1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of your Baomain LTP-502TJ Industrial Warning Light and Buzzer. This device is designed to enhance workplace safety by providing both visual (continuous red LED) and audible (buzzer) alerts in industrial environments. Please read this manual thoroughly before use and retain it for future reference.

Image 1.1: Baomain LTP-502TJ Industrial Warning Light and Buzzer. This image shows the complete assembly of the red LED warning light and integrated buzzer unit.
2. Product Features
- Durable Industrial Design: Constructed for industrial use with 110V AC power and a modern round LED light source.
- Dual Warning Signal: Features a continuous red LED light and an integrated audible buzzer to provide clear alerts for potential hazards.
- Robust Construction: Made from high-quality industrial plastic and electronic components for durability.
- Standard Voltage: Operates on 110V AC, suitable for various industrial applications.
- Compact and Versatile Mounting: Designed with a compact round shape and pre-drilled base for easy installation on flat surfaces or poles.
3. Technical Specifications
| Specification | Value |
|---|---|
| Model | LTP-502TJ |
| Operating Voltage | 110V AC |
| Light Source Type | Continuous Red LED |
| Alarm Type | Audible Buzzer (Siren) |
| Material | High-Grade Plastic & Electronic Parts |
| Product Dimensions (Base Diameter * Height) | 80 x 190mm / 3.1" x 7.5" |
| Net Weight | 250g / 0.55 lbs |
| Colour | Red |
| Mounting Type | Pole Mount |
| Certification | CE |

Image 3.1: Dimensions of the Baomain LTP-502TJ. This image illustrates the physical measurements of the warning light, including its height and base diameter.
4. Package Contents
The package includes:
- 1 x Baomain LTP-502TJ Industrial Signal Light (Red LED with Buzzer)
5. Safety Information
WARNING: Electrical shock hazard. Always disconnect power before installation, maintenance, or troubleshooting.
- Ensure the power supply matches the specified voltage (110V AC).
- Installation should be performed by qualified personnel in accordance with local electrical codes and regulations.
- Do not operate the device if it appears damaged.
- Keep away from water and excessive moisture.
- Ensure proper grounding if required by local codes.
6. Installation Instructions
The Baomain LTP-502TJ is designed for easy mounting on a flat surface or pole.
6.1 Mounting
- Select a suitable mounting location that is stable and provides clear visibility and audibility.
- Use the pre-drilled holes on the base of the unit as a template to mark drilling points.
- Drill appropriate holes and secure the unit using screws (not included) suitable for your mounting surface.

Image 6.1: Underside view of the Baomain LTP-502TJ showing the mounting base and wiring entry point. This image highlights the pre-drilled holes for secure installation.
6.2 Wiring
Refer to the wiring diagram below for proper electrical connections. Ensure power is disconnected before wiring.
- The unit operates on 110V AC.
- Grey wire: Common (Neutral). Connect to one side of the 110V AC power supply.
- Red wire: Light. Connect to the other side of the 110V AC power supply (Live/Hot) to activate the continuous red LED light.
- Violet wire: Buzzer. Connect to the other side of the 110V AC power supply (Live/Hot) to activate the audible buzzer.
- You can connect the red and violet wires to separate switches or a single switch depending on whether you want independent or simultaneous control of the light and buzzer.

Image 6.2: Wiring diagram for the Baomain LTP-502TJ. This diagram illustrates the connections for the common, light, and buzzer wires.
7. Operating Instructions
Once properly installed and wired, the Baomain LTP-502TJ operates as follows:
- Power On: Apply 110V AC power to the unit.
- Activate Light: If the red wire is connected to the live power supply, the continuous red LED light will illuminate.
- Activate Buzzer: If the violet wire is connected to the live power supply, the audible buzzer will sound.
- The light and buzzer can be activated independently or simultaneously based on your wiring configuration and control switches.
8. Maintenance
The Baomain LTP-502TJ is designed for low maintenance. Follow these guidelines to ensure optimal performance:
- Cleaning: Periodically wipe the exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Inspection: Regularly inspect the unit for any signs of physical damage, loose connections, or wear.
- Power Disconnection: Always disconnect power before performing any cleaning or inspection.
9. Troubleshooting
If you encounter issues with your Baomain LTP-502TJ, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light or Buzzer does not activate | No power supply; incorrect wiring; faulty switch. | Verify 110V AC power is supplied. Check wiring connections against the diagram. Test the control switch. |
| Buzzer sound is too low | Environmental noise; unit placement. | Ensure the unit is placed in an optimal location for audibility. The buzzer has a fixed volume. |
| Unit appears damaged | Physical impact; improper installation. | Discontinue use immediately. Contact customer support for assistance. |
10. Warranty and Support
Baomain products are manufactured to high-quality standards. For warranty information or technical support, please refer to the documentation provided with your purchase or contact your vendor. Keep your purchase receipt for warranty claims.