Motor failure in pumping applications can lead to unnecessary costs and loss of productivity, therefore a good electronic motor protection relay, when related to pumps, should always protect against the pump running dry. When a pump operates outside its optimised load characteristics it will eventually fail. One aspect to monitor is load loss that can cause undesirable vibrations and subsequent rapid failure of the pump.
NewElec’s UCR 80 load loss protection relay is an ideal partner in a pump monitoring circuit because the user is able to accurately monitor adverse load loss effects as required. It is also possible to record impellor wear over time by periodic checks on the equipment. This allows the user to decide on the drop in efficiency level at which he plans to replace the impellor.
This relay does provide ‘dry run’ protection but can equally be used to measure pump efficiency declines over time. It is equipped with an alarm and main trip output contact and is user-friendly.
The UCR 80 provides blocked delivery or loss of prime in pumping applications, prevents conveyors running idle, as well as V-belt slippage.
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