PSU990KX - Uncategorized Pyramid - Free user manual and instructions
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| Product Type | DC Power Supply |
| Brand | Pyramid |
| Model | PSU990KX |
| Input Voltage | 100-240V AC, 50/60Hz |
| Output Voltage | 13.8V DC |
| Output Current | 10A continuous, 12A surge |
| Output Power | 138W |
| Cooling | Fan-assisted ventilation |
| Protection Features | Overload, short circuit, thermal protection |
| Indicators | LED power and protection lights |
| Output Connectors | 2 binding posts, 1 cigarette lighter socket |
| Dimensions | 8.9 x 5.9 x 4.7 inches |
| Weight | 6.5 lbs |
| Enclosure Material | Heavy-duty metal chassis |
| Primary Usage | CB radios, ham radios, LED lighting |
| Maintenance | Wipe with dry cloth, keep vents clear |
| Safety Certifications | CE, RoHS |
| Spare Parts | Replacement fuse and fan available |
Frequently Asked Questions - PSU990KX Pyramid
What is the Pyramid PSU990KX used for?
The PSU990KX is a 13.8V DC power supply ideal for powering CB radios, ham radios, LED lighting, and other 12V DC devices.
Can the PSU990KX charge a battery?
Yes, it can charge a 12V battery using the 13.8V output. However, it is not a dedicated charger, so monitor the charging process and use appropriate charging leads.
What is the maximum current output?
The maximum continuous current is 10 amps, with a 12 amp surge for short periods. This is sufficient for most mobile radios and accessories.
Does the PSU990KX have short circuit protection?
Yes, it features short circuit protection, along with overload and thermal protection, to safeguard both the power supply and connected equipment.
How do I connect my radio to this power supply?
Connect your radio's power cord to the binding posts (red positive, black negative) or use the cigarette lighter socket. Ensure polarity is correct before powering on.
Is the PSU990KX fanless?
No, it uses a fan-assisted cooling system to maintain safe operating temperatures under load. The fan is thermostatically controlled for quiet operation.
What is the warranty period for this device?
Pyramid typically offers a 1-year limited warranty against defects in materials and workmanship. Keep your receipt for warranty claims.
Can I use it to power LED strips?
Yes, the 13.8V DC output is perfect for 12V LED strips. Since the voltage is slightly higher, it may increase brightness slightly; ensure your LED strips are rated for 12-14V.
How should I clean and maintain the PSU990KX?
Unplug the unit before cleaning. Use a dry, soft cloth to wipe the exterior. Periodically check and clear dust from the ventilation slots and fan to prevent overheating.
Is it suitable for outdoor use?
No, the PSU990KX is designed for indoor use only. Keep it in a dry, well-ventilated area away from moisture and direct sunlight.
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USER MANUAL PSU990KX Pyramid
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Product information
Brand : Pyramid
Model : PSU990KX
Category : Uncategorized