Rhomberg MP820 Single Phase Motor / Pump Protection Relay

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Technical Description

DIN rail mount.Underload sensing by measuring phase angle (eg. Protection against running dry)Overload sensing by measuring current amplitude (eg. Protection against blockages or shut valve)Unit automatically calibrates for underload and overload detection at the push of a button.Calibration reset for easy setting up of motor changeover.Direct in-line current sensing for motors up to 1.1kW.Direct interface with conventional current transformer for motors>1.1kW.Liquid Level Control.Adjustable restart timer on underload (ie running dry).Fixed start-up delay (3 seconds standard).Unit latches in de-energised state on overload fault only.LED indication of all fault conditions and all modes of operation

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Rhomberg MP820 Single Phase Motor / Pump Protection Relay

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