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- 8 models and 9 protective elements |
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- Implements 0.5 class measurement precision through a dedicated protection and measurement algorithm. - Displays measurement values using 4-line VFD to allow easy identification. - If an accident occurs, the screen automatically displays the accident situation to show the cause of the accident. | |
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- Uses standard protocol Modbus to ensure compatibility of communication. - Use of ProNET-iMC enables high-speed communication. - Adopts composite data transmission method which acquires all data by a single request to improve the response speed of a main system. |
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- HRR enables convenient configuration of a monitoring panel via telecommunication, by providing 8 auxiliary input points in addition to CB ON, OFF input whose status is displayed on the front of a relay. |
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- Microprocessor and self diagnosis function by hardware improve system reliability. - Has built-in SOE function used to save the accidents and change of values. |
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- A single unit includes protection, measurement function, switches and display lamps to simplify wiring work and cost when creating a panel. - One can set the CT and PT ration in 1A and 1V units by manipulating the front key, so they are applicable to all systems. - Draw-out type enabling easy maintenance. - Allows one to know the breaker replacement timing by providing the number of breaking times of a breaker, and conducting period information. |
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Item |
HPR-MD |
HPR-FD |
HPR-TR |
HPR-OC |
HPR-ROC |
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HPR-FD/G1 |
HPR-FD/S1 |
HPR- FD/G2 |
HPR- FD/S2 |
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Relay Elements |
Under voltage |
Over-current |
Over-current |
Over- current |
Over- current |
Over- current |
Over-current |
Over-current |
Over-current |
Over-current ground |
Selective ground |
(independent 2 units) |
(independent 2 units) |
Over-current ground |
Over-current ground |
Over-current ground |
Over-current ground |
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Over-current ground |
Selective ground |
Percentage differential |
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AC Reclosing |
Over-voltage |
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independent 2 units) |
(independent 2 units) |
Instantaneous differential |
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Over-voltage ground |
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Display |
Measu rement Item |
Current, voltage, frequency, power factor, active power/energy, reactive power/energy, zero voltage and current |
Current |
Current |
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Display unit |
VFD (Vaccum Fluorescence Display) (4 lines x 20 char.) |
LCD (4 lines x 20 char.) |
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I/O |
Digital Input |
10 pts. |
10 pts. |
10 pts. |
10 pts. |
10 pts. |
10 pts. |
7 pts. |
9 pts. |
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Digital Output |
9 pts. |
6 pts. |
6 pts. |
9 pts. |
9 pts. |
8 pts. |
5 pts. |
9 pts. |
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Analog Input |
PT:4 pts. CT:4 pts. |
PT:3 pts. CT:4 pts. |
PT:4 pts. CT:4 pts. |
PT:3 pts. CT:8 pts. |
PT:4 pts. CT:8 pts. |
PT:3 pts. CT:7 pts. |
CT:4 pts. |
CT:4 pts. |
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Comm. |
RS-422 /485 (4/2 Wire) |
1 port |
2 port |
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RS232 |
1 port |
2 port |
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Product dimensions (WxHxD:mm) |
325 x 175 x 215 |
375 x 175 x 215 |
195 x 260 x 205 |
164 x 210 x 232 |
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Weight (kg) |
7.5 |
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Item |
HPR |
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Control power |
AC110V / DC 125V |
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Digital input |
100 ~ 130 VDC / 10 ~ 15 mA / point |
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Digital output |
Resistive load : AC 250V, 10A DC 30V, 10A COSØ=1.0 |
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Inductive load : AC 250V, 7.5A DC 30V, 5A COSØ=0.4 L/R=7ms |
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Analog input |
Current |
CT : 5A, ZCT : 1.5mA |
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Voltage |
PT : 110V, GPT : 190V |
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Burden |
PT : 0.5VA or below, CT : 1.0VA or below | | |
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