DTSY23/26 Three-phase Prepayment Energy Meter
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Electronic Three-phase Four-wire Energy Meter (CT Input) , Three-phase Three-wire Energy Meter (CT Input) and Three-phase Four-wire Energy Meter (Direct Input) adopt the latest micro-electronic technology to measure three-phase AC active power energy with frequency 50/60Hz, meanwhile fulfill prepayment management function which means paying the expenses firstly, consuming energy afterwards as well as load control function. This series of watt-hour meter has special outside structure and exclusive function features which can suit for different requirements for power consuming.
Overdraft can be permitted once under emergency condition, the overdraft amount=Load Gate x 24 Hours. When meter trips at overload or the energy is exhausted, signal will be sent out for external warning facilities to remind customer of purchasing power or reducing load used. Load control can be selected.
(1) Delaying trip at overload and the delay time can be selected freely
(2) No trip at overload but measuring overload energy separately