DIN Rail Power Meters
ME131: Multi-Circuit Smart Energy Meter DIN Rail
ME231: Three-phase Multifunctional Smart Meter DIN Rail
ME531 / ME531SD: Power Meter DIN Rail as below
ME531 SD / ME531 Power Meter DIN Rail
Model Name: ME531 SD / ME531 Power Meter DIN Rail
The ME531 Power Meter DIN Rail is a multifunction power meter designed for power analysis and energy metering applications.
Here are the specifications and features of the ME531:
Feature Specification:
Product Component Type: Multifunction power meter
Poles Description: 3PH4W, 3PH3W, 1PH2W (L-N); 1PH2W (L-L); 1PH3W (L-L-N)
Device Application: Power analysis, Energy meter
Input Type: External CT (333mV only) and External Rogowski coil
Display: None Display
Sampling Rate: 8k samples per second
Mounting Mode: DIN RAIL
Harmonic: 52nd Max
Mechanical Characteristics:
Weight: 125g. Dimension: LWD: 1228723mm
Instantaneous RMS Values:
Voltage: U, UTH2, UTH3, UTH4 (Per Phase, AVG)
Current: I, ITHD2, ITHD3, ITHD4 (Per Phase, AVG)
Power: P, Q, S, PF (Per Phase, SUM)
Energy: EP, EQ, ES, Freq (Per Phase, SUM) over 1.0 x 10^9 kWh, value reset
UTHD(%): UTHD, THD2, THD3, THD4 (Per Phase, AVG)
ITHD(%): ITHD, THD2, THD3, THD4 (Per Phase, AVG)
PF: PFa, PFb, PFc, AVG
Update Rate: Data Acquisition Rate: 400ms
Calibration:
Current: Per phase, all
Voltage: Per phase, all
Power Factor: Per phase, all
Energy: Reset to “0” EP, EQ, ES, all phase
Environmental Conditions:
Operating Temperature: -25℃ to +55℃. Storage Temperature: -40℃ to +85℃
Humidity Rating: 5 to 95% RH at 50℃ (non-condensing)
Pollution Degree: 2
Overvoltage Category: III, for distribution systems up to 277/480VAC
Dielectric Withstand: As per IEC61010-1, Doubled insulated front panel display
Altitude: 3000m Max
IP Degree of Protection: IP20 conforming to IEC 60629
Color: White
Contractual Warranty: 12 months
EMC (Electromagnetic Compatibility):
Electrostatic Discharge: Level IV (IEC61000-4-2)
Immunity to Radiated Fields: Level III (IEC61000-4-3)
Immunity to Fast Transients: Level IV (IEC61000-4-4)
Immunity to Surge: Level IV (IEC61000-4-5)
Conducted Immunity: Level III (IEC61000-4-6)
Immunity to Power Frequency Magnetic Fields: 0.5mT (IEC61000-4-8)
Conducted and Radiated Emissions: Class B (EN55022)
Standard Compliance:
EN 62052-11, EN 61557-12, EN 62053-21, EN 62053-22, EN 62053-23, EN 50470-1, EN 50470-3,
EN 61010-1, EN 61010-2, EN 61010-031
Measurement Accuracy:
Current: 0.5% from 1% to 120% (doesn’t ensure accuracy when <10A)
Rated Current: (5 level selectable), 100A (0.5% from 10A to 120A), 600A (0.5% from 10A to 720A), 1000A (0.5% from 10A to 1200A), 3000A (0.5% from 30A to 3600A), 6000A (0.5% from 60A to 7200A).
Rogowski Coil Connect Setting: 100A: MRC-16, 600A: MRC-36, 1000A: Y-FCT-200 or Y-FCT-350 or NRC-100, 3000A: NRC-150 or Y-FCT-510, 6000A: NRC-200 or Y-FCT-800.
Voltage: 0.2% from 80V to 400V (or 100 to 500V)
Power Factor: ±0.005 from 10% to 120%
Active/Apparent Power: IEC 62053-22 Class 0.5
Reactive Power: IEC 62053-21 Class 2
Frequency: 0.01% from 45 to 65Hz
Active Energy: IEC 62053-22 Class 0.5s
Reactive Energy: IEC 62053-21 Class 2
Measurement Range:
Measured Voltage: 80V to 400V AC (or 100 to 500V). Frequency Range: 50/60Hz
Input-Current Characteristics:
Primary Current Range: Adjustable from 0.1A to 9999A.
Measurement Input Range:
1/225mV-333mV. Permissible Overload: 600mV for 10s/hours.
Power:
AC/DC: 24VDC
Output:
Relay: 1× digital output (2 ports) from 1pcs relay, rated 24V/800mA, 75mΩ max, 2.5kVrms insulation (controlled by Modbus)
Maximum Switching Power:
0.5A, 125VAC, 1A, 30VDC
Optical Coupler:
Max voltage: 80VDC; Max current: 50mA, Recommend Current: 10mA
Wire Diameter for Terminals: Connections-Terminals: Screw terminals 2.5mm2, interval 5.08mm
Alarm:
Setting: U and I Each phase, AVG
Output Form: Relay