PMC-53A Intelligent Multifunction Meter

Product Overview

PMC-53A Intelligent Multifunction Meter is CET’s latest offer for the low-cost digital power/energy metering market. Housed in a standard DIN form factor measuring 96x96x88mm, it is perfectly suited for industrial, commercial and utility applications.

The PMC-53A features quality construction, multifunction measurements and a large, backlit, Dot-Matrix LCD that is easy to navigate and user friendly. Compliance with the IEC62053-22 Class 0.5S, ANSI C12.20 Class 0.2 and EN50470-1/3 Class C Standards, it is a cost-effective replacement for analog instrumentation and is capable of displaying 4 measurements at once. It optionally provides I4 input for Neutral Current measurement, a second RS-485 port, up to six Digital Inputs for status monitoring, four Relay Outputs for control and alarm applications as well as other I/O options for different applications.

Dimension

Application

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Accuracy

Parameters	Accuracy	Resolution
Voltage	±0.2%	0.001V
Current	±0.2%	0.001A
I4 (measurement)	±0.5%	0.001A
P, Q, S	±0.5%	0.001kX
kWh, kVAh	IEC62053-22 Class 0.5S ANSI C12.20 Class 0.2 EN50470-1/3: 2006 Class C	0.1kXh
kvarh	IEC62053-24 Class 0.5S IEC62053-23 Class 2	0.1kvarh
PF	±0.5%	0.001
Frequency	±0.02Hz	0.01Hz
THD	IEC61000-4-7 Class B	0.001%
K-Factor	IEC61000-4-7 Class B	0.001
Phase Angle	±1°	0.1°

Technical Specifications

Voltage Inputs (V1, V2, V3, VN)

Standard Un	400ULN/690ULL
Range	10V to 1.2Un
Overload	1.2xUn continuous, 2xUn for 1s
Burden	<0.02VA per phase
Measurement Category	CAT III up to 600ULL
Frequency	45-65Hz

Current Inputs (I11, I12, I21, I22, I31, I32)

Standard In	5A (Optional 1A)
Range	0.1% to 200% In
Starting Current	0.1% In
Overload	2xIn continuous, 20xIn for 1s
Measurement Category	CAT III up to 600ULL
Burden	<0.15VA per phase @ 5A

Power Supply (L+, N-)

Standard	95-250VAC/DC, ±10%, 47-440Hz
Optional	20-60VDC
Burden	<2 W
Overvoltage Category	CAT III up to 300 ULN

Digital Inputs (DI1, DI2, DI3, DI4, DIC)

Type	Dry contact, 24VDC internally wetted
Sampling	1000Hz
Hysteresis	1ms minimum

Digital Outputs (DO11, DO12, DO21, DO22)

Type	Form A Mechanical Relay
Loading	5A @ 250VAC or 30VDC
Load Type	Resistive

Pulse Outputs (E1+, E1-, E2+, E2-)

Type	Form A Solid State Relay
Isolation	Optical
Load Type	Resistive
Output	Optocoupler output as ON-OFF
Max. Load Voltage	50VDC
Max. Forward Current	50mA

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