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MINIMUM
CURRENT RELAY to trip a motor when loading is below the preset value,
to be used in conjunction with the existing DOL or star delta starter.
Supplied with one ring type current transformer(C.T.) of appropriate
capacity, electronic relay to disconnect supply to the contactor coil
of the starter when the current drawn by the motor falls below the
value set. The C.T. is built in for low currents and for higher
currents it is supplied separately and should be inserted in one of the
lines at the cable entry point to the starter or at any other
convenient location to sense the line current. The relay is to be
mounted next to the starter.
Overload protection can also be provided as optional facility.
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