The LOP-300 is a 300W highly reliable, energy-efficient, low-profile open frame type power supply. With a high power density of 37.5W/in³ within the standard size of 4\" x 2\", it features a universal input voltage range of 80~264VAC, making it suitable for global applications. The series offers a comprehensive selection of standard voltages, including 12V/15V/18V/24V/27V/30V/36V/48V/54V. The main features of the LOP-300 include: low standby power (<0.5W), high efficiency (up to 94%), capable of providing 180W under natural air cooling and 300W with an additional fan. It has a 150% @ 3 seconds overload capacity, a wide operating temperature range of -40 to +80°C, compliance with OVCIII, suitable for Class I (with FG) or Class II (without FG) systems. The product has obtained multiple safety certifications, including 62368-1/60601-1/61558-1/60335-1, and is designed to meet 2xMOPP and extremely low touch leakage current <70 µA, making it suitable for BF class medical devices. With high product safety and excellent EMC performance, it is versatile and applicable in various fields such as ITE, medical, industrial control, home automation and more. It is a cost-effective slim open frame type power supply.
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Mean Well LOP-300 technical specifications.
| Power Output | 300W |
| Form Factor | 4"x2" Low Profile Open Frame |
| Dimensions (L x W x H) | 101.6 x 50.8 x 25.4mm |
| Power Density | 37.5W/in³ |
| Input Voltage Range (AC) | 80~264VAC |
| Input Voltage Range (DC) | 113~370VDC |
| No Load Power Consumption | <0.5W |
| Efficiency (Typ.) | 92.5~94% |
| Peak Load Capacity | 150% @ 3s |
| Rated Power (Convection) | 180W |
| Rated Power (Forced Air) | 300 (with 10.98CFM fan)W |
| Operating Temperature Range | -40~+80°C |
| Operating Altitude | 5000meters |
| Medical Compliance | 2xMOPP, BF rated |
| Leakage Current | Earth < 500 μA(rms), Touch < 70 μA(rms) @ 264VAC |
| Built-in Fan Supply | 12V/0.5A |
| Warranty | 3years |
| Output Voltage Options | 12, 15, 18, 24, 27, 30, 36, 48, 54VDC |
| Peak Output Current Range | 8.3 to 37.5A |
| 10.98CFM Output Current Range | 5.6 to 25A |
| Convection Output Current Range | 3.4 to 15A |
| Ripple & Noise (max) | 120 (12V) to 250 (30V, 36V, 48V, 54V)mVp-p |
| Voltage Adjustment Range | 11.4~12.6 (12V) to 52~58 (54V)V |
| Voltage Tolerance | ±3.0% (12V, 15V, 18V) to ±1.0% (24V and above)% |
| Line Regulation | ±0.5% |
| Load Regulation | ±1.0% |
| Setup, Rise Time | 1000ms, 30ms/230VAC; 1500ms, 30ms/115VAC |
| Hold Up Time (Typ.) | 16ms@180W load, 8ms@300W loadms |
| Frequency Range | 47~63Hz |
| Power Factor (full load) | >0.95/230VAC; >0.98/115VAC |
| AC Current (Typ.) | 3.5A/115VAC; 1.8A/230VACA |
| Inrush Current (Typ.) Cold Start | 40A/115VAC; 80A/230VACA |
| Overload Protection | 105~150% rated output power, Hiccup after 3 sec, auto-recovery |
| Over Voltage Protection | 13.2~15.6V (12V) to 59.4~67.5V (54V), Shut down o/p voltage, re-power on to recover |
| Over Temperature Protection | Shut down o/p voltage, auto-recovery |
| External Fan Supply Tolerance | -20~+15% at main output 20% rated current% |
| Working Humidity | 20~90 non-condensing% RH |
| Storage Temperature Range | -40~+85°C |
| Storage Humidity | 10~95 non-condensing% RH |
| Temperature Coefficient | ±0.03%/°C (0~50°C) |
| Vibration | 10~500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes |
| MTBF (Telcordia SR-332) | 2805.6Khrs min |
| MTBF (MIL-HDBK-217F) | 384.4Khrs min |
| Weight | 0.21Kg |
| Packing Quantity | 36pcs/carton |
| Packing Weight | 10Kg/carton |
| Packing Volume | 0.95CUFT |
| Safety Standard | CB IEC62368-1 |
| Safety Standard | CB IEC60335-1 |
| Safety Standard | CB IEC61558-1/-2-16 |
| Safety Standard | CB IEC60601-1 |
| Safety Standard | TUV BS EN/EN62368-1 |
| Safety Standard | TUV BS EN/EN60335-1 |
| Safety Standard | TUV BS EN/EN61558-1/-2-16 |
| Safety Standard | TUV BS EN/EN60601-1 (3.2 Version) |
| Safety Standard | UL UL62368-1 |
| Safety Standard | UL ANSI/AAMI ES60601-1 (3.2 Version) |
| Safety Standard | CCC GB4943.1 |
| Safety Standard | RCM AS/NZS 61558-1/-2-16 |
| Safety Standard | EAC TPTC 004 |
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