Do I need EPO if my ups is off?
Once you understand it, you will know when and how to use it directly. As we know, UPS is Uninterruptible Power Supply, that means it is always supplying power to your load, even if the mains is off. In some special cases, you may want to turn off the UPS to make sure no power is left under an emergency condition. In this case you need EPO.
What is an emergency power off (EPO) system?
An Emergency Power Off (EPO) system is a control mechanism, formally known as a “disconnecting means.” It is intended to power down a single piece of electronic equipment or an entire installation from a single point. EPO is employed in many applications Need help? Start here! Find answers now.
What is an uninterruptible power supply (UPS)?
An uninterruptible power supply (UPS) is a critical electrical device designed to deliver emergency power to a load in the event of a failure in the input power source or mains power.
What is EPO and why is it important?
EPO (Emergency Power Off): this feature on UPS systems can cause many problems to the smooth running of the power protection installation. Primarily, the feature enables the UPS system to be ‘made safe’ in the event of an emergency.
Why is my EPO circuit not working?
Further problems with EPO circuits can be caused during the original installation of the UPS system. Possibly where the designer, trying to make the operation of the EPO more secure, may also connect the under-voltage trips of circuit breakers supplying the UPS system. This can make the service engineer’s task even more daunting.
Do I need EPO?
In this case you need EPO. For example, when firing at a room without UPS, the first thing is to turn off the electricity power to make sure no further risky point to get fire, and make sure people won’t get electric shock when extinguishing, especially by using water.
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means of the application of the following standards in accordance with the specifications of the harmonized standards: • 2006/95/EC Low voltage directive. Standards as reference: • EN-IEC 62040-1. Uninterruptible power supply (UPS). Part 1-1: General and safety requirements for UPS''s used in accessible areas by end users.
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