DV3 Voltage Monitor Relay

Function Features

-Controls its own supply voltage(True RMS measurement).

-Set 10-level rated operating voltage through knob.

– Measuring frequency range:45Hz-65Hz.

– Voltage measurement accuracy<1%.

– Relay status is indicated by LED.

– 1-MODULE,DIN rail mounting.

Technical parameters	M480	M277
Function	Phase sequence, phase failure, overvoltage, undervoltage and unbalanced voltage of Monitoring 3-phase voltage
Monitoring terminals	L1-L2-L3	L1-L2-L3-N
Voltage range	208-220-230-240-380-400-415-440-460-480(P-P)	120-127-132-138-220-230-240-254-265-277(P-N)
Rated supply frequency	45Hz-65Hz
Measuring range	150V-600V	85V-345V
Threshold adjustment voltage	2%-20%of Unselected
Adjustment of asymmetry threshold	5%-15%
Hysteresis	2%
Phase failure value	70% of Un selected
Time delay	Adjustable 0.1s-10s,10%
Measurement error	≤1%
Run up delay at power-up	0.5s time delay
Konb setting accuracy	10% of the scale value
Reset time	1000ms
Output	SPDT
Current rating	10A/AC1
Switching voltage	250VAC/24VDC
Min. breaking capacity DC	500mW
Temperature coefficient	0.05%/℃,at=20℃(0.05%℉，at=68℉)
Mechanical life	1×10^7
Electrical life(AC1)	1×10^5
Operating temperature	-20℃ to +55℃（-4℉ to 131℉）
Storage temperature	-35℃ to +75℃（-22℉ to 158℉）
Mounting/DIN rail	Din rail EN/IEC 60715
Protection degree	IP40 for front panel/IP20 terminals
Operating position	any
Overvoltage category	III
Pollution degree	2
Max.cable size(mm 2)	solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12)
Tightening torque	0.5Nm
Dimensions	90×36×70mm
Weight	61g-66g
Standards	EN61812-1,IEC60947-5-1