LYB5 Terminal Distribution Box
The LYB5 terminal distribution box is manufactured by LYE Technology with a fire-retardant ABS panel carrying a frosted PC flip-top observation window, on a spray-painted cold-rolled steel enclosure. Covering 9 to 60 ways in recessed and surface-mounted form, it lets a tripped breaker be identified without opening the board.
- Panel and window: Fire-retardant ABS panel with frosted PC flip-top window
- Way range: 9 to 60 ways, one to three rows
- Mounting: Recessed and surface mounted (M series)
- Enclosure thickness: 0.8 mm / 1.0 mm / 1.2 mm
- Standard configuration: Panel, busbar set, 1.0 mm DIN rail, enclosure
Terminal Distribution Box: Key Features & Typical Use
Check the Breakers Without Opening the Box
The LYB5 has a flip-top observation window made from frosted PC, so a breaker that has tripped can be identified without opening the enclosure. In a domestic setting that is a genuine safety feature: the person checking the board does not need to remove a cover or reach past live parts to find out which circuit has failed.A Panel Finish That Belongs in a Room
The ABS panel carries a leather-like texture that raises the perceived quality of the product and hides the fingerprints and small scuffs that appear on flat plastic in daily use. A fire-retardant ABS panel is used for the front, with a spray-painted cold-rolled steel enclosure behind it for rigidity and corrosion resistance.9 to 60 Ways, Recessed or Surface
The range covers 9 to 60 ways with single, double and triple row layouts, in recessed and surface-mounted (M) versions. The same panel and busbar arrangement is used across the sizes, with the neutral busbar on the left and the earth on the right, so wiring practice is consistent from one installation to the next.Ready to Terminate
Every unit is supplied with the panel, the busbar set, a 1.0 mm DIN rail and the enclosure, so the installer mounts the box and starts terminating rather than assembling internal parts. Enclosure thickness can be specified at 0.8 mm, 1.0 mm or 1.2 mm depending on the project budget and the handling the box will see.Terminal Distribution Box Specifications & Technical Data
| Parameter | Details |
|---|---|
| Series | LYB5 terminal distribution box |
| Panel | Fire-retardant ABS with leather-textured surface |
| Observation window | Frosted PC flip-top window for breaker status |
| Enclosure | Spray-painted cold-rolled steel |
| Way range | 9 to 60 ways |
| Row configurations | 1 row, 2 rows, 3 rows |
| Mounting versions | Recessed and surface mounted (M series) |
| Enclosure thickness options | 0.8 mm / 1.0 mm / 1.2 mm |
| Standard configuration | Panel, neutral and earth busbar set, 1.0 mm DIN rail, enclosure |
| Busbar arrangement | Neutral on the left, earth on the right |
| Example recessed model | LYB5-9: 240 x 200 x 95 mm overall |
| Example surface model | LYB5-9M: 240 x 200 x 95 mm overall |
| Largest model | LYB5-60: 438 x 690 x 95 mm overall |
| Compatible devices | Standard DIN-rail circuit breakers |
| Application | Household power distribution, building electrical installation, renovation |
LYB5 — Terminal Distribution Box with a Flip-Top Inspection Window
When a circuit trips at home, the first question is which breaker moved. The LYB5 answers it without opening the board: a frosted PC flip-top window lets the breaker positions be checked at a glance, so nobody has to remove a cover or reach past live parts to find out what happened.Buyers also look for this product as a flip-window distribution board, a household terminal box or an inspection-window breaker box, and it is compared with plain-covered boards and with glass-fronted units. The window is what distinguishes it, so the practical question for a manufacturer is whether the aperture is matched to the breaker layout you intend to fit, because that is what makes the window genuinely useful rather than decorative.The front panel is fire-retardant ABS with a leather-like texture that hides fingerprints and small scuffs, mounted on a spray-painted cold-rolled steel enclosure for rigidity and corrosion resistance. The result sits comfortably in a hallway or a utility cupboard rather than reading as a piece of industrial equipment.The range covers 9 to 60 ways in single, double and triple rows, in both recessed and surface-mounted form, with the neutral busbar on the left and earth on the right. Each unit ships with the panel, busbar set, 1.0 mm DIN rail and enclosure, and enclosure thickness can be specified at 0.8 mm, 1.0 mm or 1.2 mm.
Factory-Direct Terminal Distribution Box Manufacturer & OEM / ODM
We Manufacture, You Brand
LYE Technology (Zhejiang) Co., Ltd. is a national high-tech enterprise and manufacturer in Wenzhou, China: sheet-metal fabrication, welding, powder coating, busbar machining and final assembly run on our own factory lines, and every unit is function-tested before it leaves the works. A LYB5 Terminal Distribution Box that reaches your site carries the routine test behind it, not just the rating on the nameplate.We are one of the Top 10 Brands of China's small power distribution boxes and a drafter of national standards in this category, and we hold ISO9001, ISO14001, ISO45001, CCC, CE and TUV certification. Because we are the manufacturer rather than a trading company, our sales engineers quote from your drawing in factory-direct terms, and OEM or ODM work is produced on the same lines as our standard products.For the LYB5 we mould the ABS panel and form the steel enclosure in our own works, so the window aperture is matched to the breaker layout you specify.- 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.
LYB5 flip-top observation window showing breaker status
Leather-textured ABS panel on a surface-mounted M series box
Terminal Distribution Box Buying Guide from the Manufacturer
The LYB5 is usually chosen for the window and the finish, so the order settles on way count and mounting. These are the points we confirm.
- Count the outgoing circuits and spare ways to fix the way count and row configuration.
- Confirm whether recessed or surface-mounted (M series) boxes are needed at each position.
- Confirm the enclosure thickness, 0.8 mm, 1.0 mm or 1.2 mm.
- Confirm the breaker types, since they determine whether the window view is clear.
- Send the circuit schedule, floor plan and wall construction detail.
- Approve the drawing, then production 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
Specifying Distribution Boxes with Inspection Windows?
OEM/ODM, wholesale pricing and distributor support straight from the manufacturer — one enquiry gets you a factory-direct quotation for the LYB5 Terminal Distribution Box, sized to your way counts, mounting method and the breaker types you intend to fit, with type-test documentation under IEC 60670 and the applicable national requirements for household distribution boards. Our sales team replies with a specification and an indicative price, so send your drawings and quantity.Contact Our Sales TeamTerminal Distribution Box — Frequently Asked Questions
What is a terminal distribution box?
It is the enclosure that terminates the incoming supply and distributes it to the outgoing circuits, housing miniature circuit breakers and residual current devices on a DIN rail with neutral and earth bars. The LYB5 covers 9 to 60 ways in recessed and surface-mounted versions, with a fire-retardant ABS panel and a spray-painted cold-rolled steel enclosure.What is the observation window on a distribution box for?
It allows breaker status to be checked without opening the enclosure. After a trip, the affected circuit can be identified at a glance, so nobody has to remove a cover or reach past live parts to find out which breaker has operated. The LYB5 uses a frosted PC flip-top window, which is a practical safety feature rather than a decorative one.What are the different types of household distribution box?
Household boards divide by mounting method (recessed or surface), by cover material (plastic, metal or glass), by whether they have an observation window, and by way count. The LYB5 is the windowed type with a leather-textured ABS panel, covering 9 to 60 ways, and it is available in a surface-mounted M series as well as the recessed version.Who manufactures terminal distribution boxes?
The category is produced by many enclosure manufacturers, and the differences are in the panel moulding, the window design and the internal busbar arrangement rather than in the basic function. Ask whether the panel is moulded by the supplier, how the window aperture is sized against the breaker layout, and whether the busbar set and rail are included as standard. LYE manufactures the LYB5 in Wenzhou and holds ISO9001, ISO14001, ISO45001, CCC, CE and TUV certification.How much does a terminal distribution box cost?
Indicative factory-direct pricing is roughly US$5 to US$80 per unit, depending on the way count, the mounting version, the enclosure thickness and the quantity ordered. Because the window and the textured panel add cost over a plain board, the value comparison should be made on the finished installation rather than on the empty enclosure, particularly where boards are bought in project quantities.
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Use a distribution box for final circuits and compact branch protection; use a cabinet when the project needs larger incoming capacity, more feeder groups, metering, busbars or greater internal separation. The final choice should be checked against the single-line diagram, device list, available installation space and local project rules.
Provide the device schedule, circuit quantity, component dimensions, cable-entry direction, mounting method and required spare capacity. LYE also reviews door clearance, bending radius, heat-producing devices and the usable depth behind the mounting plate before confirming an enclosure size.
Start with the actual exposure to dust, rain, cleaning water and accidental contact rather than choosing the highest number by default. Cable entries, ventilation, door seals and installation workmanship affect the finished assembly, so the target rating and verification basis must be confirmed for the specific product and project.
Coated or galvanized steel is commonly considered for general indoor service, stainless steel for humid or corrosive locations, and engineering plastic for lightweight non-metallic applications. Material grade, thickness, UV exposure, chemical contact and earthing requirements must be confirmed against the installation environment.
Share the component heat load, ambient temperature, solar exposure, duty cycle and allowable internal temperature. LYE can then review enclosure volume, spacing, ventilation or fan provisions, sun shields, heaters or drainage details; the final thermal design remains tied to the installed equipment and site conditions.
Yes. A dimensioned drawing is preferred, but a physical sample and clear reference photographs can also start the review. Material, thickness, openings, hardware, finish, labels, inspection points and packing are recorded before sampling or repeat production.
PDF and common 2D CAD drawings are suitable for most enclosure enquiries, while 3D files can help with complex assemblies. Include a revision number, units, tolerances and component references; file compatibility and any missing production information will be confirmed during review.
A sample or first article can be arranged for a new or customized product. The approval plan should identify dimensions, openings, fit, appearance, hardware, labels and packaging, together with the sample cost and timing agreed for the actual order.
Available documents may include approved drawings, packing lists, dimensional or appearance inspection records, product data and certificates applicable to the confirmed model. Destination-specific declarations or third-party testing must be requested before order placement so availability and scope can be verified.
Lead time is confirmed after the product scope, quantity, sample requirement and finish are known. Packing is reviewed against product weight, surface protection, destination and shipping method; if an issue is found after delivery, send the order reference, label, photographs and quantity affected so it can be traced and reviewed.
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