MEAN WELL HLG-40H Series Constant Voltage LED Driver

Mean Well HLG-40H LED Driver (40 W) — Constant Voltage + Constant Current / Dimmable / IP65-IP67

The Mean Well HLG-40H Series is a 40 W **constant-voltage + constant-current** LED driver (CV + CC) with selectable voltage models (12 V to 54 V) and optional 3-in-1 dimming (1–10 V, PWM, resistance). Ideal for LED strips, signage, and outdoor lighting. :contentReference[oaicite:0]{index=0}

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Key Features

• ✅ Dual-mode output (CV + CC) with output adjustment via potentiometer or cable
• ✅ 3-in-1 dimming: 1–10 VDC, PWM, or resistance (on B/AB / dimmable models) :contentReference[oaicite:1]{index=1}
• ✅ Universal AC input: 90 – 305 VAC (full range) :contentReference[oaicite:2]{index=2}
• ✅ Rugged metal housing, IP65 / IP67 rated :contentReference[oaicite:3]{index=3}
• ✅ Efficiency up to ~89.5 % :contentReference[oaicite:4]{index=4}
• ✅ 7-year warranty :contentReference[oaicite:5]{index=5}
• ✅ Protections: Short-circuit / Over-current / Over-voltage / Over-temperature :contentReference[oaicite:6]{index=6}

Available Output Voltage Options

• ☑️ HLG-40H-12
• ☑️ HLG-40H-15
• ☑️ HLG-40H-20
• ☑️ HLG-40H-24
• ☑️ HLG-40H-30
• ☑️ HLG-40H-36
• ☑️ HLG-40H-42
• ☑️ HLG-40H-48
• ☑️ HLG-40H-54

Dimming Options

• ☑️A – Non-Dimmable Ampage and Voltage adjustable through built-in potentiometer
• ☑️AB – Ampage and Voltage adjustable through built-in potentiometer and 3 in 1 dimming function (1-10VDC, 10V PWM signal and resistance)
• ☑️B – 3 in 1 dimming function (1-10VDC, 10V PWM signal and resistance)

Applications

• ✅ LED signage, strips, facade lighting
• ✅ Outdoor lighting (IP-protected)
• ✅ Architectural accent and wash lighting

Why Choose the HLG-40H Series?

• ✅ Dual-mode CV + CC gives flexibility in different LED load scenarios
• ✅ IP65 / IP67 rated metal housing for indoor/outdoor robustness
• ✅ Long 7-year warranty and proven Mean Well support

View manufacturer page on MeanWell.com

MEANWELL HLG-40H A Series Non-Dimmable LED Constant Voltage Power Supply Driver

IP65 design for indoor or outdoor installations
Built-in active PFC, PF>0.9 for 60% of load or higher
7 years warranty
Protections: Short circuit / Over current / Over voltage / Over temperature

Features

• Universal AC input (up to 305VAC) / Full range
• High efficiency up to 90.5%
• Output current adjustable through output cable
• Cooling by free air convection
• Suitable for LED lighting and street lighting applications
• Meet 4KV surge immunity level (IEC61000-4-5)
• Class 2 power unit

Options

• HLG-40H-12A
• HLG-40H-15A
• HLG-40H-20A
• HLG-40H-24A
• HLG-40H-30A
• HLG-40H-36A
• HLG-40H-42A
• HLG-40H-48A
• HLG-40H-54A