Description
Features
- Univeral AC input/Full range
- Protections: short circuit, overload and overvoltage
- Forced air cooling by built-in DC fan
- PWM control and regulated
- 100% full load burn-in test
- Low cost, compact size and high efficiency
Specification
| Model | ATO-S-300-24 | |
| Output |
DC Voltage | 24V |
| Rated Current | 12.5A | |
| Current Range | 0 ~ 12.5A | |
| Rated Power | 300W | |
| Ripple & Noise (Max.)(Note 2) | 150mVp-p | |
| Voltage Adjust Range | 20 ~ 26.4V | |
| Voltage Tolerance (Note 3) | ±1.0% | |
| Line Regulation | ±0.5% | |
| Load Regulation | ±0.5% | |
| Setup, Rise, Holdup Time | 200ms, 50ms, 20ms at full load | |
| Input | Voltage Range | 90 ~ 132VAC/180V~264VAC (selected by a switch) or 254 ~ 370VDC |
| Frequency Range | 47~63Hz | |
| Efficiency (Typ.) | 81% | |
| AC Current (Typ.) | 6.5A/115V AC 4A/230V AC | |
| Inrush Current (Typ.) | Cold start: 50A/230V AC | |
| Leakage Current | <3.5mA/240V AC | |
| Protection | Overload | 105~135% rated output power Protection type: Constant current limiting, recovers automatically after fault condition is removed. |
| Overvoltage | 27.6~32.4V Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
|
| Over temperature | RTH3 ≥65°C FAN ON, ≤55°C FAN OFF, ≥80°C output shut down. | |
| Environment | Working Temperature | -10 ~ +50℃ |
| Working Humidity | 20~90% RH non-condensing | |
| Storage Temperature | -20~+85℃ | |
| Storage Humidity | 10~95% RH non-condensing | |
| Temperature Coefficient | ±0.03%/℃ (0~50℃) | |
| Vibration | 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes | |
| Safety & EMC | Withstand Voltage | I/P-O/P: 1.5KVAC I/P-FG: 1.5KVAC O/P-FG: 0.5KVAC |
| Isolation Resistance | I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC/25℃/70% RH | |
| Others | MTBF | ≥234.3K hrs MIN. MIL-HDBK-217F (25℃) |
| Dimension | 215*115*50mm (L*W*H) | |
| Weight | 1.1kg | |
| Note | 1. All parameters NOT specially mentioned are measured at 230V AC input, rated load and 25°C of ambient temperature. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance includes set up tolerance, line regulation and load regulation. |
Dimensions (Unit: mm)
Details
SMPS Power Supply Applications
- Power Tools
Electric Saw, Drilling Machine, Ginder, Sand Blast Machine, Puching Machine, Weeding Machine, Air Compressor, etc. - Offices Devices
Computer, Printer, LCD Monitor, Scanning Machine, etc. - Electrics & Household Appliance
TV, VCRS, Radio, Dust Collector, Fan Lamp or LED Strip, Sewing Machine, Microwave Oven, Fridge/Freezr, Coffemarker, etc. - Industrial Equipemnt
Monitoring Equipment, Shipping, Vehicle, Metalhalide Lamp, Solar System, Wind Power Generation, etc.
Tips: How to maintain switching power supply (SMPS)?
In case of power failure, users can carry out maintenance by visual check, smelling, asking and measuring.
- Visual check: Open shell of the switching power supply to check whether the SMPS fuse has been blown. Check internal part of the SMPS power supply. If components on PCB are burned out, users shall check surrounding components and relevant circuit components.
- Smelling: Check whether there is burnt smell in internal part of the SMPS power supply and whether there is burnt-out component.
- Asking: Ask damaging process of the switching power supply and check whether there is violative operation.
- Measuring: Use multimeter to measure voltage at both ends of the HV capacitor before powering on.
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