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Potted 50W LED Driver
— IP65 & IP67 Outdoor Sealed

Silicon-encapsulated 50W LED drivers for outdoor floodlights, street lights, façade lighting, signage and damp-area indoor fixtures. HPF, LPF and flicker-free variants available. Made in India.

Smooth Power 50W potted LED driver IP65 silicon encapsulated
50 W
Output power
IP65 / IP67
Outdoor sealed
Silicon
Potting compound
3 variants
LPF / HPF / Flicker-free

What is a potted 50W LED driver?

A potted LED driver is a driver whose internal PCB is fully encapsulated inside its housing with a thermally-conductive sealing compound — usually silicon-based. The potting serves three purposes: it seals the driver against moisture and dust ingress (rated IP65 or IP67), it transfers heat from electronic components to the metal housing for better thermal management, and it dampens mechanical vibration that would otherwise crack solder joints over time.

The "50W" refers to the maximum continuous output power. 50W is one of the most popular wattages for outdoor LED applications — large enough for serious illumination (street lights, façade floodlights, signage backlights) but small enough to fit standard luminaire housings without custom heat sinking.

Smooth Power manufactures three production variants of the 50W potted driver — covering LPF (low-cost, residential), HPF (efficient, tender-grade), and flicker-free (eye-safe for indoor / studio use). Pick the variant that matches your application.

Our 50W potted driver range

SP-4050 50W Encapsulated LPF Driver
SP-4050

50W Encapsulated LPF Driver

Cost-effective 50W driver for industrial-grade fixtures and outdoor floodlights where LPF (Low Power Factor) is acceptable. IP65 silicon-potted, wide voltage input range. Common choice for high-volume residential and small commercial street-light installations.

Wattage50 W
Power FactorLPF (~0.5)
Input130-300V AC
IP ratingIP65
PottingSilicon
Surge4 kV
SP-7377 50W IP65 HPF Potted Driver
SP-7377

50W IP65 Potted HPF Driver

Tender-grade 50W driver for outdoor flood and street lights. HPF (High Power Factor ≥ 0.9) for utility compliance and lower harmonic distortion. Built-in HV/LV cut-off, 6kV surge protection. The most-asked driver for outdoor lighting tenders and commercial street-light projects.

Wattage50 W
Power FactorHPF (≥0.9)
Input130-300V AC
IP ratingIP65
HV/LV cut-offYes
Surge6 kV
SP-9377 50W Flicker-Free Potted Driver
SP-9377

50W Flicker-Free Potted Driver

Studio-grade 50W potted driver with under-5% output ripple. IP65 silicon-encapsulated for damp-area indoor and studio use. Eye-safe for photography panels, video production fixtures, hospital interiors, and any 50W indoor LED where flicker matters on camera or for human comfort.

Wattage50 W
Ripple< 5%
Input120-300V AC
IP ratingIP65
UseIndoor / studio
Surge4 kV

Applications

Street lighting

50W is the most-installed wattage for residential and semi-urban street lights. HPF variant required for most state-government tenders.

Outdoor floodlights

Building façades, parking lots, billboard lighting, security floodlighting. IP65 sealing handles direct rain, dust storms, monsoon humidity.

LED signage

Rooftop signs, large outdoor billboards, signboard backlight panels. Potted drivers prevent moisture-related failures common in monsoon.

Façade & landscape

Architectural building lighting, garden floodlights, monument lighting. The IP67 variant handles ground-level installations near sprinkler runoff.

Studio & broadcast

Damp-area indoor use — photography studios with humidity, broadcast sets near water features, indoor stage lighting. Flicker-free variant essential.

Industrial high-bay

Factory floor, warehouse, workshop lighting. Potted construction handles dust, oil mist, vibration from machinery.

Why potted, why 50W

Outdoor LED installations face three failure modes: water ingress, thermal stress, and surge events. Non-potted drivers in outdoor housings fail most often from water ingress — even "outdoor" housings with rubber gaskets eventually let moisture in through cable glands, vent holes, or housing seams. Once water reaches the PCB, corrosion begins. Most failures we see in returned outdoor drivers are corrosion-related.

Silicon potting solves this by sealing the PCB at the component level — no air gaps, no path for moisture to reach copper traces or solder joints. The same compound is thermally conductive, so heat from components transfers efficiently to the metal housing instead of building up in trapped air pockets. Field life of a properly-potted 50W driver in outdoor installations is typically 5-10 years; field life of a non-potted equivalent in the same conditions is often under 18 months.

50W is the workhorse wattage. Smaller (10-30W) drivers are used for low-output decorative fixtures; larger (75-200W) for high-bay industrial and stadium lighting. Most outdoor street, façade, signage and floodlight applications cluster around 50W — enough output for serious illumination, small enough to fit standard fixture housings without exotic heat sinking.

Frequently asked questions

What is potting?

Filling the inside of the driver housing with a thermally-conductive silicon (or epoxy) compound that fully encapsulates the PCB and components. Once cured, the compound is solid — no air gaps, complete moisture seal, improved heat transfer.

LPF vs HPF — which one do I need?

HPF (≥0.9 power factor) is the modern standard for commercial and tender installations. LPF (~0.5) is cheaper and acceptable for residential / small commercial use where there's no utility power-factor surcharge. For any government-tender outdoor LED project, HPF is required.

IP65 vs IP67 — do I need the higher rating?

IP65 handles dust and rain — sufficient for most pole-mounted and elevated outdoor LEDs. IP67 adds temporary immersion protection — needed only for ground-level fixtures that might flood (landscape lights near sprinklers, parking-lot lights at low spots, walkway lights).

How long does a potted 50W driver last?

Typical field life is 5-10 years in outdoor conditions, depending on temperature, surge exposure and switching cycles. Compare to 1-2 years for a non-potted driver in the same outdoor environment — the potting compound is the single biggest reliability factor for outdoor LED.

Can the driver be repaired if it fails?

No — potted drivers are not field-repairable, by design. The sealing that protects against moisture also prevents access to the PCB. Failed potted drivers are replaced as a unit. This is an acceptable trade-off given the long field life — over a 10-year deployment, one well-built potted driver replaces ~6-10 cheap non-potted units.

Custom wattages and variants?

Yes — we manufacture 10W to 200W potted drivers, with custom output voltage, current, surge ratings, dimming protocols, branding and form factors. MOQ 500 units for custom variants. WhatsApp +91 82872 62090 or sales@smoothpower.in.

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