Introdución
This manual provides comprehensive instructions for the safe and effective installation, operation, and maintenance of your QXNASU SR-08 16A 250V Three-Speed Power Switch. Please read this manual thoroughly before use and retain it for future reference. This switch is designed for applications requiring a robust, panel-mounted control with multiple speed settings.
Información de seguridade
AVISO: Electrical work should only be performed by qualified personnel. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always disconnect power before installing, servicing, or removing the switch.
- Asegúrate do volume do interruptortage and current ratings (16A, 250V) are compatible with your application.
- Non expoña o interruptor á humidade nin a temperaturas extremas.
- Verifique que todas as conexións estean seguras e illadas correctamente.
- Do not modify the switch in any way.
Produto rematadoview
The QXNASU SR-08 is a durable, panel-mount, three-speed rocker switch designed for various electrical applications. It features a robust black housing and screw terminals for secure wiring.

Figura 1: Parte dianteira e traseira view of the QXNASU SR-08 switch, showing the rocker and terminal specifications.
Características principais:
- Modelo: SR-08
- Tipo: Ship Type Rocker Switch
- Valoración: 16A 250V AC (T125/55)
- Velocidades: Three-speed operation
- Montaxe: Montaxe en panel
- Terminales: Tipo de parafuso
- Material de contacto: Cobre

Figura 2: detallada view of the switch's rear, displaying electrical ratings (10A 250VAC, 16(4)A 250VAC, 10(3)A 250VAC, 16A 125VAC) and certifications (cURus, KEMA EUR).

Figura 3: Lateral view illustrating the screw terminals (1A, 1B, 1C, 2A, 2B, 2C) for wiring connections.
Especificacións
| Modelo | SR-08 |
| Marca | QXNASU |
| Vol. Operativotage | 250 voltios AC |
| Valoración actual | 16 Amperes |
| Modo de operación | Manual |
| Tipo de contacto | Normalmente aberto |
| Tipo de conector | Parafuso |
| Tipo de terminal | Parafuso |
| Tipo de circuíto | 3 vías |
| Tipo de montaxe | Montaxe en panel |
| Tipo de actuador | Hinge Lever (Rocker) |
| Material de contacto | Cobre |
| Número de postos | 3 |
| Cor | Negro |
| Número de peza | 123sh552 |
| UPC | 765569960805 |
Configuración e instalación
Before beginning installation, ensure all power to the circuit is disconnected at the main breaker or fuse box.
- Preparar o orificio de montaxe: Create a rectangular cutout in your panel that matches the dimensions of the switch body for a secure panel mount fit.
- Insert Switch: Gently push the switch into the prepared panel cutout until it snaps into place.
- Conexións de cable: Identify the appropriate terminals for your application. The SR-08 switch typically has multiple terminals (e.g., 1A, 1B, 1C, 2A, 2B, 2C) for different circuit configurations and speed settings. Refer to your appliance's wiring diagram for specific connections.
- Afrouxa os terminais de parafuso.
- Insira o extremo pelado do cable no terminal.
- Tighten the screw securely to ensure good electrical contact.
- Verificar conexións: Double-check all wiring for correct polarity and secure connections. Ensure no bare wires are exposed.
- Restaurar enerxía: Unha vez completada e verificada a instalación, restableza a alimentación do circuíto.
Note: The specific wiring configuration for three-speed operation will depend on the motor or device being controlled. Consult the wiring diagram of the device for proper connection to the switch's terminals.
Instrucións de funcionamento
The QXNASU SR-08 is a three-position rocker switch. The positions typically correspond to OFF and two different speed settings (e.g., Low, Medium, High, or OFF, Speed 1, Speed 2). The exact function of each position depends on how the switch is wired into your specific application.
- Position 1 (e.g., OFF/Neutral): The central or one end position typically serves as the OFF or neutral state, disconnecting power to the controlled device.
- Position 2 (e.g., Speed 1): Moving the rocker to the first active position will engage the device at its first speed setting.
- Position 3 (e.g., Speed 2): Moving the rocker to the second active position will engage the device at its second speed setting.
To change speeds, simply toggle the rocker switch to the desired position. Ensure the device is designed to handle speed changes via a switch of this type.
Mantemento
The QXNASU SR-08 switch is designed for long-term reliability with minimal maintenance.
- Limpeza: Periodically wipe the exterior of the switch with a dry, soft cloth. Do not use abrasive cleaners or solvents. Ensure power is disconnected before cleaning.
- Inspección: Regularly inspect the switch for any signs of physical damage, loose connections, or discoloration. If any issues are found, disconnect power and address them immediately.
- Terminal Integrity: Over time, vibrations can loosen screw terminals. Periodically check and tighten all terminal screws, ensuring power is off during this process.
Resolución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| Switch does not operate. | Sen alimentación ao circuíto. Cableado solto ou incorrecto. Interruptor defectuoso. | Comprobe a fonte de alimentación e o disxuntor. Verify all wiring connections are secure and correct (refer to installation section). If power and wiring are correct, the switch may be faulty and require replacement. |
| Device operates at wrong speed. | Incorrect wiring for speed settings. | Review the device's wiring diagram and ensure the switch terminals are connected correctly for the desired speed outputs. |
| O interruptor parece solto ou inestable. | Improper panel mounting. Damaged mounting clips. | Ensure the panel cutout dimensions are correct and the switch is fully seated. If mounting clips are damaged, the switch may need replacement. |
If you encounter issues not listed here or if troubleshooting steps do not resolve the problem, consult a qualified electrician.
Información da garantía
Specific warranty details for the QXNASU SR-08 switch are not provided in this manual. Please refer to your purchase documentation or contact the retailer/manufacturer directly for warranty terms and conditions.
Atención ao cliente
For technical assistance, questions regarding installation, or warranty claims, please contact the seller or manufacturer through the platform where the product was purchased. Have your product model number (SR-08) and purchase details ready when contacting support.