OL5KSTF - Inverter CyberPower - Free user manual and instructions
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| Product Type | Online Double-Conversion UPS |
| Brand | CyberPower |
| Model | OL5KSTF |
| Power Capacity | 5000VA / 4500W |
| Input Voltage | 208V / 220V / 230V / 240V |
| Output Voltage | 208V / 220V / 230V / 240V (configurable) |
| Frequency Range | 40 to 70 Hz |
| Waveform | Pure Sine Wave |
| Transfer Time | 0 ms (online double-conversion) |
| Battery Type | Sealed Lead-Acid (maintenance-free) |
| Typical Runtime | 5 to 10 minutes at full load (may vary with battery configuration) |
| Battery Charging Time | 4 to 8 hours to reach 90% capacity |
| Communication Interfaces | USB, RS-232, SmartSlot (optional SNMP/AS400) |
| Display | LCD status panel with controls |
| Advanced Features | Automatic Voltage Regulation (AVR), surge protection, overload protection, short-circuit protection |
| Cooling | Smart variable-speed fan |
| Dimensions (H x W x D) | 176 x 440 x 700 mm (approximate) |
| Weight | 60 kg (approximate) |
| Operating Temperature | 0 to 40 °C |
| Noise Level | Less than 55 dB |
| Safety Standards | CE, UL, and other international certifications |
| Warranty | 3 years for parts and labor, 1 year for battery |
| Maintenance and Cleaning | Keep ventilation slots dust-free; replace battery every 3-5 years; run periodic self-test |
| Spare Parts and Repairability | Battery, cooling fan, and control board are replaceable by qualified technicians |
Frequently Asked Questions - OL5KSTF CyberPower
How do I set up the CyberPower OL5KSTF UPS for the first time?
Connect the UPS to a grounded wall outlet, then press the power button to start charging the internal battery. Allow the battery to charge for at least 4 hours before connecting your equipment. Afterwards, plug your critical devices into the output sockets and press the Test button to confirm the UPS is working properly.
What does online double-conversion technology mean?
Online double-conversion means the UPS continuously converts incoming AC power to DC to charge the battery and then converts DC back to AC to power your equipment. This provides zero transfer time and perfect isolation from utility power irregularities, ensuring the highest level of protection.
How often should I replace the battery in the OL5KSTF?
The typical battery life is 3 to 5 years depending on usage and environmental conditions. CyberPower recommends replacing the battery when the battery health indicator drops below 80% or after 4 years of use, whichever comes first.
Can I connect the UPS to a network for remote monitoring?
Yes, the OL5KSTF is equipped with USB and RS-232 ports, and it also includes a SmartSlot for installing an optional SNMP/AS400 card. This allows you to monitor and manage the UPS remotely via network management software.
How do I protect my equipment from power surges?
The OL5KSTF includes built-in surge protection and Automatic Voltage Regulation (AVR). It automatically corrects voltage fluctuations and filters out spikes without using battery power, which extends the life of both the UPS and your connected equipment.
What is the recommended maintenance routine for this UPS?
Regular maintenance includes keeping the vents clean of dust, performing a monthly self-test, checking battery health quarterly, and ensuring the operating environment is within the specified temperature range (0-40°C). Avoid deep discharges and charge the UPS immediately after a power outage.
Can I replace the internal battery myself?
The battery is user-replaceable in most cases, but you should consult the manual for safety procedures. If you are not comfortable working with high-voltage electronics, it is best to contact a qualified technician or CyberPower support for assistance.
What does the LCD display show?
The LCD panel shows important information such as input/output voltage, load level, battery charge, runtime estimate, alarm status, and operating mode (e.g., normal, battery, or bypass). Use the buttons to navigate through the display settings.
Is the OL5KSTF suitable for sensitive electronic equipment?
Absolutely. The OL5KSTF delivers a pure sine wave output and zero transfer time, making it ideal for servers, network switches, medical devices, and other sensitive electronics that require clean, uninterrupted power.
What precautions should I take during a lightning storm?
While the OL5KSTF has built-in surge protection, it is recommended to also use a dedicated lightning protection system for maximum safety. Additionally, ensure the UPS is plugged into a properly grounded outlet and avoid touching connected equipment during a thunderstorm.
User questions about OL5KSTF CyberPower
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USER MANUAL OL5KSTF CyberPower
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Product information
Brand : CyberPower
Model : OL5KSTF
Category : Inverter