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LED Freezer Lighting Dedicated Power Supply
Highlights and Features
1. DC 24V output; constant voltage design
2. Efficiency up to 90% @ 220VAC
3. Isolated architecture with high power factor
4. Suitable for powering freezer lighting
5. Suitable for Class I luminaires
6. 5-year warranty
Introduction
KFLY’s 80–250W series of fixed-output voltage LED drivers are suitable for powering lighting in various types of refrigerated display cases. These drivers meet global certification standards and feature SELV voltage output, ensuring safety even in the event of wiring or LED board damage; they are designed to Class I luminaire standards for easy installation. Additionally, their high efficiency meets energy-saving requirements, and optimal EMC performance was a key priority during development. Meticulously designed and rigorously tested, they operate reliably under diverse lighting conditions. Their exceptional durability offers customers peace of mind and reduces maintenance costs.
Model Information
| Model No. | Input Voltage Range | Rated Output Voltage | Rated Output Current |
| YDCA22010243A3BA | 120～277Vac | 24Vdc | 3.3A |
| YDCA22010244A1BA | 4.1A | ||
| YDCA22010246A5BA | 6.5A | ||
| YDCA22010241B0BA | 10A |
Input Ratings / Characteristics
| Model No. | 110100200018 | 110100200017 | |||
| Nominal Input Voltage | YDCA22010243A3BA | YDCA22010244A1BA | YDCA22010246A5BA | YDCA22010241B0BA | |
| Input Voltage Range | 200～242Vac | ||||
| Nominal Input Frequency | 120～277 Vac | ||||
| Input Frequency Range | 50 Hz | ||||
| Input Current (typ.) | 47～63 Hz | ||||
| Efficiency ¹) @ 230Vac | 0.42 typ. | 0.52 typ. | 0.82 typ. | 1.2 typ. | |
| Inrush Current Peak >50%, Duration | 90.1% typ. | 90.3% typ. | 90.7% typ. | 91.2% typ. | |
| Max. Quantity of Drivers per Circuit Breaker | B16 | 48.4A / 120us | |||
| C16 | 17pcs | 13pcs | 8pcs | 5pcs | |
| Power Factor @ Full Load | 22pcs | 17pcs | 11pcs | 7pcs | |
| Total Harmonic Distortion @ Full Load | > 0.95 | ||||
| Leakage Current | Complies with the IEC 61000-3-2 Class C standard | ||||
| < 0.7mA @ 230Vac | |||||
1) 100% load (typical value), tested after 30-minute warm-up.
Output Ratings / Characteristics
| Model No. | YDCA22010243A3BA | YDCA22010244A1BA | YDCA22010246A5BA | YDCA22010241B0BA |
| Rated Output Voltage | 24 Vdc | |||
| Output Current Range | 3.3A | 4.1A | 6.5A | 10A |
| Max. No-load Output Voltage | 26Vdc | |||
| Max. Output Power | 80W | 100W | 160W | 250W |
| Output Voltage Tolerance | ± 3% | |||
| Line Regulation | ± 1% | |||
| Load Regulation | ± 3% | |||
| Output Ripple | 900mV | |||
| Rise Time | < 50ms | |||
| Start-up Time | < 1.0s | |||
Mechanical Specifications
| Model No. | YDCA22010243A3BA | YDCA22010244A1BA | YDCA22010246A5BA | YDCA22010241B0BA |
| Housing | Black color coated steel sheet | |||
| Unit Weight [kg][lb] | 0.54 1.19 |
0.96 2.12 |
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| Cooling System | Natural convection cooling | |||
| Commercial Carton: Qty per Carton | 20pcs | 12pcs | ||
| Commercial Carton: Weight per Carton [kg][lb] | 11.2 24.7 |
12 26.5 |
||
| Input Terminal | 3*1.0mm wire | |||
| Output Terminal | 2*1.5mm*2 wire | |||
| Noise (at 30cm distance) | Sound Pressure Level (SPL) ＜ 24 dBA | |||
Environmental Specifications
| Model No. | YDCA22010243A3BA | YDCA22010244A1BA | YDCA22010246A5BA | YDCA22010241B0BA | |
| Ambient Temperature | Operating | -40°C to +40°C | |||
| Storage | -40°C to +85°C | ||||
| Max. Case Temperature (Tc) | +75°C | ||||
| Case Temperature (Tc) for Lifetime Test | +80°C | 75°C | |||
| Relative Humidity | Operating | 10 to 90% RH (non-condensing) | |||
| Storage | 5 to 95% RH (non-condensing) | ||||
| Environmental Rating | IP54; suitable for dry and damp environments | ||||
| Operating Altitude | Up to 5000 meters | ||||
Protection Functions
| Model No. | YDCA22010243A3BA | YDCA22010244A1BA | YDCA22010246A5BA | YDCA22010241B0BA |
| Overvoltage Protection | Auto-recovery after fault removal | |||
| Overload/Overcurrent Protection | Auto-recovery after fault removal | |||
| Short-circuit Protection | Auto-recovery after fault removal | |||
| Overtemperature Protection | Auto-recovery after fault removal | |||
| Suitable Luminaire Class | Class I, insulation class per IEC 60598 | |||
Reliability Data
| Model No. | YDCA22010243A3BA | YDCA22010244A1BA | YDCA22010246A5BA | YDCA22010241B0BA |
| Lifetime | 50,000 hours at lifetime-test case temperature | |||
| MTTF | 850,000 hours @ ambient temperature +45°C (per Telcordia SR-332, total failure rate below 10%) | |||
Safety Standards / Directives
| Model No. | YDCA22010243A3BA | YDCA22010244A1BA | YDCA22010246A5BA | YDCA22010241B0BA | |
| Electrical Safety | UL | UL 8750, Class P, Type "HL", Class 2 output | |||
| CSA | CAN/CSA C22.2 No.250.13 | ||||
| CB scheme | IEC 61347-1, IEC 61347-2-13, SELV outputIEC 60335-1, IEC 60335-2-89 including Annex BB, IEC 60335-2-24 including Annex CC | ||||
| CCC | GB 17625.1-2012, GB/T 17743-2021; | ||||
| GB 19510.1-2009, GB 19510.14-2009 | |||||
| RCM | AS 61347.2.13:2018 | ||||
| CE | AS/NZS 61347.1:2016, including Amendment A1 | ||||
| Ex | Compliant with directives: Low Voltage Directive 2014/35/EU; EMC Directive 2014/30/EU; RoHS Directive 2011/65/EU + (EU)2015/863; ErP Directive 2009/125/EC implementing measures, EU Regulation (EU)2019/2020 |
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| Isolation | Input | Output | Housing | ||
| Input | N/A | 3000Vac | 1800Vac | ||
| Output | 3000Vac | N/A | 500Vac | ||
| Enclosure | 1800Vac | 500Vac | N/A | ||
EMC
| Model No. | YDCA22010243A3BA | YDCA22010244A1BA | YDCA22010246A5BA | YDCA22010241B0BA |
| Radiated / Conducted Emission | Complies with BS EN / IEC 55015. Complies with FCC Part 15 Class A | |||
| Immunity | Complies with BS EN / IEC 61547 | |||
| Electrostatic Discharge (ESD) | IEC 61000-4-2 | ESD, Criterion A¹) or B²)Air discharge: 8kV; Contact discharge: 4kV | ||
| Radiated Immunity (RS) | IEC 61000-4-3 | RS, Criterion A¹) 80MHz-1GHz, 3V/m,1kHz sine wave / 80% AM modulation | ||
| Electrical Fast Transient / Burst (EFT/Burst) | IEC 61000-4-4 | 1kV, Criterion A¹) or B²) | ||
| Surge | IEC 61000-4-5 ANSI C62.41 |
Criterion A¹) or B²)Common-mode: 4kV; Differential-mode: 2kV1.2/50μs, 8/20μs composite wave, source impedance 2Ω (L-N),12Ω (L-PE & N-PE)Meets Category A1, with 2.5kV/100kHz ring wave, Criterion A¹) | ||
| Conducted Disturbance Immunity (CS) | IEC 61000-4-6 | 150kHz-80MHz, 3Vrms, Criterion A¹) | ||
| Power Frequency Magnetic Field Immunity (PFMF) | IEC 61000-4-8 | 3A/m, Criterion A¹) | ||
| Voltage Dips / Interruptions (Dips) | IEC 61000-4-11 | Criterion A¹) or B²); 100% dip; 0.5 cycle; self-recovery;30% dip; 10 cycles; self-recovery | ||
| Harmonic Current Emission | IEC 61000-3-2 | Class C (230Vac @ 100% load) | ||
| Voltage Fluctuation and Flicker | IEC 61000-3-3 | Pst ≤ 1.0; dmax ≤ 4%; Plt ≤ 0.65; dc ≤ 3.3%; Tmax ≤ 500ms | ||
1. Criterion A: Normal operation within specification limits.
2. Criterion B: Temporary degradation or loss of function, self‑recovery permitted.
Dimension Drawing
Dimensions (L × W × H)
| YDCA22010243A3BA | 244 x 44 x 33 mm |
| YDCA22010244A1BA | 244 x 44 x 33 mm |
| YDCA22010246A5BA | 235 x 60 x 38 mm |
| YDCA22010241B0BA | 235 x 60 x 38 mm |
Efficiency vs. Output Power Curve
Power Factor vs. Output Power Curve
Total Harmonic Distortion (THD) vs. Output Power Curve
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KFLY Electronic Tech. (Shanghai) Co., Ltd.
Founded in 2001, KFLY Electronic Tech. (Shanghai) Co., Ltd. is a foreign-invested high-tech enterprise and a Specialized, Refined, Differential and Innovative enterprise. We specialize in the R&D, production and sales of power electronic products, focusing on industrial special power supplies, intelligent control and special lighting sectors, and provide reliable hardware, software products and customized solutions for global customers.
The company’s three core product categories are LED explosion-proof power supplies, intelligent industrial control boards and special lighting products. Widely applied in explosion-proof industrial scenarios, cold chain equipment, water purification and disinfection, industrial automation, laboratory equipment and many other industries, we can offer customized product development services according to customer requirements.
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Address：No. 55 Dongye Road, Dongjing Town, Songjiang District, Shanghai
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phone：+86-137 6430 0036
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E-Mail：jiang.sheng@sh-kfly.com
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