JXF Foundation Distribution Box
The JXF foundation distribution box is manufactured by LYE Technology from spray-coated cold-rolled steel with built-in sealing strips, in eleven sizes from 250 x 300 x 150 mm up to 800 x 1000 x 250 mm. Breakers, contactors and terminal blocks mount on a detachable base plate, so the assembly is wired on a bench before installation.
- Enclosure: Spray-coated cold-rolled steel with sealing strips
- Sizes: 11 models from JXF-253015 to JXF-8010025
- Size range: 250 x 300 x 150 mm to 800 x 1000 x 250 mm
- Depth options: 150 mm, 200 mm and 250 mm
- Internal mounting: Detachable mounting base plate
Foundation Distribution Box Specifications & Technical Data
| Parameter | Details |
|---|---|
| Product | JXF series |
| Enclosure material | Spray-coated cold-rolled steel plate |
| Sealing | Built-in sealing strips against water, rain and dust |
| JXF-253015 | 250 x 300 x 150 mm (W x H x D) |
| JXF-304020 | 300 x 400 x 200 mm (W x H x D) |
| JXF-405020 | 400 x 500 x 200 mm (W x H x D) |
| JXF-406020 | 400 x 600 x 200 mm (W x H x D) |
| JXF-506020 | 500 x 600 x 200 mm (W x H x D) |
| JXF-507020 | 500 x 700 x 200 mm (W x H x D) |
| JXF-608020 | 600 x 800 x 200 mm (W x H x D) |
| JXF-8010020 | 800 x 1000 x 200 mm (W x H x D) |
| JXF-506025 | 500 x 600 x 250 mm (W x H x D) |
| JXF-608025 | 600 x 800 x 250 mm (W x H x D) |
| JXF-8010025 | 800 x 1000 x 250 mm (W x H x D) |
| Internal mounting | Detachable mounting base plate |
| Installation environment | Indoor and outdoor |
| Customisation | Hole drilling, logo printing, specified component brands |

JXF — Compact Enclosure for Building Services
Most distribution points are small: a zone supply is split in a cupboard, a plant room or a service recess, and the enclosure is chosen because it fits the space and one electrician can wire it in an afternoon. That is the duty the JXF is built for, in eleven sizes from 250 x 300 x 150 mm up to 800 x 1000 x 250 mm — sealing strips against water, rain and dust, spray-coated cold-rolled steel, and a detachable base plate so the assembly is built on a bench before it goes into the wall.


Factory-Direct Distribution Box Manufacturer & OEM / ODM
We Manufacture, You Brand
LYE Technology (Zhejiang) Co., Ltd. builds this range in Wenzhou on our own lines — sheet-metal fabrication, welding, powder coating and final assembly — and function-tests every unit before it ships. We are a Top 10 brand of China's small distribution boxes and hold ISO9001, ISO14001, ISO45001, CCC, CE and TÜV. Because we are the manufacturer and not a trading company, your component layout is a drawing change rather than a special order.
- OEM branding — custom colours, laser marking and your own project or retail packaging, applied at the factory.
- ODM options — ratings, configurations and internal layouts built around your drawings or single-line diagram.
- Certification — ISO9001, ISO14001, ISO45001, CCC, CE and TUV, with test documents supplied per project.
- MOQ — flexible quantities for a project or a trial order, with mixed types welcome in one shipment.
Where These Enclosures Are Specified
This foundation distribution box is specified wherever a zone supply is split close to the point of use: residential and commercial buildings, telecom rooms, industrial bays, infrastructure sites and renewable energy installations.

Certification & Standards Compliance
The factory is audited to ISO 9001, ISO 14001 and ISO 45001, and the cabinet is supplied with CCC, CE and TÜV certification according to the destination market. Test reports and certificates are issued per order, so ask for the current set when you request a quotation.
Quality management
Certified factory system
Environmental management
Process and waste control
Occupational safety
Health and safety system
China CCC mark
Compulsory certification
CE marking
European market access
TÜV type test
Independent verification
Buying Guide from the Manufacturer
- Confirm the available recess or wall space and select the nearest size from the eleven available.
- Confirm the depth required, 150, 200 or 250 mm, against the cavity and the cable bend radius.
- Confirm the breakers, contactors and terminal blocks to be fitted so the base plate can be drilled.
- Confirm the cable entry direction and the number and size of knockouts needed.
- Send the single-line diagram, component list and any required printed identification.
- Approve the drawing, then production, inspection and dispatch.
Manufacturer & Sales Support for Wholesale Buyers

OEM / ODM
Learn more →Factory colours · Logo marking · Custom layout

Wholesale
Learn more →Factory pricing · Flexible MOQ · Global shipping

Distributor Support
Learn more →Account manager · Drawing support · Priority lead times
Need a Compact Distribution Box for a Building?
OEM/ODM, wholesale pricing and distributor support straight from the manufacturer — one enquiry gets you a factory-direct quotation for the unit you need, sized to your component list, the recess dimensions and the cable entry direction at each position, with type-test documentation under IEC 60529 and IEC 60439-1. Our sales team replies with a specification and an indicative price, so send your drawings and quantity.Contact Our Sales TeamFrequently Asked Questions
What is a JXF foundation distribution box?
It is a compact enclosure for building electrical systems and foundation-level power distribution. It spans eleven sizes from 250 x 300 x 150 mm up to 800 x 1000 x 250 mm, with depth options of 150, 200 and 250 mm, built from spray-coated cold-rolled steel with sealing strips and a detachable mounting base plate.What is a JXF box used for?
It is used where a supply enters a zone and is split locally: plant rooms, service cupboards, sub-circuit boards and small distribution recesses in residential, commercial and light industrial buildings. It takes breakers, contactors and terminal blocks, which makes it the practical choice for the intermediate distribution points between a main board and the final circuits.What is the difference between a distribution box and a consumer unit?
A consumer unit is the standardised domestic board that protects final circuits in a dwelling and is normally limited to a few rows of modular devices. A box of this type covers a much wider span of sizes and duties, from the same shallow form factor up to an 800 x 1000 mm enclosure taking larger breakers, contactors and metering, and it is used across building services rather than only in homes.Who manufactures foundation distribution boxes?
This is a high-volume category produced by many factories, so unit price alone rarely distinguishes a good supplier. Ask whether the enclosure is pressed, formed and coated on the supplier's own equipment, whether sealing strips are fitted as standard rather than as an option, and whether the base plate can be drilled for your component list. LYE builds it in Wenzhou on our own lines and holds ISO9001, ISO14001, ISO45001, CCC, CE and TUV certification.How much does a foundation distribution box cost?
Indicative factory-direct pricing is roughly US$50 to US$600 per box, depending on the size, the depth, whether it is supplied empty or as a complete assembly with breakers and terminal blocks, and the quantity ordered. For project work the enclosure is a small part of the installed cost, so the volume discount and the delivery schedule usually matter as much as the unit price.
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