Recent NEC updates require fire pump controllers to be protected with surge protective devices. This life-safety equipment is composed of intricate electronics that are susceptible to disruptions and damage caused by transient voltage.
Fire pumps are critical pieces of equipment within a fire sprinkler system. The devices are an integral part of supplying water pressure to the sprinkler system and assuring it’s proper and effective function.
Pumps can be powered via electric motors, diesel engines and occasionally steam turbines. Backup generators and transfer switches may also be part of the system.
Building or structure designs largely determine the requirement and implementation of fire pumps. Because of their size, large buildings and tall structures typically require the addition of these devices.
Changes to the National Electrical Code in 2017 included Surge Protection requirements to protect Fire Pump Controllers. Click NEC Surge Protection Updates to view.
Controllers are the sensitive electronics of a pump system. The controllers are contained inside of panels/cabinets. In general, these panel designs provide:
These are critical functions
that make the pump and sprinkler system operate effectively and
consistently. These sensitive controls need SPDs that protect against multiple surge types.
Various types of pump applications for Controllers can include:
For additional information on controllers, view this short article from UL.
Sensitive electronic panels and cabinets need to be protected with high quality, high performance surge protectors that mitigate both Impulse and RingWave surges. SPDs that protect against both surge types, in all modes, deliver Full Spectrum ProtectionTM.
High Performance, Optimal Response CircuitryTM designed SPDs may include but are not limited to:
Advanced SPDs employ true All-Mode Protection, kA ratings up to 900kA, Encapsulation Technology and a multi-stage, hybrid network design.
Many SPDs don't effectively protect against the constant battering from RingWave Transients. Ours Do.
Safeguard fire pump systems from the dangers of transient voltage with High
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