High quality triac phase cut dimming led driver with UL certification, 5 years warranty compatible with standard wall TRIAC dimmer switches for commercial & residential LED lighting, smooth flicker‑free dimming performance.
UL cUL approved Triac phase cut dimming led driver 24vdc 60w for led cabinet lighting
High quality triac phase cut dimming led driver with UL certification, 5 years warranty compatible with standard wall TRIAC dimmer switches for commercial & residential LED lighting, smooth flicker‑free dimming performance.
• Input Voltage: 100-277vac
• Output Voltage: 24VDC
• Output Power: 60W
• Dimming Type: Triac/ELV/MLV dimming
• Warranty: 5 years warranty
• IP Rate: IP65
• Certification: CE ROHS UL/cUL FCC ROHS listed
UL cUL approved mini size triac phase cut dimming led driver 24vdc 60w for led cabinet lighting
What Is a TRIAC Phase Cut Dimming LED Driver?
A triac phase cut dimming led driver is a constant‑voltage or constant‑current power supply designed to work with traditional TRIAC wall dimmer switches. Unlike 0‑10V or DALI dimming drivers that need low‑voltage control wiring, phase‑cut drivers reuse existing household dimmer wiring, making them ideal for retrofit lighting projects.
Traditional incandescent and halogen lights relied on TRIAC dimmers. When switching to LED fixtures, ordinary LED power supplies often cause flickering, buzzing, or limited dimming range. A dedicated triac phase‑cut dimming led driver solves these pain points by matching the phase‑angle cutting signal from wall dimmers, delivering stable output current to LED modules, panels, downlights, or strip lights.
Two main phase‑cut modes exist: forward‑phase (leading‑edge) and reverse‑phase (trailing‑edge). Most triac phase‑cut dimming led drivers on the market support both types for wider dimmer compatibility.
| Model Number | MST-12060F1 | MST-24060F1 | MST-24096F1 |
| Output Type | |||
| Reted Power | 60W | 96W | |
| Reted Voltage | 12V | 24V | 24V |
| Reted Current | 5A | 2.5A | 4A |
| Voltage Tolerance | ±0.5V | ||
| Voltage Regulation | ±0.5% | ||
| Load Regulation | ±1% | ||
| Input Type | |||
| Voltage Range | 120-277V | ||
| Frequency Range | 47-63HZ | ||
| Efficiency（Typ.） | 87%@120VAC 88%@277VAC | 88%@120VAC 89%@277VAC | |
| Total Harmonic Distortion | THD< 15%(@100% load) | ||
| Power Factor(typ.) | 0.99@120VAC 0.98@277VAC | ||
| AC Current（Typ.） | 0.65A | 0.85A | |
| Inrush Current(Typ.) | 20A | 22A | |
| Leakage Current | <0.5mA | ||
| PROTECTION | |||
| Short Circuit | Hiccup mode, recovers automatically after fault condition is removed. | ||
| Over Load | ≤110% Hiccup mode, recovers automatically after fault condition is removed. | ||
| Over Temperature | 100℃±10℃ Intelligently reduce the output voltage and current.auto-recovery after over
load is removed |
||
| ENVIRONMENT | |||
| Working Temp. | Tcase=-40 ~ +40 (Please refer to“OUTPUTLOAD vs TEMPERATURE”section) | ||
| Working humidity | 20 ~ 95% RH non-condensing | ||
| Storage temp., Humidity | -40 ~ +90, 10 ~ 95% RH | ||
| Temp .coefficient | ±0.03%/℃（0～50℃） | ||
| Vibration | 10～500Hz, 5G 10min./1 cycle,period for 60min. each along X,Y,Z axes | ||
| SAFETY & EMC | |||
| Safety standards | UL8750, Class 2 | ||
| Safety standards | I/P-O/P:1.88KVAC | ||
| Isolation resistance | I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH | ||
| EMC Emission | Compliance to FCC part 15 Subpart B | ||
| OTHERS | |||
| Dimension | 90.3×41.8x24mm (L*W*H) | ||
| Packing | 0.18KG | ||
| Carton Size | 560x220x195mm(LxWxH) 100pcs/ctn 19.9kg±5%/ctn | ||
2. Core Benefits of UL‑Listed TRIAC Phase Cut Dimming LED Drivers
Choosing a UL‑certified triac phase‑cut dimming led driver is critical for North‑American residential, retail and commercial lighting installations. UL certification verifies safety against overheating, short‑circuit, over‑voltage and fire hazards for dry‑location indoor applications. Learn more about UL safety standards for LED power supplies
Key advantages:
- Retrofit‑friendly: Works with existing TRIAC wall dimmers, no extra control cables required, reduces renovation labor cost.
- Flicker‑free performance: Eliminates visible flicker at low brightness levels, protects human eyes for long‑time indoor use.
- Wide dimming range: Smooth dimming from near‑zero to 100% brightness, no sudden cut‑off at low dim levels.
- Low noise design: Minimal buzzing noise during dimming, suitable for bedrooms, offices, hotel rooms.
- Complete built‑in protections: Over‑current, short‑circuit, over‑temperature protection extend driver service life.
Note: Not every wall dimmer is fully compatible. Some low‑cost old‑model TRIAC dimmers may still generate minor buzzing even with high‑grade drivers. Always check dimmer‑driver compatibility charts before installation.
3. Constant‑Current vs Constant‑Voltage TRIAC Phase‑Cut Dimming LED Driver
You need to match driver output type with your LED load:
Constant‑Current triac phase cut dimming led driver
Output fixed current, adjustable voltage. Mainly used for LED downlights, panel lights, spotlights, individual LED lamp modules. Current ratings include 350mA, 500mA, 700mA, 1050mA options for different LED chip requirements.
Constant‑Voltage triac phase cut dimming led driver
Output fixed DC voltage, most commonly 12V DC or 24V DC. Perfect for LED strip lights, flexible ribbon lighting, multi‑light groups running on same voltage bus. All connected LED strips must share the same rated voltage.
Mismatching constant‑voltage and constant‑current loads will result in poor dimming behavior, light burnout or early driver failure.
4. Typical Application Scenarios
A reliable triac phase‑cut dimming led driver fits a wide range of indoor lighting projects across North America:
- Residential retrofit: living room, bedroom, kitchen recessed downlights
- Hospitality: hotel guest rooms, motel corridor lighting
- Commercial space: retail shop display lighting, office ceiling panels
- Architectural decorative lighting: low‑voltage LED strip accent lighting
Since it uses existing wall dimmer infrastructure, it becomes the preferred solution when customers refuse to re‑run new low‑voltage control wiring for 0‑10V or DALI systems.
5. Important Selection & Installation Tips
- Confirm input voltage: 120V AC for US market.
- Calculate load wattage: keep actual LED load between 20%‑90% of driver rated power. Running too light will cause dimming instability; full continuous overload will shorten lifespan.
- Pick correct output mode: constant‑current for discrete LED lamps; constant‑voltage for LED strips.
- Use UL‑approved dimmer models listed on driver compatibility document.
- Install in well‑ventilated dry enclosure; avoid sealed over‑tight junction boxes that trap heat.
- Do not mix non‑dimmable LED drivers on same dimmer circuit.
6. Frequently Asked Questions for TRIAC Phase‑Cut Dimming LED Driver
Q: Why does my setup buzz even with triac phase cut dimming led driver?
A: Buzz usually comes from the wall TRIAC dimmer unit rather than the driver itself. Try upgrading to high‑quality trailing‑edge dimmer switches.
A: Buzz usually comes from the wall TRIAC dimmer unit rather than the driver itself. Try upgrading to high‑quality trailing‑edge dimmer switches.
Q: Can I use TRIAC phase‑cut driver with 0‑10V dimmer?
A: No. TRIAC phase‑cut responds to AC phase‑angle modification. 0‑10V relies on separate analog signal wires. They are different dimming architectures.
A: No. TRIAC phase‑cut responds to AC phase‑angle modification. 0‑10V relies on separate analog signal wires. They are different dimming architectures.
Q: Is UL listing mandatory for USA indoor lighting projects?
A: Most local electrical codes require recognized safety certification for LED power supplies used inside occupied buildings. Always follow local NEC electrical requirements.
A: Most local electrical codes require recognized safety certification for LED power supplies used inside occupied buildings. Always follow local NEC electrical requirements.
