1 INTRODUCTION
1-6
MPM OPTION SPECIFICATIONS
PHASE CURRENT INPUTS
Conversion: true rms, 64 samples/cycle
CT input: 1A & 5A secondary
Burden: 0.2 VA
Overload: 20xCT for 1s, 100xCT for 0.2s
Range: 1-150% of CT pri
Frequency: up to 32
nd
harmonic
Accuracy: ± 1% of display
VOLTAGE INPUTS
Conversion: true rms, 64 samples/cycle
VT pri/Sec: direct or 120-72000:69-240
Input range: 20-600 VAC
Full scale: 150/600 VAC autoscaled
Frequency: up to 32
nd
harmonic
Accuracy: ± 1% of display
ANALOG OUTPUTS
OUTPUT
0-1 mA (T1 Option) 4-20 mA (T20 Option)
MAX LOAD
2400 Ω 600 Ω
MAX OUTPUT 1.1 mA 21 mA
Accuracy: ±2% of full scale reading
Isolation: 50V isolated, active source
MEASURED VALUES
PARAMETER ACCURACY (%
OF FULL SCALE)
RANGE
VOLTAGE ±0.2% 20% TO 100% OF VT
kW ±0.4% 0-999,999.99 kW
kVar ±0.4% 0-999,999.99 kVar
kVA ±0.4% 0-999,999.99 kVA
kWh ±0.4% 0-999,999,999 kWh
PF ±1.0% ±0.00-1.00
FREQUENCY ±0.02Hz 20.00-70.00 Hz
CONTROL POWER
Input: 90 – 300 VDC or
70 – 265 VAC, 50/60 Hz
Power: nominal 10VA
maximum 20VA
Holdup: 100 ms typical (@ 120 VAC/125
VDC)
TYPE TESTS
Dielectric strength: 2.0 kV for 1 minute to relays,
CTs, VTs, power supply
Insulation resistance: IEC255-5,500Vdc
Transients: ANSI C37.90.1 Oscillatory
2.5kV/1MHz
ANSI C37.90.1 Fast Rise
5kV/10ns
Ontario Hydro A-28M-82
IEC255-4 Impulse/High
Frequency Disturbance
Class III Level
Impulse test: IEC 255-5 0.5 Joule 5kV
RFI: 50 MHz/15W Transmitter
EMI: C37.90.2 Electromagnetic Inter-
ference @ 150 MHz and 450
MHz, 10V/m
Static: IEC 801-2 Static Discharge
Humidity: 95% non-condensing
Temperature: -10°C to +60°C ambient
Environment: IEC 68-2-38 Tempera-
ture/Humidity Cycle
Dust/moisture: NEMA 12/IP53
PACKAGING
Shipping box: 8½" × 6" × 6" (L×H×D) 215cm ×
152cm × 152 cm (L×H×D)
Ship weight: 5 lbs/2.3 kg
CERTIFICATION
ISO: Manufactured to an ISO9001 certified
program
UL: Recognized under E83849
CSA: Recognized under LR41286
Note: It is recommended that all relays be powered
up at least once per year to avoid deterioration of
electrolytic capacitors in the power supply.
Due to updating technology, specifications may be improved with-
out notice.
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