Mean Well PWM-40 LED Driver (40 W) — Constant Voltage / Dimmable / Class II

The Mean Well PWM-40 Series is a 40 W constant-voltage LED driver designed especially for LED strip lighting and other low-voltage constant-voltage applications. Featuring PWM-style output to help maintain brightness and colour uniformity, universal AC input (90 – 305 VAC) and advanced dimming support, it is ideal for architectural accent lighting, indoor/outdoor decorative LED systems and retrofit panels. :contentReference[oaicite:1]{index=1}

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Key Features

✅ Universal input 90 – 305 VAC with built-in active PFC. :contentReference[oaicite:2]{index=2}
✅ Constant-voltage PWM-style output (12 V / 24 V / 36 V / 48 V variants). :contentReference[oaicite:3]{index=3}
✅ Built-in 3-in-1 dimming: 0-10 Vdc, PWM signal or resistance. :contentReference[oaicite:4]{index=4}
✅ High efficiency (up to ~90 %). :contentReference[oaicite:5]{index=5}
✅ Class II plastic housing (no FG) suitable for dry/damp/wet locations; up to IP67 variant. :contentReference[oaicite:6]{index=6}
✅ Protections including short-circuit, overload, over-voltage, over-temperature. :contentReference[oaicite:7]{index=7}
✅ 5-year warranty typical. :contentReference[oaicite:8]{index=8}

Available Output Voltages / Models

☑️ 12 V (PWM-40-12)
☑️ 24 V (PWM-40-24)
☑️ 36 V (PWM-40-36)
☑️ 48 V (PWM-40-48)

Applications

✅ LED strip lighting in signage, cove and accent lighting
✅ Decorative indoor/outdoor linear fixtures
✅ Retrofit LED module systems where constant voltage dimmable driver required

Why Choose the PWM-40 Series?

✅ Optimised for LED strip/linear constant-voltage loads with PWM output fidelity
✅ Compact Class II design simplifies integration with no earth-ground requirement
✅ Strong dimming flexibility with 3-in-1 and optional DALI variants

View manufacturer page on MeanWell.com

Mean Well PWM-40 LED Driver (40 W) — Constant Voltage / Dimmable / Class II