1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the ABB MPS3-230/24 Coated Power Supply. This unit is a reliable switch-mode power supply designed for industrial control cabinets, offering a stable 24 VDC output from a 95 to 265 VAC input.
2. Safety Information
Read all safety instructions carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Installation and maintenance must be performed by qualified personnel only.
- Ensure the power supply is disconnected from the main voltage before any installation, wiring, or maintenance work.
- Do not open the device enclosure. There are no user-serviceable parts inside.
- Protect the device from moisture, dust, and extreme temperatures.
- Ensure proper ventilation around the unit to prevent overheating.
3. Product Overview
The ABB MPS3-230/24 is a compact and efficient DIN rail mountable power supply. It features short-circuit and overload protection, ensuring reliable operation in demanding environments.
This image displays the ABB MPS3-230/24 Coated Power Supply from an angled perspective. The top surface shows product information and safety warnings. The front face features input terminals labeled 'INPUT 100-240V~ N L 1 2 3' and output terminals labeled 'OUTPUT 24V=/3A + - 4 5', along with an 'OK' indicator. The device is designed for DIN rail mounting, visible by the mounting mechanism at the bottom. Ventilation grilles are present on the sides.
Key Features:
- DIN rail mountable for easy integration into control cabinets.
- Wide input voltage range: 95 to 265 VAC.
- Stable 24 VDC output with a 3 Amp current rating.
- Integrated short-circuit and overload protection.
- LED indication for operational status.
- Coated for enhanced durability in industrial settings.
4. Setup and Installation
4.1. DIN Rail Mounting
- Ensure the DIN rail is securely mounted within the control cabinet.
- Position the power supply unit onto the DIN rail, ensuring the mounting clip engages correctly.
- Press the unit firmly until it clicks into place, indicating a secure attachment.
4.2. Wiring Connections
Before making any connections, ensure the main power supply is switched off.
- Input Connections (AC): Connect the AC input wires to the terminals labeled 'INPUT 100-240V~ N L 1 2 3'. Ensure correct polarity for Line (L) and Neutral (N). Terminal '3' is typically for protective earth (PE) if applicable.
- Output Connections (DC): Connect the DC load wires to the terminals labeled 'OUTPUT 24V=/3A + - 4 5'. Connect the positive (+) wire to terminal '4' and the negative (-) wire to terminal '5'.
- Use appropriate wire gauges for the current rating (3 Amps) to prevent overheating.
- Verify all connections are tight and secure to prevent loose contacts.
5. Operation
Once installed and wired correctly, the power supply is ready for operation.
- Power On: Switch on the main AC power supply to the unit.
- LED Indicator: The 'OK' LED on the unit will illuminate when the output voltage is within the specified range, indicating normal operation.
- The unit provides a stable 24 VDC output for connected devices.
6. Maintenance
The ABB MPS3-230/24 power supply is designed for minimal maintenance. However, periodic checks can ensure optimal performance and longevity.
- Cleaning: Periodically clean the unit's exterior and ventilation grilles with a soft, dry cloth to prevent dust accumulation. Ensure power is off before cleaning.
- Connection Check: Annually inspect all wiring connections for tightness and signs of wear or corrosion.
- Environmental Conditions: Ensure the operating environment remains within the specified temperature and humidity ranges.
7. Troubleshooting
If the power supply is not functioning as expected, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No output voltage / 'OK' LED off | No input voltage; Incorrect wiring; Overload/Short-circuit | Check input power supply; Verify wiring connections; Disconnect load and check for short-circuit. |
| Output voltage unstable | Input voltage fluctuations; Overload condition | Ensure stable input voltage; Reduce load or use a higher-rated power supply. |
| Unit feels excessively hot | Insufficient ventilation; Ambient temperature too high; Overload | Ensure adequate airflow; Check ambient temperature; Reduce load. |
If the problem persists after attempting these solutions, contact qualified service personnel.
8. Technical Specifications
| Specification | Value |
|---|---|
| Model Name | MPS3-230/24 |
| Input Voltage Range | 95 to 265 VAC |
| Output Voltage | 24 VDC |
| Output Current Rating | 3 Amps |
| Output Wattage | 72 Watts |
| Form Factor | DIN rail mountable |
| Dimensions (HxWxD) | 132 x 75 x 71 mm |
| Operating Temperature Range | 0 to +60 Degrees C |
| Cooling Method | Air |
| Protection | Short-circuit and overload protected |
| Indication | LED (OK) |
| Manufacturer | ABB |
9. Warranty and Support
9.1. Warranty
ABB products are manufactured to high standards and are typically covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to your purchase documentation or contact your supplier for specific warranty terms and conditions applicable to the MPS3-230/24.
9.2. Technical Support
For technical assistance, product inquiries, or service requests, please contact your local ABB representative or authorized distributor. Ensure you have the product model number (MPS3-230/24) and any relevant purchase details available when seeking support.
