Computer Room Emergency Power Off

Notice the switch actuator.

Computer room emergency power off.

That is why an emergency power shutdown management system that overcomes these limitations is required. Emergency power off epo button. There is one epo button at each exit door. Computer room emergency power off figure.

For a recent commissioning project part of our scope of work was to test an emergency power system for a data center. Fire protection systems include. The history of the emergency power off switch dates back to 1959 when a fire in the air force s statistical division in the pentagon caused 6 9 million in. Emergency power off epo formally known as a disconnecting means is almost exclu sively a united states requirement.

The emergency power off button allows firemen to rapidly disconnect power controlled by the epo in the event of a fire and quickly shut down the hvac systems serving a data center. Epo or no a consideration of nec articles 645 10 and 685 most people in the electrical design and construction industry are inclined to associate a data center or critical environment with an emergency power off epo. Clean agents in extinguishers or halon supplied to the entire room evaporate completely without leaving any residue so they have the potential to extinguish. Because this data center was a very important part of the client company s work the system and all components needed to work as intended by the design and it was crucial that it be tested with all aspects involved before the data center was utilized.

The emergency power off epo button also called an epo switch or epo panel is a safety measure for quickly disconnecting electrical power to a particular piece of equipment or to an entire facility in the event of an emergency. The epo buttons have a protective cover to avoid accidental shutdowns. Best practice design of emergency power shutdown management systems there is a need for a system that more effectively consolidates controls and monitors the power off circuits for a room or zone protected by a fire protection system. Smoke detectors sprinklers clean agent gaseous fire extinguishers emergency power off break glass devices and halon gaseous fire suppression.

It is a safety mechanism that can be used to power down a single piece of electrical equipment or up to an entire room of equipment in an emergency in order to protect personnel and facilities. The preceding figure illustrates the back of the machine uepo panel with the room epo cable plugging into the machine. The button allows all power including uninterruptable power supplies upss. The server room has an emergency power off epo system which will cut all power to any and all equipment and electrical circuits in the machine room.