The ADELSYSTEM PSM242A is a compact industrial switching power supply designed for automation systems, industrial control applications, electrical panels, and electronic equipment requiring a stable and reliable 24V DC power source.

Manufactured in Italy by AdelSystem, this professional power supply delivers a regulated 24V DC output with a maximum current of 2.5A, providing up to 60W of output power. Its wide input voltage range of 115–230V AC, 50/60Hz allows installation in a broad range of industrial and commercial applications.

The unit features integrated Power OK and DC OK status LEDs for quick operational diagnostics, along with a built-in Vadj trimmer that allows fine adjustment of the output voltage.

Its compact aluminum housing is designed for DIN rail mounting, making it ideal for electrical cabinets, automation panels, industrial machinery, and control systems where space efficiency and reliability are essential.

📦 Manufacturer: AdelSystem

📦 Model: PSM242A

📦 Made in Italy

⚙️ Technical Specifications

Input

Input Voltage:

• 115 – 230 VAC

Frequency:

• 50 / 60 Hz

Input Current:

• 0.9 A @ 115 VAC
• 0.5 A @ 230 VAC

Output

Output Voltage:

• 24 VDC

Maximum Output Current:

• 2.5 A

Rated Output Power:

• 60 W

Output Voltage Adjustment:

• Via integrated Vadj trimmer

LED Indicators

• Power OK
• DC OK

Connections

AC Input

• L = Line
• N = Neutral
• PE = Protective Earth

DC Output

• +24V DC
• 0V (M)

Installation

• DIN Rail Mounting
• Industrial Control Panels
• Automation Cabinets
• Electrical Distribution Panels

✔ Professional industrial switching power supply

✔ Regulated 24V DC output

✔ Maximum output current of 2.5A

✔ 60W output power

✔ Fine output voltage adjustment

✔ Power and output status LEDs

✔ High reliability for continuous operation

✔ Compact DIN rail design

✔ Easy installation in electrical cabinets

✔ Made in Italy quality construction

🔌 Typical Applications

Ideal for:

✔ Industrial automation systems

✔ PLC controllers

✔ Electrical control panels

✔ Automated machinery

✔ Monitoring and control systems

✔ Industrial instrumentation

✔ Energy and photovoltaic systems

✔ Security and CCTV installations

✔ OEM industrial equipment

✔ Process control applications

🧩 Purpose and Operation

The ADELSYSTEM PSM242A converts standard AC mains voltage into a stable and regulated 24V DC output suitable for powering industrial electronics, automation devices, sensors, relays, PLCs, and control equipment.

Its compact design and DIN rail mounting capability make it particularly suitable for modern industrial control panels where reliable power distribution and space optimization are required.

The integrated status indicators provide immediate visual confirmation of operating conditions, simplifying diagnostics and maintenance activities.

⚠️ Typical Faults and Symptoms

Output Voltage Failure

Symptoms:

❗ No 24V DC output

❗ Connected equipment not powering up

❗ Complete system shutdown

Capacitor Aging

Symptoms:

❗ Output voltage fluctuations

❗ Increased electrical ripple

❗ Random controller resets

Overload Conditions

Symptoms:

❗ Voltage drop under load

❗ Intermittent operation

❗ Protection circuit activation

Terminal Oxidation

Symptoms:

❗ Unstable connections

❗ Intermittent power loss

❗ Excessive terminal heating

Internal Component Failure

Symptoms:

❗ Burnt smell

❗ Visible damage

❗ Complete loss of output power

🚨 Possible Associated Issues

A defective power supply may cause:

24V DC Supply Failure

PLC Faults

Control System Shutdown

Sensor Communication Errors

Monitoring System Failure

Machine Downtime

Unexpected Equipment Stops

Power Supply Alarms

Intermittent System Operation

Reduced Equipment Reliability

📦 Package Contents

1 × ADELSYSTEM PSM242A Industrial Power Supply

Accessories not included unless shown in the photographs

✅ Product Condition

Used

Tested and Verified Functional

Normal cosmetic signs of previous use

Sold exactly as shown in the photographs

🟢 Summary

The ADELSYSTEM PSM242A is a compact and reliable 24V DC 2.5A industrial switching power supply designed for DIN rail installation in automation systems, electrical control panels, PLC applications, photovoltaic systems, and industrial equipment. With 60W output power, integrated status indicators, adjustable output voltage, and robust Italian construction, it provides dependable performance for professional industrial environments requiring continuous and stable DC power.