Voltage Monitoring Relay, Under/Over Voltage, 1 Phase, 110-240V AC/DC

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$115.67

Ex Tax: $115.67

Stock: In Stock
Model: RDDLZ-MR-SVR1000
Weight: 1.00
SKU: RDDLZ-MR-SVR1000

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Rated Voltage

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The AC/DC voltage monitoring relay with LCD display is a multifunctional monitoring and protection device. The relay is applied in supply voltage of DC 12V, AC/DC 24-48V or AC/DC 110V-240V to protect the equipment or devices from undervoltage and overvoltage in the applications like air compressors, electric motors, pumps, fans, air-conditioning system, blowers, elevators, cranes, refrigeration equipment, laser equipment, industrial control system, etc.

Features

Powered by the measuring circuit
Compatible with AC and DC supply
LCD display and keypad afford precise digital setting
Compact size in DIN rail mounting
Adjustable overvoltage and undervoltage threshold
Independent adjustable delay time for overvoltage, undervoltage
Adjustable reset mode: automatic reset or manual reset
Monitoring relay with 1 CO + 1 NC contacts
Fault recording for the last 3 faults

Specification

Model		RDDLZ-SVR1000/D12	RDDLZ-SVR1000/AD48	RDDLZ-SVR1000/AD220
Measuring Circuit		AC/DC circuit (A1+, A2-)
Monitoring Functions		Overvoltage, Undervoltage
Rated Voltage		DC 12V	AC/DC 24-48V 50/60Hz	AC/DC 110-240V 50/60Hz
Undervoltage Setting Range		DC 9-18V adjustable	AC/DC 20-80V adjustable	AC/DC 50-300V adjustable
Overvoltage Setting Range		DC 9-18V adjustable	AC/DC 20-80V adjustable	AC/DC 50-300V adjustable
Voltage Hysteresis		0.1-6.0V adjustable	0.1-30.0V adjustable	1.0-90.0V adjustable
Delay Time for Overvoltage & Undervoltage		0.1-999s adjustable
Reset Mode		Manual/Automatic/Automatic with power-on delay
Delay Time for Reset		0.1-999s adjustable
Indicator		LCD display indicating voltage, operation and fault status
Fault Records		The last 3 faults
Output Contacts		1 CO + 1 NC
Contact Capacity		6A, 250V AC (resistive load)
Degree of Protection		IP 20
Working Conditions	Operating Temperature	-25℃~65℃
	Humidity	≤85%RH, non-condensing
Mechanical Durability		1,000,000 cycles
Dielectric Strength		＞2kVAC 1min
Mounting		35mm DIN rail
Weight		130g
Dimensions (HWD)		804354mm

Wiring Diagram

Note:
1. Relay contacts position shown in "Power-on" (Healthy) condition. If power is off or any fault occurs, the relay contacts will be opposite to the diagram.
2. For DC power, the polarities must be correctly connected. Otherwise, the relay doesn't work.

Details

Tips: Under/Over Voltage Monitoring Relay Function

The under/over voltage monitoring relay is used to automatically disconnect the circuit when the overvoltage and undervoltage in the line exceed the specified value and can automatically detect the line voltage, and it can automatically connect the circuit when the voltage in the line returns to normal, so as to protect our electricity safety.

The voltage monitoring relay is mainly used to protect the insulation of electrical equipment such as generators, transformers, vacuum switches, busbars, and motors from damage by overvoltage.

When the power supply line has overvoltage and under voltage, the voltage monitoring relay can quickly and safely cut off the circuit under continuous high-voltage impact to avoid the occurrence of accidents caused by abnormal voltage being sent to the terminal appliances. When the voltage returns to the normal value, the monitoring relay will automatically connect the circuit within the specified time to ensure that the terminal appliances are in normal operation under unattended duty.

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