1. Introducció
This manual provides detailed instructions for the safe and efficient operation of your Intermatic HB300RCL Outdoor Mechanical Timer. This device is designed to automate the ON/OFF cycles of outdoor electrical appliances, offering convenience and energy management. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Informació important de seguretat
ADVERTIMENT: Per reduir el risc d'incendi, descàrrega elèctrica o lesions personals, seguiu sempre aquestes precaucions de seguretat bàsiques:
- Read all instructions before using the timer.
- No submergiu el temporitzador en aigua ni l'exposeu a una humitat excessiva.
- Ensure the timer is securely mounted or placed in a stable position to prevent accidental dislodgement.
- Do not exceed the electrical ratings of the timer (12 Amp, 120 Volts, 1500 Watts).
- Always unplug the timer from the power source before performing any maintenance or adjustments.
- Mantingueu els nens allunyats del temporitzador i dels aparells connectats.
- Do not use the timer with appliances that could create a hazardous condition if left unattended, such as power tools or heating elements.
- If the timer or its cord is damaged, discontinue use immediately and contact a qualified electrician or Intermatic customer support.
3. Contingut del paquet
Your Intermatic HB300RCL package should contain the following item:
- 1 x Intermatic HB300RCL Outdoor Mechanical Timer with integrated power cord and single receptacle.
4. Característiques del producte

Figura 1: Intermatic HB300RCL Outdoor Mechanical Timer. This image displays the timer's gray plastic housing, a transparent hinged cover for weather protection, the central mechanical dial with time markings, and the red and green trippers used for setting ON/OFF times. A white ON/OFF indicator switch is visible above the dial, and a black power cord with a standard two-prong plug extends from the bottom.
The Intermatic HB300RCL timer offers the following key features:
- Temporitzador mecànic per a exteriors: Designed for reliable use in outdoor environments.
- 2 On/Off Settings Per Day: Allows for two distinct ON periods and two distinct OFF periods within a 24-hour cycle.
- 12 Amp Capacitat: Suitable for controlling a variety of outdoor lighting and appliance loads.
- Captured Trippers: Integrated trippers (red for OFF, green for ON) are securely attached to the dial, preventing loss.
- On/Off Indicator Light: A visual indicator to confirm the timer's current state.
- Single Receptacle: Provides one grounded outlet for connecting an appliance.
5. Configuració
5.1 Muntatge del temporitzador
The HB300RCL timer can be mounted to a wall or post using the keyhole slot located on the back of the unit. Ensure the mounting location is protected from direct heavy rain and is easily accessible for setting and adjustments. If temporary placement is desired, ensure the timer is on a stable, level surface.
5.2 Configuració de l'hora actual
- Locate the rotating dial on the front of the timer. The dial is marked with 24 hours, typically with AM/PM indicators.
- Rotate the entire dial clockwise until the current time aligns with the "TIME OF DAY" arrow indicator (usually a small triangle or line) located in the center of the dial.
- Ensure you correctly distinguish between AM and PM hours when setting the current time.
5.3 Connexió a l'alimentació
Plug the timer's integrated power cord into a standard 120V outdoor-rated, grounded electrical outlet. Ensure the outlet is protected by a Ground Fault Circuit Interrupter (GFCI) for outdoor use safety.
6. Instruccions de funcionament
6.1 Configuració dels temps d'encesa/apagada
The timer uses captured trippers to set the ON and OFF times. There are typically two sets of trippers: a green tripper for ON and a red tripper for OFF.
- Estableix l'hora d'encesa: Locate the green tripper. Push it inwards towards the center of the dial at the desired time you want the connected appliance to turn ON.
- Hora d'apagada: Locate the red tripper. Push it inwards towards the center of the dial at the desired time you want the connected appliance to turn OFF.
- You can set up to two ON/OFF cycles per 24-hour period. Ensure the ON tripper is set before the OFF tripper for each cycle.
- The dial will rotate continuously. When the current time reaches a set tripper, the timer will switch the power state.
6.2 Using the Manual ON/OFF Switch
A manual ON/OFF switch is located above the dial. This switch allows you to override the timer's program temporarily. Pushing the switch will toggle the power to the connected appliance without affecting the set program. The indicator light will show the current power status.
6.3 Connecting an Appliance
Plug the appliance you wish to control into the single receptacle on the bottom of the timer unit. Ensure the appliance's power requirements do not exceed the timer's 12 Amp, 1500 Watt capacity.
7. Manteniment
- Neteja: Netegeu periòdicament l'exterior del temporitzador amb un drap suau i sec.amp cloth. Do not use abrasive cleaners or solvents. Ensure the timer is unplugged before cleaning.
- Inspecció: Regularly inspect the power cord and plug for any signs of damage, fraying, or corrosion. Check the timer housing for cracks or damage.
- Funda protectora: Keep the clear protective cover closed when the timer is in use to shield the mechanical components from weather elements.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Timer is not turning ON/OFF at set times. |
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| Appliance connected to timer is not receiving power. |
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| Protective cover does not stay closed. |
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| Time markings on dial are difficult to read. |
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9. Especificacions
| Número de model | HB300RCL |
| Marca | Intermatic |
| Voltage | 120 Volts |
| Ampedat | 12 Amps |
| Wattage | 1500 watts |
| Nombre de configuracions ON/OFF | 2 per dia |
| Material | Plàstic |
| Color | Gris |
| Pes de l'article | 8 unces |
| UPC | 078275110861 |
| Dimensions (paquet) | 11.2 x 6.8 x 2.4 polzades |
10. Garantia i Suport
10.1 Informació de la garantia
This Intermatic HB300RCL timer comes with a Garantia limitada de per vida. For specific terms, conditions, and limitations of this warranty, please refer to the official Intermatic warranty documentation or visit the manufacturer's weblloc.
10.2 Atenció al client
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Intermatic customer support. You can typically find contact information on the official Intermatic weblloc: www.intermatic.com.





