DPR1000

Compact digital protection relay for protection of high-power feeders or high voltage motors.

 

Features

Protection Function

ㆍVarious protection factor (13 protection factors)

ㆍVarious measurements and monitoring functions (5 measurements)

 

Convenience Function

ㆍEasy user interface

 

Protection factor

Protective function	Operating part	Setting & Operating time	Remark
OCR (50/51)	Instantaneous high set	Setting: OFF, 0.5~20.0/0.1In	Below 40ms
	Instantaneous low set	Setting: OFF, 0.5~20.0/0.1In Operating time: 0.05~60.0/0.01s	Definite
	Time delay	Setting: OFF, 0.1~4.0/0.02In Operating time: 0.05~1.20/0.01 (Inverse)	Curves SI, VI, EI, LI
OCGR (50/51N)	Instantaneous	Setting: OFF, 0.1~8.0/0.02In Operating time: 0.05~300.0/0.01s	Definite
	Time delay	Setting: OFF, 0.02~2.0/0.01In Operating time: 0.05~1.20/0.01 (Inverse)   0.05~60.0/0.01s (Definite)	Curves DT, SI, VI, EI, LI
NSOCR (46)	Time delay high set	Setting: OFF, 0.1~1.0/0.02In Operating time: 0.08~60.0/0.01s	Definite
	Time delay low set	Setting: OFF, 0.1~1.0/0.01In Operating time: 0.05~1.00/0.01(Inverse)   0.08~60.0/0.01s(Definite)	Curves DT, SI, VI, EI, LI
DGR (67N)	Time delay	Io Setting: 0.02~2.0/0.01Ion Vo Setting: 11~80/1V RCA Setting: 0~90/1° Operating time: 0.05~10.00/0.01s	Grounded system Definite
SGR (67G)	Time delay	Io Setting: 0.9~6.0/0.01mA Vo Setting: 11~80/1V RCA Setting: 0~90/1° Operating time: 0.05~10.00/0.01s	Isolated system Definite
THERMAL (49)	Time delay	Setting: OFF, 50~100/1% (τh, τc)	Motor Config.
STALL/LOCK (48/51LR)	Time delay(Stall)	Setting: 0.50~10.00/0.01 (FLC×SVC.×O/L)	Motor Config.
	Time delay(Lock)	Operating time: 0.05~300.0/0.01s(Definite)   0.05~1.20/0.01(Inverse)	Motor Config. Curves DT, VI, EI
UCR (37)	Time delay	Setting: 0.1~0.9/0.02In Operating time: 0.05~300.0/0.01s	Definite
NCH (66)	-	Starts number: OFF, 1~5 times/1 Base time: 10~60min/1min Time between starts block: 1~60min/1min Operating time: 10~80%/1%	Notching
TPR (38)	Time delay	Setting: OFF, 20~180/1℃ Operating time: below 50ms	Definite

 

Specification

Type			Specification
Wiring			3P3W, 3P4W
Input	Frequency		60Hz or 50Hz
	Voltage	GPT	190, 190 / √3
	Current	CT	5A
		ZCT	1.5mA
	Control Voltage		DC 110/125V, AC 110V 50/60Hz (or AC/DC 88V~132V)
	Power Consumption		Steady: below 30W Operating: below 70W
	Burden	PT	0.5VA
		CT	1.0VA
	Digital Input		Digital Input: AC/DC 110V
Output	For trip		AC 250V 16A/DC 30V 16A Resistive Load  AC 2500VA, DC 300W
	For alarm		AC 250V 5A/DC 30V 5A Resistive Load  AC 750VA, DC 90W
Insulation Resistance			Over DC 500V 100㏁
Insulation Voltage			AC 2kV (1kV) / for 1 min
Impulse Voltage			AC 5kV (3kV) Over 1.2×50㎲
Overload Withstand	Current circuit		2 In for 3 hours  20 In for 2 seconds
	Voltage circuit		1.15 Vn for 3 hours
Fast Transient Disturbance			Power Input 4kV  Other Input 2kV (Analog input 1kV)
ESD (Electrostatic Discharge)			Air 8kV  Contact 6kV
Operation temperature			-10℃ ~ 55℃
Storage Temperature			-25℃ ~ 70℃
Humidity			Within 80% RH, no condensation
Altitude			1000m and below
Others			Non-impact place  Non-air pollution place
Standard			IEC 60255, IEC 61000-4, KEMC 1120
Dimension (W×H×D)			120×245×185 (mm)
Weight			3.4kg