Full-Potting and Semi-Potting for IP67 Waterproof Drivers
Silicone full-potting and semi-potting encapsulation for LED drivers up to 2000 W, achieving IP67 in all-aluminium housings with integrated cable glands.
Potting seals a driver’s electronics in silicone so water, dust and humidity cannot reach live components. Towe runs full-potting and semi-potting lines serving waterproof drivers from 7 W to 2000 W in aluminium housings with integrated cable glands, achieving IP67 on outdoor families with 3 to 5 year warranties.
When this process applies
Full potting encapsulates primary and secondary sides and is used on the TB, TH, TD and TY families. Semi-potting covers the high-voltage side only and is used on indoor and semi-exposed series where cost matters and the environment is sealed.
Technical specifications
| Ingress ratings | IP67 (TH, TD, TY) / IP65 (FY) |
|---|---|
| Power covered | 7 W – 2000 W |
| Encapsulant | Silicone compound, thermally conductive |
| Housing | All-aluminium with integrated cable glands |
| Verification | Hipot test on every waterproof unit |
| Warranty backing | 3–5 years on potted families |
Where it is the right choice
- Facade, landscape and street lighting exposed to rain and irrigation
- Humid interiors: cold storage, greenhouses, wash-down areas
- Coastal and high-humidity export markets in the Gulf and Southeast Asia
- Light boxes mounted outdoors where condensation is unavoidable
Where it is the wrong choice
Stating this explicitly matters more than a capability list: if your part falls into one of these categories, another process will cost you less.
- Submersible or in-ground underwater fixtures — IP68 immersion is not our rating
- Applications needing field serviceability — a potted driver is not repairable by design
Equipment
- Potting dosing lines for full and semi-pot processes
- Hipot insulation test stations
- Sealed-housing aging — waterproof units burn in fully assembled
- Vacuum and void verification during dosing
Process questions
Why do potted drivers fail if potting is done badly?
Air voids in the encapsulant become condensation pockets, and thermal cycling pumps moisture into them until a track or joint fails. That is why our potting is verified for voids and every unit is hipot-tested after sealing.
What is the practical difference between full and semi potting?
Full potting seals everything and supports the longest warranties in wet locations; semi-potting seals the high-voltage side and costs less for sealed indoor environments. We will tell you which one your installation actually needs instead of upselling.
Can you pot a driver to my housing design?
For OEM projects within our engineering range, yes — potting parameters are set per housing geometry and verified with pilot units before mass production.
Is the potting compound thermally conductive?
Yes. The silicone compound carries heat from the components into the aluminium housing, which is how fully-potted units hold full rated power without external heat sinks.
Related capabilities and products
100% Full-Load Aging Test
Full-load aging means every finished LED driver runs at its rated power at elevated temperature for a fixed burn-in period before packing — not a sample, every unit. Towe operates 10 aging test racks fed by 3 automated production lines, holding a production pass rate above 99% and a field failure rate at or below 0.03% across millions of shipped units..
View capabilitySmart Lighting Integration
Smart LED power supplies combine the driver and the wireless control layer in one unit. Towe’s TG and smart track series use 2.0 MESH networking with wide coverage, wiring-free extension and anti-interference hopping, pairing with Mi Home, Tmall Genie, Amazon Alexa and Siri so one voice command controls the whole room..
View capabilityKnowledge Base
Tolerance tables, cost mechanics and DFM rules written for buyers rather than engineers.
Read articlesTell us the wattage, get a quote in 24 hours
Send the series or specification and your target quantity. You will receive a quotation with lead time, warranty terms and the quality summary for the series — no obligation, and no sales call unless you ask for one.