Combined Over Current & Earth Fault Relay RG-84

- True RMS Measurement with SPARC1 and DCOI2 Algorithm
- Auto / Manual Scroll for Real Time Display of Phase Current and Earth Fault in %
- 6 Selectable IDMT Graphs + 1 DTL
- Fault / lo-set & hi-set Trip LED Indication
- Fault Start Event Recording & LED Indication + Output3
- Pre-Alarm LED Indication + Output3
- Trip Event Memory (non-volatile 7 previous records for 3 phases + earth)
- Fault Start Event Memory
  (non-volatile 4 previous records with phase info)
- Programmable Relay Output Contacts for K2,K3*
- Last Trip Elapsed Time (up to 99days)
- Software Lock to Prevent Unauthorized Setting
- Complies with IEC-60255-26 Standards
- Complies with IEC-60255-26 Standards
- ANSI Code: 50P, 50G, 51P, 51G
- External Plug-in Module for :- A-01s (RS-485 MODBUS RTU) isolated type A-02s (RS-485 MODBUS RTU+k3)*isolated type
      Technical data
	Current Input (•n)		../5A or ../1A
Frequency Software selectable 50 or 60 Hz
Burden <0.3 VA @ •n
Output Relay Rating SPDT 5A, 250V AC/DC
Display 7-Segment LED (3 + 1digit)
Indication (LEDs) x10, pre-alarm, fault, fault start event, lo / hi trip
Operating Temp. 0°C ~ +55°C
Humidity 56 days at 93%RH, 40°C non-condensing
IP Rating IP54 (front panel)
      Parameter Setting (Phase OverCurrent)
	•p> : lo-set					2% to 200% (step of 1%)
TM •p> : lo-set time Multiplier 0.05 ~ 1.00 (step of 0.01, 5 IDMT + 1 DTL)
•p> : lo-set trip delay time 0.03s ~ 20.0s 0.03s ~ 0.10s (step of 0.01s) 0.10s ~ 1.00s (step of 0.02s) 1.0s ~ 20.0s (step of 0.1s)
•p >> : hi-set OFF or 20% ~ 2000% 20% ~ 1000% (step of 10%) 1000% ~ 2000% (step of 100%)
•p >> : hi-set trip delay time 0.03s ~ 0.5s (same range as •p>)
      PARAMETER SETTING (Earth Fault)
	•e >: lo-set					2% to 100% (step of 1%)
TM •e > : lo-set time Multiplier 0.05 ~ 1.00
(step of 0.01, 5 IDMT + 1 DTL)
•e > : lo-set trip delay time 0.03s ~ 20.0s 0.03s ~ 0.10s (step of 0.01s) 0.10s ~ 1.00s (step of 0.02s) 1.0s ~ 20.0s (step of 0.1s)
•e >> : hi-set OFF or 20% ~ 1000% (step of 10%)
•e >> : hi-set trip delay time 0.03s ~ 0.5s

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NV-5,7

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RG-84

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ZPC

Modbus A-01s,02s

 

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