Sonzrod HY15C
Sonzrod HY15C SPST Push Button Switch User Manual
Model: HY15C
1. Product Overview
This manual provides essential information for the installation, operation, and maintenance of the Sonzrod HY15C SPST Push Button Switch. This switch is designed for reliable on/off operation in various applications, including outdoor power equipment and industrial control panels.
Key Features
- SPST (Single Pole Single Throw) design for simple on/off control.
- High-capacity switching: 12A@250VAC / 18A@125VAC.
- IP54 waterproof durability, protecting against dust and water splashes.
- Direct OEM replacement for KEDU HY15C switches and cross-compatible with other models.
- Industrial-grade construction with UL 508 certification, suitable for harsh environments.
Package Contents
- 2-Pack HY15C SPST Push Button Switch

Image 1.1: Two Sonzrod HY15C SPST Push Button Switches. These switches feature a black push button and a white housing, with electrical ratings visible on the side.
2. Setup and Installation
Proper installation is crucial for the safe and effective operation of the HY15C switch. Ensure power is disconnected before proceeding with any installation steps.
2.1 Safety Precautions
- Always disconnect power to the equipment before installing or replacing the switch.
- Wear appropriate personal protective equipment (PPE), such as safety glasses and insulated gloves.
- Ensure wiring is performed by a qualified individual if you are unsure.
- Verify voltage and current ratings of the switch match the application requirements.
2.2 Dimensions and Electrical Schematics
Refer to the following diagram for physical dimensions and electrical connection details. The switch features a 2-pin SPST design with terminals 1 (COM) and 2 (NO).

Image 2.1: Detailed technical drawing showing the dimensions of the HY15C switch in millimeters, along with its electrical schematic. The schematic illustrates a single pole, single throw (SPST) momentary contact configuration.
2.3 Installation Steps
- Prepare the Mounting Location: Ensure the mounting hole in your equipment or panel is appropriately sized for the switch (refer to dimensions in Image 2.1).
- Connect Wiring: Identify the Common (COM) and Normally Open (NO) terminals on the switch. Connect the input power line to the COM terminal (Terminal 1) and the load line to the NO terminal (Terminal 2). Ensure secure connections.
- Mount the Switch: Insert the switch into the prepared opening. Secure it in place using any integrated mounting clips or screws as applicable to your equipment.
- Verify Connections: Double-check all wiring connections for correctness and security before restoring power.
3. Operating Instructions
The Sonzrod HY15C is a momentary action push button switch. It is designed for simple ON-OFF operation.
3.1 Basic Operation
- To Activate: Press and hold the black push button. While the button is pressed, the electrical circuit will be closed, and power will flow to the connected device.
- To Deactivate: Release the black push button. The switch will return to its original OFF (open circuit) position, interrupting power to the connected device.
This momentary action is typical for applications requiring a temporary power engagement, such as starting a motor or activating a function only while the button is held down.
4. Maintenance
The Sonzrod HY15C switch is designed for durability and requires minimal maintenance. Regular inspection can help ensure its longevity and reliable performance.
4.1 Cleaning
- Wipe the exterior of the switch with a clean, damp cloth.
- Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the switch or compromise its IP54 rating.
- Ensure the switch is dry before restoring power.
4.2 Inspection
- Periodically inspect the switch for any signs of physical damage, such as cracks in the housing or wear on the button.
- Check wiring connections to ensure they remain secure and free from corrosion.
- If the switch exhibits inconsistent operation or visible damage, it should be replaced immediately.
5. Troubleshooting
This section addresses common issues you might encounter with the HY15C switch.
| Problem | Possible Cause | Solution |
|---|---|---|
| Switch does not activate device. |
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| Switch button feels sticky or does not return. |
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| Intermittent operation. |
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If the problem persists after attempting these troubleshooting steps, contact the manufacturer or a qualified technician.
6. Specifications
Detailed technical specifications for the Sonzrod HY15C SPST Push Button Switch.
| Specification | Value |
|---|---|
| Model Number | HY15C |
| Operation Mode | ON-OFF (Momentary) |
| Current Rating | 12 Amps (250VAC) / 18 Amps (125VAC) |
| Operating Voltage | 250 Volts (AC) max |
| Contact Type | Normally Open (NO) |
| Circuit Type | SPST (Single Pole Single Throw) |
| Connector Type | Plug In |
| Terminal Type | Solder |
| Contact Material | Silver alloy (AgSnO) |
| Product Dimensions (L x W x H) | 2.45 x 2.12 x 1.31 inches (62.3mm x 33.5mm x 53.9mm) |
| Weight | 3.21 ounces |
| IP Rating | IP54 (Dust and splash protected) |
| Operating Temperature | -30°C to +85°C |
| Certifications | UL 508, CSA C22.2, RoHS |
7. Warranty and Support
Specific warranty details for the Sonzrod HY15C SPST Push Button Switch are not provided in this manual. For warranty information, technical support, or to inquire about replacement parts, please contact Sonzrod directly through their official website or the retailer where the product was purchased.
Please retain your proof of purchase for any warranty claims.
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