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Product
Home » ProductRH-3AV331H Three-Phase Digital Display Voltmeters | |
Measure three-phase AC voltage or DC voltage with high-precision. Provide LED display and local data query. Programmable voltage transformation ratio. Support RS-485 communications and Modbus-RTU protocol. Support switch input, switch output and analog output. Power supply: AC / DC 80V~270V、 A C 2 2 0 V、A C 3 8 0 V、A C 100V There are various choices of dimensions to meet the requirements of different electrical circuit enclosure. Technical Index Accuracy Measurement Voltage class: 0.5 Input Measurement
Wiring 3-phase 3-wire、3-phase 4-wire Overload Sustained: 1.2 times; Instantaneous: 2 times/ 1s Power consumption <1VA (per phase) Impedance >300mΩ Frequency 45~65Hz
Power supply Power consumption < 4 V A Functional Module Communication interface 1 loop RS-485 Communication, MODBUS-RTU protocol Baud rate: 2400 ~ 19200bps, Default: 2400bps Switching value input 4 loops switching value input, dry joint Switching value output 3 loops relay output, capability: AC 250V/5A,DC 30V/5A Transmission output 3 loops analog output: 0/4~2 0 m A o r 0~5 / 1 0 V Environment Operational environment - 1 0℃~ + 5 5℃ Storage environment - 2 5℃~ + 7 0℃ Relative humidity ≤9 3 %,in the place without corrosive gas Height above sea level ≤2 5 0 0 m Safety
Insulation resistance > 1 0 0 MΩ Electrical Fast Transient pulse train class 4 Electrical surge class 4 Outline Dimension External Dimension( m m ) 1 2 0×1 2 0;8 0×8 0;9 6×4 8;9 6×9 6;8 0×8 0;4 8×4 8;1 2 0 x 6 0;1 6 0 x 8 0Cutout Dimension( m m ) 1 1 1×1 1 1;7 6×7 6;9 2×4 5;9 2×9 2;6 8×6 8;4 5×4 5;1 1 4 x 5 6;1 5 2 x 7 6 Specification Matching
Note: The number of optional extended functions would be the maximum number we can extend in normal conditions. Terminal Connection Diagram Note:In case of any discrepancy, the diagram painting on the meter housing shall prevail.
Typical Wiring Diagram
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