110	80	70
7	WY8085	110	80	85
8	WY8070	130	80	70
9	WY8085	130	80	85
10	WY8055	160	80	55
11	WY8070	180	80	70
12	WY8070	250	80	70
13	WY8085	250	80	70
14	WY10075	100	100	75
15	WY100100	100	100	100
16	WY12575	125	125	75
17	WY125100	125	125	100
18	WY12575	175	125	75
19	WY125100	175	125	100
20	WY14095	170	140	95
21	WY175100	175	175	100
22	WY15075	200	150	75
23	WY150100	200	150	100
24	WY150130	200	150	130
25	WY150100	250	150	100
26	WY150130	250	150	130
27	WY20095	200	200	95
28	WY200130	200	200	130
29	WY190130	280	190	130
30	WY190180	280	190	180
31	WY280130	280	280	130
32	WY280180	280	280	180
33	WY280130	340	280	130
34	WY280180	340	280	180
35	WY280130	380	280	130
36	WY280180	380	280	180
37	WY190130	380	190	130
38	WY190180	380	190	180
39	WY220160	340	220	160
40	WY300160	400	300	160
41	WY270160	460	270	160
42	WY300160	520	300	160
43	WY360180	540	360	180