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PCHUB.UK£89.71Visit shop Eaton 3S700b Uninterruptible Power Supply (Ups) 420 W 8 Ac Outlet(S)
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The Eaton 3S700B is an affordable and reliable offline Uninterruptible Power Supply (UPS) designed for home and small business users. It offers essential surge and power protection for your critical electronics like desktop computers and internet gateways, ensuring uninterrupted operation during short power outages. While it provides robust protection, users should note that it is an offline UPS, meaning there is a brief switchover time during a power event.
| Model Part Number | 3S700B |
|---|---|
| Brand | Eaton |
An offline UPS (also known as standby UPS) primarily runs connected devices directly from wall power. It only switches to battery power when it detects a power interruption or significant voltage fluctuation. There is a brief delay (transfer time) during this switch.
The battery runtime depends on the total power consumption (load) of the connected devices. The 3S700B with its 420W capacity is designed for short outages, providing enough time to save work and shut down equipment. For extended runtimes, a larger UPS or external battery modules would be necessary.
It is generally not recommended to plug laser printers into the battery-backed outlets of this UPS. Laser printers have high power demands, especially during warm-up, which can overload the UPS and cause it to shut down or trip its breaker.
The UPS will typically emit audible alarms and/or show an indicator light when the battery is low or needs replacement. The monitoring software, if installed, can also provide battery health status.
Battery-backed outlets provide both power surge protection and backup power from the UPS battery during an outage. Surge-only outlets only provide protection against power surges and spikes; they do not provide battery backup.
The primary maintenance involves keeping the UPS clean, ensuring ventilation is unobstructed, and periodically testing its functionality. The internal battery will eventually degrade and require replacement, typically after 3-5 years of use.
Ensure the power cord is securely plugged into both the UPS and a working wall outlet. Check if the circuit breaker on the UPS (if applicable) has tripped. Try a different wall outlet.
A continuous beep usually indicates a power failure or overload. Check if the unit is running on battery. If it is, try disconnecting some devices to reduce the load. If it's not on battery, check the input power connection.
The connected equipment may be drawing more power than the UPS can supply (overload). Disconnect some devices from the battery-backed outlets. The battery may also need charging or replacement if it's old.
Ensure the UPS is plugged into a working outlet and is powered on. Check the battery connection inside the UPS. If the issue persists, the battery may need replacement.
Verify the USB cable is securely connected at both ends. Ensure the correct UPS monitoring software is installed and running. Restart both the computer and the UPS.
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