HLG-120H-30A - LED Controller Mean Well - Free user manual and instructions
Find the device manual for free HLG-120H-30A Mean Well in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | LED Driver / Controller (Constant Voltage + Constant Current) |
| Model | HLG-120H-30A |
| Brand | Mean Well |
| Dimensions (L x W x H) | 195 x 68 x 39 mm |
| Weight | 0.73 kg |
| Input Voltage | 90 ~ 305 VAC (47 ~ 63 Hz) |
| Output Voltage | 30 VDC (adjustable via potentiometer) |
| Output Current | 4 A (constant current level adjustable) |
| Output Power | 120 W |
| Efficiency | 93% (typical) |
| Dimming Method | 3-in-1: 0-10V, PWM, or resistance (via built-in dimmer) |
| Protection | Short circuit, over voltage, over temperature, over load |
| IP Rating | IP65 (suitable for outdoor use) |
| Operating Temperature | -40°C ~ +70°C |
| Safety Standards | UL/CUL, TUV, CB, CE, CCC, FCC |
| Warranty | 5 years |
| Maintenance | Clean with dry cloth; do not use water or solvents. Ensure ventilation holes are unobstructed. |
| Repairability | Non-user serviceable. Contact qualified electrician for repairs. Spare parts available from authorized distributors. |
| General Information | Designed for LED lighting applications. Metal case for heat dissipation. Suitable for dry and damp locations. |
Frequently Asked Questions - HLG-120H-30A Mean Well
How do I connect the input wires to the HLG-120H-30A?
Connect the AC input wires (L, N, and ground) to the respective terminals. Ensure power is off. Use a screwdriver to secure the wires. Refer to the wiring diagram on the unit.
Can I use this driver to power a 24V LED strip?
The output is 30V, so it is not directly compatible with 24V strips. You can adjust the output voltage down to around 24V via the built-in potentiometer, but check the strip's max voltage.
How does the 3-in-1 dimming function work?
The dimmer accepts 0-10V analog signal, PWM (100 Hz-3 kHz), or a resistance (10kΩ potentiometer). Connect the dimming wires to the DIM+ and DIM- terminals accordingly.
What is the maximum distance for dimming wires?
For 0-10V dimming, keep wire length under 100 meters to avoid voltage drop. For PWM, use shielded cable if longer than 10 meters to reduce interference.
Is the HLG-120H-30A suitable for outdoor use?
Yes, it has an IP65 rating, meaning it is dust-tight and protected against low-pressure water jets. It can be used outdoors but not submerged.
What should I do if the driver does not power on?
Check input voltage and connections. Ensure the load is connected. The driver may be in protection mode. Disconnect power, wait 1 minute, and retry. If still not working, test with a known good load.
Can I adjust the output current?
Yes, the constant current level can be trimmed via the internal potentiometer. Turn counterclockwise to decrease current (minimum ~2A) or clockwise to increase (maximum ~4A). Use a multimeter to monitor current.
What are the dimensions and mounting options?
Dimensions: 195 x 68 x 39 mm. The driver has two mounting flanges with slots for screws (M4). Install on a flat, non-flammable surface with proper clearance for airflow.
How do I clean the driver?
Disconnect power. Use a dry, soft cloth to wipe the exterior. Do not use water, solvents, or abrasive cleaners. Ensure the ventilation holes are free of dust.
What is the warranty period and how to claim?
Mean Well provides a 5-year warranty. To claim, contact the place of purchase or an authorized distributor. Proof of purchase is required. The warranty covers defects in materials and workmanship.
User questions about HLG-120H-30A Mean Well
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your LED Controller in PDF format for free! Find your manual HLG-120H-30A - Mean Well and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. HLG-120H-30A by Mean Well.