Delab Scientific - Earth Protection Relay, Digital Microprocessors

- True RMS Measurement with SPARC1 and 

  DCOI2 Algorithm

- Fundamental Signal Detection3

- Real Time Display of I•n in mA/A

- Fault / lo-set & hi-set Trip LED Indication

- Fault Start Event Recording &
  LED Indication + Output4

- Pre-Alarm LED Indication + Output4

- Trip Event Memory
  (non-volatile 7 previous records)

- Fault Start Event Memory
  (non-volatile 4 previous records)

- Programmable Relay Output contact for K2

- Last Trip Elapsed Time (up to 99days)

- Software Lock to Prevent Unauthorized Setting

- Complies with IEC-60255-26 Standards

- External Plug-in Module for :-
  A-01s (RS-485 MODBUS RTU) isolated type

      Technical data

	Current Input (••n)		ZCT (multiple sizes from ID of 25~200mm)

	Measurement Range		0.005 ~ 30.0 A

	Output Relay Rating		SPDT 5A, 250V AC/DC

	Display			7-Segment LED (3 + 1digit)

	Indication (LEDs)		mA, pre-alarm, fault, fault start event,
					lo / hi trip

	Operating Temp.		0°C ~ +55°C

	Humidity			56 days at 93%RH, 40ºC non-condensing

	IP Rating			IP54 (front panel)

	Weight				230 g

      Parameter Setting

	••n >: lo-set					30mA~30.0A
							0.03~1.00A (step of 0.01A)
							1.00~5.00A (step of 0.05A)

	•>: 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~30.0s (step of 0.1s)

	••n >>: hi-set				OFF or 0.1A~30.0A (step of 0.1A)

	•>>: hi-set trip delay time			fixed @ 30ms

Earth Leakage Relay RG-80