1. Pengenalan
This manual provides detailed instructions for the safe and efficient operation of your Pyramid Universal Compact Bench Power Supply, model PS12KX.5. This linear regulated power supply is designed to convert 115V AC input to a constant 13.8V DC output, providing up to 10 amps continuous and 12 amps surge current. It is suitable for various applications including powering cellular phones, CB radios, scanners, and HAM radios.

Imej 1.1: Depan view of the Pyramid PS12KX.5 Bench Power Supply.
Untuk visual overview tentang produk ini, sila tonton video berikut:
Video 1.1: Produk rasmi tamatview of the Pyramid Universal Compact Bench Power Supply.
2. Arahan Keselamatan Penting
- Baca semua arahan: Before operating the power supply, read and understand all safety and operating instructions.
- Penggunaan dalaman sahaja: This unit is designed for indoor use in dry locations. Do not expose it to rain or moisture.
- Pengudaraan yang betul: Ensure adequate ventilation around the unit. Do not block ventilation openings. The built-in cooling fan requires clear airflow.
- Sumber kuasa: Connect the power supply only to a 115V AC, 60Hz outlet.
- Pembumian: Pastikan kord kuasa dibumikan dengan betul.
- Elakkan beban berlebihan: Do not exceed the rated output current of 10 amps berterusan atau 12 amps surge. Overloading can cause damage to the unit and connected devices.
- Perlindungan litar pintas: The unit features electronic overload and short circuit protection. In case of a short circuit, the unit will automatically protect itself. Remove the short and cycle the power to reset.
- Suhu: Do not operate the unit in excessively hot environments. The internal cooling fan helps manage temperature.
- Servis: Jangan cuba servis unit ini sendiri. Rujuk semua servis kepada kakitangan perkhidmatan yang berkelayakan.
3. Produk Lebihview
3.1 Panel Depan

Imej 3.1: Terperinci view daripada panel hadapan.
- NORMAL LED (Green): Illuminates when the power supply is operating normally.
- PROTECTION LED (Red): Illuminates when the unit enters protection mode due to overload, short circuit, or over-temperature.
- OUTPUT Terminals: Red (+) for positive, Black (-) for negative DC output. These are screw-type terminals for secure connections.
- Suis kuasa: Toggles the unit ON/OFF.
3.2 Panel Belakang

Imej 3.2: Terperinci view of the rear panel.
- Input AC: Standard 3-prong AC power cord connection.
- Kipas Penyejuk: Aktif secara automatik untuk menghilangkan haba semasa operasi.
- Fius: Provides additional protection. Refer to specifications for fuse rating.
4. Persediaan
- penempatan: Place the power supply on a stable, flat surface. Ensure there is sufficient space around the unit for proper ventilation, especially around the side and rear cooling vents.
- Sambungan Kuasa AC: Ensure the power supply's ON/OFF switch is in the OFF position. Connect the supplied AC power cord to the AC input on the rear panel of the power supply, then plug the other end into a standard 115V AC, 60Hz wall outlet.
- DC Load Connection: Identify the positive (+) and negative (-) terminals on your DC device. Using appropriate gauge wire, connect the positive wire from your device to the RED (+) output terminal on the power supply. Connect the negative wire from your device to the BLACK (-) output terminal. Ensure all connections are tight and secure to prevent arcing or poor contact.

Imej 4.1: Sisi view illustrating cooling vents.
5. Arahan Operasi
- Hidupkan kuasa: After ensuring all connections are secure, flip the POWER switch on the front panel to the ON position. The green NORMAL LED should illuminate, indicating normal operation.
- Pemantauan: Observe the NORMAL LED. If the red PROTECTION LED illuminates, the unit has entered protection mode. Refer to the Troubleshooting section for guidance.
- Matikan: To turn off the power supply, flip the POWER switch to the OFF position. Disconnect the DC load if the device will not be used for an extended period.
6. Penyelenggaraan
- Pembersihan: Keep the power supply clean and free of dust. Use a soft, dry cloth for cleaning. Do not use liquid cleaners or aerosols.
- Pengudaraan: Regularly check that the cooling fan and ventilation openings are not obstructed by dust or debris. Blocked vents can lead to overheating.
- Penggantian fius: If the unit fails to power on and the fuse is suspected, disconnect the AC power cord and replace the fuse on the rear panel with one of the identical type and rating (refer to Specifications).
This section outlines common issues and their potential solutions. If you encounter a problem not listed here, or if the suggested solutions do not resolve the issue, contact customer support.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| No power, no LEDs illuminated. | Unit not plugged in; AC outlet faulty; Power switch OFF; Blown fuse. | Check AC power cord connection; Test AC outlet; Ensure Power switch is ON; Check and replace fuse if necessary (refer to Maintenance). |
| Red PROTECTION LED is illuminated. | Overload; Short circuit at output; Over-temperature. | Reduce load current; Check for short circuits at output terminals; Ensure adequate ventilation and allow unit to cool. Cycle power to reset. |
| No DC output, but NORMAL LED is on. | Loose DC output connections; Faulty DC device. | Check and tighten DC output terminal connections; Test DC device with another power source if possible. |
| Unit feels excessively hot. | Blocked ventilation; Excessive load. | Ensure cooling fan and vents are clear; Reduce load current. |
8. Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Model | PS12KX.5 |
| Input Voltage | 115V AC, 60Hz |
| Keluaran Voltage | 13.8V DC (Tetap) |
| Arus Keluaran (Berterusan) | 10 Amps |
| Output Current (Surge) | 12 Amps |
| Output Wattage | 250 Watt |
| Reka Bentuk Bekalan Kuasa | Linear / Regulated |
| Terminal | Jenis Skru |
| Kaedah Penyejukan | Air (Built-in Fan) |
| Perlindungan | Electronic Overload, Short Circuit, Over-Temperature, Fuse Protected |
| Dimensi (L x W x H) | 7.9 x 7.2 x 4.7 inci |
| Berat badan | 8.73 paun |
| warna | Hitam |
9. Waranti dan Sokongan
Pyramid products are designed for reliability and performance. This product is covered by a limited manufacturer's warranty against defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
For technical support, warranty inquiries, or service, please contact Pyramid customer service. Contact information can typically be found on the manufacturer's webtapak atau disertakan dalam pembungkusan produk.
Pengeluar: Piramid
Webtapak: Visit the Pyramid Store on Amazon