Hree Phase Electronic Energy Meters

STANDARDS : Conforms to IS 13779, IS 14697, IEC 62052/62053 & CBIP Report No. 88
ACCURACY : Class 1.0 & 0.5 S
NOMINAL VOLTAGE : 3 x 240 Volts AC, Variation + 20% to - 40%
MAXIMUM CURRENT : 20A, 30A, 40A & 60A for Whole Current Meters & 120% of Ib for CT Operated Meters
NOMINAL FREQUENCY : 50 Hz +/- 5%
DISPLAY : 6 digits electromechanical stepper motor register or LCD display
ANTI TAMPER FEATURES :
o Meter records correct energy under reverse current connection.
o Meter records energy correctly even in the absence of Neutral.
o No effect of external magnetic field as per CBIP 88
o Meter works correctly irrespective of the phase sequence.
o Immunity to D.C. component in A. C. circuit
o Meter works even if only two phases or one phase & neutral are present.
o Power on indication by Three LED's one for each phase.
o Meter Base & Cover are provided for Ultrasonic Welding.
OPTIONAL FEATURES :
o Single wire operation
o Real Time
o Instantaneous Parameters like Voltage, Current, Load, Power Factor, Frequency etc.
o Maximum Demand
o TOD Metering
o RS 232/485 communication