1. Introduktion
The Mean Well SP-240-15 is a high-performance 240W single output power supply designed for various industrial and commercial applications. It features a universal AC input, built-in active Power Factor Correction (PFC) function, and forced air cooling by an integrated DC fan, ensuring reliable and efficient operation. This manual provides essential information for the safe installation, operation, and maintenance of your SP-240-15 power supply.
2. Sikkerhedsinstruktioner
Please read and understand all safety instructions before installing or operating the unit. Failure to comply with these instructions may result in electric shock, fire, or damage to the product.
- Afbryd strømmen: Always ensure the AC input power is disconnected before performing any installation, wiring, or maintenance procedures.
- Korrekt jording: The unit must be properly grounded to prevent electric shock. Connect the FG (Frame Ground) terminal to earth ground.
- Kvalificeret personale: Installation og service bør kun udføres af kvalificeret og autoriseret personale.
- Ventilation: Ensure adequate ventilation around the power supply. Do not block the fan or ventilation openings. Operating temperature range is -20°C to +70°C (refer to derating curve).
- Miljøforhold: Do not operate the unit in environments with excessive moisture, dust, or corrosive gases.
- Udgangsbelastning: Do not exceed the rated output power or current. Overloading may cause damage or reduce the lifespan of the unit.
- Interne komponenter: Åbn ikke strømforsyningen casing. Der er ingen dele indeni, som kan serviceres af brugeren.
3. Produktet er slutview
The Mean Well SP-240-15 power supply is designed for robust performance, featuring a durable metal enclosure and efficient cooling.

Nøglefunktioner:
- Universal AC input / Full range (88 ~ 264VAC)
- Built-in active PFC function (PF>0.95 at 230VAC)
- Forceret luftkøling med indbygget DC blæser
- Beskyttelser: Kortslutning, Overbelastning, Over voltage, over temperatur
- 100% full load burn-in test for reliability
4. Opsætning og installation
Proper installation is crucial for the safe and reliable operation of the SP-240-15 power supply.
4.1 Mekanisk installation
The unit should be mounted in a location that allows for adequate airflow around the fan and ventilation openings. Refer to the mechanical drawing for dimensions and mounting hole locations.

Dimensioner: 199mm (L) x 99mm (W) x 50mm (H) (7.83 x 3.9 x 1.97 inches).
4.2 Ledningsforbindelser
Connect the input and output wires to the terminal block as indicated on the unit's label and in the diagram below. Ensure all connections are secure and correct polarity is observed.
- AC-indgang: Connect the Live (L), Neutral (N), and Frame Ground (FG) wires to the corresponding terminals. The unit accepts universal AC input from 88 to 264VAC.
- DC-udgang: Connect the positive (+V) and negative (-V) load wires to the DC OUTPUT terminals.
- Voltage Justering: Output voltage can be adjusted using the '+V ADJ' potentiometer located near the output terminals. Use a small screwdriver for fine-tuning within the specified range (13.5V to 18V).
Terminal Pin-tildeling:
- Pin 1: AC/L
- Pin 2: AC/N
- Pin 3: FG (Frame Ground)
- Pin 4: DC OUTPUT -V
- Pin 5: DC OUTPUT -V
- Pin 6: DC OUTPUT +V
- Pin 7: DC OUTPUT +V
5. Betjeningsvejledning
Once properly installed and wired, the SP-240-15 power supply is ready for operation.
- Tænd: Apply AC input voltage to the unit. The internal fan will start operating, and the output voltage will be present at the DC output terminals.
- Udgang Voltage Tjek: Bekræft output voltage using a multimeter. Adjust the '+V ADJ' potentiometer if necessary to achieve the desired voltage inden for området 13.5V til 18V.
- Belastningsforbindelse: Connect your load to the DC output terminals. Ensure the load current does not exceed the rated 16A.
- PFC funktion: The built-in active PFC function ensures high power factor and reduced harmonic distortion, optimizing energy efficiency.
6. Vedligeholdelse
The Mean Well SP-240-15 is designed for long-term reliability with minimal maintenance. However, periodic checks can help ensure optimal performance.
- Rensning: Periodically inspect the unit for dust accumulation, especially on the fan and ventilation openings. Clean with a soft brush or compressed air to maintain proper cooling. Ensure power is disconnected before cleaning.
- Tilslutningskontrol: Regularly check all input and output wiring connections to ensure they are secure and free from corrosion.
- Miljøinspektion: Kontroller, at driftsmiljøet holder sig inden for de angivne temperatur- og fugtighedsområder.
7. Fejlfinding
If the power supply is not functioning as expected, refer to the following troubleshooting guide:
- No Output Voltage:
- Check if AC input power is present and connected correctly.
- Verify input fuse (if external) is intact.
- Ensure the unit is not in protection mode (e.g., due to overload or over-temperature). Disconnect power, wait a few minutes, and reapply.
- Udgang Voltage Too Low/High:
- Check the '+V ADJ' potentiometer setting.
- Ensure the load is not drawing excessive current, causing voltage drop.
- Enheden lukker ned:
- Overbelastningsbeskyttelse: If the load current exceeds 105-135% of the rated output power, the unit will enter hiccup mode and recover automatically once the fault condition is removed. Reduce the load.
- Over Voltage Beskyttelse: Hvis output voltage exceeds 17.25-20.25V, the unit will shut down. Re-power the unit to recover.
- Over temperatur beskyttelse: If the internal temperature exceeds 80°C ±5°C, the unit will shut down. It will recover automatically once the temperature drops. Ensure proper ventilation.
- Ventilatoren kører ikke:
- The fan operates based on temperature. It may not run at low loads or cool ambient temperatures.
- If the unit is hot and the fan is not running, check for obstructions or fan failure.
If problems persist after following these steps, contact qualified service personnel.
8. Specifikationer
Detailed technical specifications for the Mean Well SP-240-15 power supply.

| Kategori | Parameter | SP-240-15 |
|---|---|---|
| PRODUKTION | DC VolTAGE | 15V |
| MÆRKET AKTUEL | 16A | |
| NUVÆRENDE OMRÅDE | 0 ~ 16A | |
| MÆRKELØB | 240W | |
| RIPPEL OG STØJ (maks.) | 150mVp-p | |
| BINDTAGE ADJ. RÆKKEVIDDE | 13.5 ~ 18V | |
| BINDTAGE TOLERANCE | ±1.0 % | |
| LINE FORORDNING | ±0.5 % | |
| LASTREGULERING | ±1.0 % | |
| OPSÆTNING, STIGETID | 600ms, 50ms/230VAC; 1500ms, 50ms/115VAC ved fuld belastning | |
| HOLDETID (Typ.) | 20ms/230VAC; 20ms/115VAC ved fuld belastning | |
| INPUT | BINDTAGE OMRÅDE | 88 ~ 264VAC; 124 ~ 370VDC |
| FREKVENSOMRÅDE | 47 ~ 63Hz | |
| POWER FACTOR (Typ.) | PF>0.95/230VAC; PF>0.98/115VAC at full load | |
| EFFEKTIVITET (Typ.) | 86 % | |
| AC STRØM (Typ.) | 3.6A/115VAC; 1.8A/230VAC | |
| INRUSH STRØM (Typ.) | 25A/115VAC; 40A/230VAC | |
| LÆKSTRØM | <3.5mA/240VAC | |
| BESKYTTELSE | OVERBELASTE | 105 ~ 135% rated output power. Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
| OVER BINDTAGE | 17.25 ~ 20.25V. Protection type: Shut down o/p voltage, tænd igen for at genoprette. | |
| OVER TEMPERATUR | 80°C ±5°C (TSW1). Protection type: Shut down o/p voltage, recovers automatically after temperature goes down. | |
| MILJØ | ARBEJDSTEMP. | -20 ~ +70°C (Refer to "Derating Curve") |
| ARBEJDSFUGT | 20 ~ 90% RH ikke-kondenserende | |
| OPBEVARINGSTEMP., FUGT | -40 ~ +85°C, 10 ~ 95% RH | |
| TEMP. KOEFFICIENT | ±0.03 %/°C (0 ~ 50°C) | |
| VIBRATION | 10 ~ 500 Hz, 2G 10 min./1 cyklus, 60 min. hver langs X-, Y-, Z-akser | |
| SIKKERHED & EMC | SIKKERHEDSSTANDARDER | UL60950-1, TUV EN60950-1 approved |
| MOTSTAND VOLTAGE | I/P-O/P:3KVAC; I/P-FG:1.5KVAC; O/P-FG:0.5KVAC | |
| ISOLERINGSMODSTAND | I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25°C / 70% RH | |
| EMC-EMISSION | Overholdelse af EN55022 (CISPR22) Klasse B, EN61000-3-2,-3 | |
| EMC IMMUNITET | Compliance to EN61000-4-2,3,4,5,6,8,11, EN55024, light industry level, criteria A | |
| ANDRE | MTBF | 284.9K timer min. MIL-HDBK-217F (25°C) |
| DIMENSION | 199*99*50 mm (L*B*H) | |
| PAKNING | 0.8 kg; 16stk / 13.8Kg / 0.04CUFT |
9. Garanti og support
The Mean Well SP-240-15 power supply comes with a 3 års garanti fra købsdatoen, dækker defekter i materialer og udførelse ved normal brug.
For technical support, warranty claims, or service inquiries, please contact your authorized Mean Well distributor or reseller. Please have your product model number and purchase information available when contacting support.