BOSYTRO 24V 50A 1200W DC Switching Power Supply Instruction Manual SJK-24V-1200W

Introduction

This manual provides essential information for the safe and efficient operation of your BOSYTRO 24V 50A 1200W DC Switching Power Supply (Model SJK-24V-1200W). This unit converts AC mains power to a stable DC 24V output, suitable for a wide range of applications. Please read these instructions thoroughly before installation and use.

Safety Information

WARNING: Improper installation or use can lead to electric shock, fire, or damage to the power supply and connected devices. Always follow these safety guidelines:

Ensure the input voltage switch (115V/230V) is set correctly for your local power grid before connecting the power cord. Incorrect voltage selection will damage the unit.
This power supply is designed for indoor use only. Do not expose it to water, high humidity, or extreme temperatures.
Ensure proper ventilation to prevent overheating. Do not block the cooling fan or vents.
All wiring should be performed by qualified personnel, adhering to local electrical codes.
Connect positive (+) and negative (-) terminals correctly to avoid damage to the power supply and connected devices.
Do not overload the power supply. Ensure the total current draw of your devices does not exceed 50A and total wattage does not exceed 1200W.
The unit features multiple protection functions including overload, over-voltage, over-heat, short circuit, and earth leakage protection for enhanced safety.

24V DC Power Supply with Multiple Protection Functions — The power supply includes multiple protection features for safe operation, such as short circuit, over-voltage, overload, earth leakage, overcurrent, and overheat protection.

Product Overview

The BOSYTRO SJK-24V-1200W is a robust DC switching power supply designed for reliability and performance. It features an upgraded output port with a power cord for easier connection and an intelligent cooling system.

Key Features

High Power Output: Provides 24V DC at up to 50A, with a maximum power of 1200W.
Adjustable Voltage: Output voltage is adjustable within a ±10% range (21.6V-26.4V).
Universal Input: Supports AC 110V/220V input, selectable via a switch.
Efficient Cooling: Features a porous metal aluminum casing and an intelligent temperature-controlled fan for stable heat dissipation. The fan activates only when a certain operating temperature is reached.
Multiple Output Channels: Three output channels are available for connecting multiple load devices.
Enhanced Connectivity: Upgraded output port includes a power port and power cord, along with installation bracket and connection terminal accessories.
Comprehensive Protection: Built-in safeguards against overload, over-voltage, over-heat, short circuit, and earth leakage.

BOSYTRO 24V 50A 1200W DC Switching Power Supply with dimensions — Overview of the BOSYTRO 24V 50A 1200W DC Switching Power Supply, showing its dimensions and key specifications.

Intelligent Cooling System of the Power Supply — The power supply features an intelligent cooling system with a fan that activates based on operating temperature to prevent overheating.

Internal components of the 24V DC power supply — Detailed view of the high-quality electronic components, including aluminum housing, built-in filter, magnetic ring inductor, transformer, PCB circuit board, and heat sink.

Specifications

Feature	Specification
Brand	BOSYTRO
Model Number	SJK-24V-1200W
Input Voltage	AC 110V/220V (Switchable)
Output Voltage	DC 24V (Adjustable ±10%, 21.6V-26.4V)
Output Current	50A Max
Output Wattage	1200W Max
Efficiency	≥ 80%
Operating Temperature	14°F - 140°F (-10°C - 60°C)
Item Dimensions (L x W x H)	9.6 x 4.9 x 2.56 inches
Item Weight	1.3 Kilograms
Material	Aluminum Shell

Setup and Installation

Follow these steps for safe and correct installation of your power supply.

1. Select Input Voltage

Before powering on, verify the input voltage switch on the side of the unit is set to match your local power supply (115V for US/CA, 230V for EU). Incorrect selection will damage the power supply.

Input voltage selection switch for 115V or 230V — Locate the voltage selection switch and ensure it is set to the correct voltage for your region (115V or 230V). For more information, scan the QR code: QR Code Link

2. Check the Power Supply

Before connecting your device, perform a quick check of the power supply. Plug in the power cord, turn on the switch, and observe the red and green indicator lights. If both lights are on, the unit is functioning normally. After checking, turn off the switch and unplug the power cord before proceeding.

Checking the power supply with red and green indicator lights — Plug in the power cord and turn on the switch to check the indicator lights. Both red and green lights should be on for normal operation.

3. Connect Your Device

Connect the output terminal wiring from the power supply to your device. Ensure the positive (V+) and negative (V-) terminals are connected correctly. Cable lugs are provided to facilitate a more convenient and secure wire connection.

Wiring port diagram for 24V power supply — Detailed wiring port diagram showing AC input, power switch, adjustable voltage screw, and DC output terminals (V+ for positive, V- for negative).

Connecting a device to the 24V DC power supply using cable lugs — Connect your device's wires to the DC output terminals, ensuring correct polarity. Cable lugs can be used for a secure connection.

4. Start Your Project

After all connections are securely made and verified, plug in the power cord and turn on the power switch to energize your project.

LED strip powered by the 24V DC power supply — Once connected, turn on the power switch to begin operating your device.

Wall Mounting

The power supply comes with a bracket and screws for optional wall mounting. Ensure the mounting location is stable and allows for adequate ventilation around the unit.

Wall-mount installation of the power supply with bracket and screw — The power supply can be wall-mounted using the included bracket and screws for convenient placement.

Operating Instructions

Output Voltage Adjustment

The output voltage of the power supply can be fine-tuned within a ±10% range (21.6V-26.4V). To adjust, use a small screwdriver to carefully turn the 'ADJ' potentiometer located near the output terminals. Turn clockwise to increase voltage, counter-clockwise to decrease.

Output voltage trimming design with adjustment screw — Use a screwdriver to adjust the 'ADJ' screw for fine-tuning the output voltage within the specified range.

Applications

This versatile 24V DC switching power supply is suitable for a wide array of applications, including but not limited to:

LED Strips and LED Advertising Displays
3D Printers
CCTV and Security Monitoring Systems
DC Motors and Robotics
Ham Radios
Car Audio Systems
Medical Equipment
Industrial Automation Equipment

Various applications of the AC to DC converter — The power supply is suitable for diverse applications such as LED displays, security cameras, automation, car audio, LED light strips, and medical equipment.

Maintenance

To ensure the longevity and optimal performance of your BOSYTRO power supply, consider the following maintenance tips:

Keep Vents Clear: Regularly check that the cooling fan and ventilation holes are free from dust and obstructions. Blocked vents can lead to overheating and reduced lifespan.
Operating Environment: Operate the power supply within its specified temperature range (14°F - 140°F). Avoid excessively hot, humid, or dusty environments.
Cleanliness: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or solvents.
Secure Connections: Periodically check all wiring connections to ensure they remain tight and secure.

Troubleshooting

If you encounter issues with your power supply, consider these common troubleshooting steps:

No Power Output:
- Check if the power cord is securely plugged into both the power supply and the wall outlet.
- Ensure the power switch on the unit is in the 'ON' position.
- Verify the input voltage switch (115V/230V) is set correctly for your region.
- Check for tripped circuit breakers or blown fuses in your electrical system.
Output Voltage Incorrect:
- Use a multimeter to measure the output voltage.
- Adjust the 'ADJ' potentiometer as described in the 'Operating Instructions' section.
Overheating:
- Ensure the power supply's ventilation holes and fan are not blocked.
- Reduce the load connected to the power supply to ensure it is not overloaded.
- Verify the ambient operating temperature is within the specified range.
Intermittent Power:
- Check all wiring connections for looseness or damage.
- Ensure the total current draw of your devices does not exceed the power supply's maximum rating.

If these steps do not resolve the issue, please contact customer support.

Warranty and Support

Warranty Information

BOSYTRO offers a warranty for quality issues, allowing for returns or exchanges. Please refer to your purchase documentation for specific warranty terms and duration.

Customer Support

For technical assistance, warranty claims, or any questions regarding your BOSYTRO power supply, please contact the seller or BOSYTRO customer service through the platform where you made your purchase.

What's in the Box

Your BOSYTRO 24V 50A 1200W DC Switching Power Supply package includes:

1 x BOSYTRO 24V 50A 1200W DC Switching Power Supply (Model SJK-24V-1200W)
1 x Power Cord
1 x Installation Bracket
Connection Terminal Accessories (Cable Lugs, Screws)

Contents of the BOSYTRO power supply package — The package includes the power supply unit, power cord, installation bracket, and connection terminals.

BOSYTRO SJK-24V-1200W