1. Introducción
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the Mean Well EDR-120-24 AC/DC DIN Rail Power Supply. The EDR-120 series is an economical, slim 120W power supply designed for industrial applications. It is suitable for installation on TS-35/7.5 or TS-35/15 mounting rails, featuring a compact 40mm width for space-saving within cabinets. This unit operates effectively in ambient temperatures between -20℃ and 60℃ under air convection.
Please Note: The EDR series is primarily for industrial applications. For household applications, please choose the NDR series.
2. Información de seguridad
Lea atentamente todas las instrucciones antes de instalar y utilizar el producto. El incumplimiento de estas instrucciones podría provocar una descarga eléctrica, un incendio o lesiones graves.
- Personal calificado: La instalación y el mantenimiento sólo deben ser realizados por personal calificado.
- Desconexión de energía: Always disconnect the main power supply before any installation, wiring, or maintenance work.
- Puesta a tierra adecuada: Asegure una conexión a tierra adecuada para evitar descargas eléctricas.
- Ventilación: Maintain adequate ventilation around the unit. Do not obstruct ventilation openings.
- Condiciones ambientales: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture or corrosive environments.
- Especificaciones de alambre: Use copper wire only, rated for a minimum of 75℃.
- Uso industrial: This product is designed for industrial control equipment.
3. Producto terminadoview y características
The EDR-120-24 is a robust AC/DC power supply offering reliable performance for various industrial needs. Key features include:
- Producción: 24 V, 5 A, 120 W.
- Vol de entradatage: 90 ~ 264VAC / 124 ~ 370VDC.
- Protecciones: Short circuit, Overload, Over Voltage, sobre temperatura.
- Eficiencia: High efficiency of 87.5% (typical).
- Certificaciones: UL and CE certified, UL 508 (Industrial Control Equipment) approved.
- Diseño compacto: Slim 40mm width for space-saving DIN rail mounting.
- Enfriamiento: Air convection cooling.
Figura 1: Frente view of the Mean Well EDR-120-24 power supply, showing input/output terminals, voltage adjustment, and DC OK indicator.
4. Especificaciones mecánicas
The EDR-120-24 features a compact design suitable for DIN rail mounting. Detailed dimensions are provided below.
Figure 2: Mechanical drawing of the EDR-120-24, showing top, side, front, and bottom views with dimensions in millimeters (tolerance ±1mm).
Asignación de pines de terminales
| Pin No. | Asignación |
|---|---|
| 1 | FG (tierra del marco) |
| 2 | AC/N or DC - |
| 3 | AC / L o DC + |
| Pin No. | Asignación |
|---|---|
| 1,2 | SALIDA CC -V |
| 3,4 | SALIDA CC +V |
5. Instalación (Configuración)
Follow these steps for proper installation of the EDR-120-24 power supply.
5.1 Montaje
- The EDR-120-24 is designed for DIN rail mounting on TS-35/7.5 or TS-35/15 rails.
- Ensure sufficient clearance for air circulation. A minimum of 5mm left and right, 40mm above, and 20mm below the power supply is recommended for optimal cooling.
- To mount, hook the top edge of the power supply onto the DIN rail, then push the bottom edge firmly until it clicks into place.
Figura 3: Lado view que ilustra el mecanismo de montaje en riel DIN.
5.2 Cableado
All connections are made via screw terminal blocks. Refer to the Terminal Pin Assignment tables in Section 4.
- Input Wiring (TB1): Connect the AC mains (L, N) or DC input (+, -) to the corresponding terminals. Ensure the Frame Ground (FG) terminal is properly connected to earth ground. The input voltagEl rango es de 90-264 VCA o 127-370 VCC.
- Output Wiring (TB2): Connect your load to the DC OUTPUT +V and -V terminals.
- Tipo de cable: Use copper wire only, rated for a minimum of 75℃.
- Esfuerzo de torsión: Ensure terminal screws are tightened to the specified torque (Input: 6.5 Lb-in, Output: 5.5 Lb-in) to prevent loose connections.
Figura 4: Example wiring diagrams for different input configurations. Always refer to the product label for specific terminal markings.
6. Operación
Once installed and wired correctly, the EDR-120-24 is ready for operation.
- Encendido: Apply the specified AC or DC input voltage.
- DC OK Indicator: A green LED labeled "DC OK" will illuminate when the output voltage está dentro del rango aceptable.
- Vol de salidatage Ajuste: El volumen de salidatage can be finely adjusted using the "+V ADJ" potentiometer located on the front panel. Use a small screwdriver to turn the potentiometer clockwise to increase voltage o en sentido contrario a las agujas del reloj para disminuirla.
7. Mantenimiento
The EDR-120-24 is designed for long-term reliability with minimal maintenance. However, periodic checks are recommended.
- Limpieza: Keep the unit clean and free from dust and debris, especially around ventilation openings, to ensure proper air convection cooling. Use a soft, dry cloth for cleaning.
- Comprobaciones de conexión: Periodically inspect all wiring connections for tightness and signs of corrosion. Re-tighten screws if necessary after disconnecting power.
- Monitoreo ambiental: Asegúrese de que el entorno operativo permanezca dentro de los límites de temperatura y humedad especificados.
8. Solución de problemas
If the power supply is not functioning as expected, consider the following common issues:
- No Output / DC OK LED Off:
- Check input power connections and voltage.
- Verify that the input fuse (if external) is intact.
- Check for short circuits or overloads on the output. Disconnect the load and re-test.
- Ensure the ambient temperature is within the operating range.
- Operación intermitente:
- Verifique si hay conexiones de cableado sueltas.
- Verify that the load current does not exceed the rated output current (5A). Overload protection may be activating.
- Ensure adequate ventilation to prevent over-temperature shutdown.
- Volumen de salida incorrectotage:
- Adjust the "+V ADJ" potentiometer.
- Verifique el volumen de entradatage es estable y está dentro del rango especificado.
If problems persist after checking these points, contact qualified service personnel or the manufacturer.
9. Especificaciones técnicas
| Parámetro | Valor |
|---|---|
| Nombre del modelo | EDR-120-24 |
| Vol de salidatage | 24 V |
| Corriente nominal | 5A |
| Potencia de salida | 120 W |
| Vol de entradatage Rango | 90 ~ 264VAC / 127 ~ 370VDC |
| Frecuencia de entrada | De 47 a 63 Hz |
| Eficiencia (típ.) | 87.5% |
| Ondulación y ruido (máx.) | 120 mVp-p |
| Regulación de línea | 0.5% |
| Regulación de carga | 1% |
| Minimum Isolation Voltage | 3000 V CA |
| Protecciones | Short circuit, Overload, Over Voltage, sobretemperatura |
| Temperatura de funcionamiento | -20℃ a 60℃ |
| Método de enfriamiento | Air Convection |
| Dimensiones (L x An x Al) | 113.5 x 40 x 125.2 mm (4.47 x 1.57 x 4.93 pulgadas) |
| Montaje | Carril DIN |
| Peso | 600 gramos |
| Certificaciones | UL, CE, EU RoHS Compliant |
10. Garantía y soporte
This Mean Well power supply is manufactured to high-quality standards. For warranty information, please refer to the documentation provided with your purchase or contact your distributor. For technical support or service inquiries, please reach out to the seller or the official Mean Well support channels.
Manufacturer: MEAN WELL ENTERPRISES CO., LTD.
Distributed by: KAINSC PRODUCTS KAWAGUCH INDUSTRIAL SCIENTIFIC