| Select Input Voltage: | 220V±20% (EU, UK, AU) (Base) |
|---|---|
| Availability | In Stock |
| Condition | Brand New |
The LTECH LM-75-24-G1M2F (upgraded NFC series) is a constant-voltage dmx led driver engineered to supply up to 75W at 24VDC from a 200-240VAC line input. Operating with standard DMX512 and bidirectional RDM protocols alongside AC Push DIM capability, this unit delivers deep linear dimming down to 0.1% with an operating PWM frequency up to 3600Hz. That high switching speed satisfies IEEE 1789 standards to achieve the exemption assessment tier for flicker-free operation, making it ideal for broadcast studios, galleries, and hospitality venues. Running at 93% typical electrical efficiency with an active power factor exceeding 0.97 at 230VAC, this compact 293×43×30mm unit serves as a direct led driver replacement for legacy DMX setups running 24V single-color or architectural LED tape.
Supports standard DMX512 control with RDM bidirectional device management alongside integrated AC Push DIM functionality.
Enables ultra-low 0.1% to 100% smooth dimming response without visible stutter, step distortion, or low-end dropout.
Operates at a PWM frequency up to 3600Hz to achieve the high-frequency exemption assessment level for flicker-free video capture.
Achieves 93% typical efficiency and a power factor greater than 0.97 at 230VAC full load, with standby draw below 0.5W.
Integrated safeguards automatically intervene against overload (≥102%), over-temperature (≥110°C PCB), over-voltage (≥26V), and short circuits.
Measures 293×43×30mm with removable terminal covers and integrated strain-relief wire pressing boards for tight ceiling coves.
| Parameter | Details |
|---|---|
| Model | LM-75-24-G1M2F (LM-75-24-G1M2 series) |
| Output Voltage | 24VDC |
| Output Voltage Range | 24VDC ±0.5VDC |
| Output Current | Max. 3.12A |
| Output Power | Max. 75W (0~75W continuous) |
| Ripple & Noise | ≤200mV |
| PWM Dimming Frequency | ≤3600Hz |
| Dimming Range | 0~100%, dimming depth: 0.1% |
| Dimming Interface | DMX512/RDM, Push DIM |
| Input Voltage | 220V±20% (EU, UK, AU), 200-240VAC |
| AC Frequency | 50/60Hz |
| Input Current | Max. 0.4A / 230VAC |
| Power Factor (PF) | >0.97 / 230VAC at full load |
| Total Harmonic Distortion (THD) | ≤14% at 230VAC at full load |
| Efficiency (Typical) | 93% |
| Standby Power Loss | <0.5W |
| Inrush Current | Cold start 30A at 230VAC |
| Surge Protection | Line to Neutral: 2KV |
| Leakage Current | Max. 0.5mA |
| Over-Heat Protection | Power throttling or shut down at PCB ≥110°C; auto recovers |
| Over-Load Protection | Shut down output when load ≥102%; auto recovers |
| Over-Voltage Protection | Shut down output when non-load voltage ≥26V; power cycle to recover |
| Short Circuit Protection | Shut down output automatically; auto recovers |
| Working Temperature | ta: -20°C ~ 50°C, tc: 80°C |
| Working Humidity | 20 ~ 95% RH, non-condensing |
| Dimensions (L×W×H) | 293 × 43 × 30 mm |
| Product Weight | 300g ± 10g |
Q: what is an led driver
A:An LED driver is a self-contained power supply that converts incoming high-voltage alternating current (AC) into the regulated low-voltage direct current (DC) required by LED fixtures.
Q: what does an led driver do
A:An LED driver regulates electrical voltage and current to match the specifications of connected LEDs while managing dimming signals and protecting circuits against overloads, over-temperature, and short circuits.
Q: is an led driver a transformer
A:An LED driver contains a transformer to step down high AC voltage to 24VDC, but it also integrates rectification, filtering, electronic feedback loops, and intelligent PWM dimming microprocessors that basic magnetic transformers lack.
Q: how to test a led driver
A:To test an LED driver, disconnect the load, measure the input terminals with a multimeter set to AC voltage (verifying 200-240VAC), and measure the DC output terminals with a DC voltmeter to ensure a steady 24VDC reading.
Q: Can I use the LM-75-24-G1M2 as a replacement led driver for my existing system?
A:Yes, it functions as a direct led light driver replacement for failed 24V units up to 75W, provided your mains input is 200-240VAC and your control protocol is DMX512 or Push DIM.
Q: Why does my LED fixture flash on and off in hiccup mode after turn-on?
A:The driver is designed for standard resistor current-limiting LED strip lights. Connecting fixtures with onboard constant-current ICs creates an instantaneous surge that trips the driver overload protection (≥102%).
Q: Does this dmx driver support RDM remote addressing?
A:Yes, this dmx driver supports standard RDM (Remote Device Management) protocol, allowing lighting consoles or RDM programmers to query status and rewrite DMX addresses remotely through the data line.
Q: What is the dimming range and PWM frequency of this unit?
A:The LM-75-24-G1M2 dims smoothly from 0% to 100% with a minimum depth of 0.1%, switching at up to 3600Hz PWM to ensure flicker-free lighting according to IEEE 1789 criteria.