480VAC Neutral Loss Three Phase Voltage Monitoring Relay Adjustable Delay Time

JVRD voltage phase sequence multi-function protector (three-phase AC protection relay) instruction manual
Protection features: ● Phase protection ● Misphase protection ● Voltage imbalance protection ● Overvoltage protection ● Undervoltage protection
Dimensions: 79H×23W×79D
caveat! This product is generally the power supply side of the three-phase power supply sampling, shall not be installed in the output side of the inverter current!
-JVRD series voltage phase sequence multi-function protector (also known as three-phase power monitor, phase sequence protector, over voltage protection device, etc.) is mainly used for AC 50/60Hz, rated voltage below 460V, industrial three-phase 220V, 380V, 440V, 460V and other voltage levels of various fault detection, the three-phase input power supply voltage is too high, voltage is too low, lack of phase, reverse phase (phase sequence), three-phase voltage imbalance, etc. to provide protection relay

-products widely used For air compressors, motors, distribution boxes, pumps, oil pumps, central air conditioning units, electric control boxes, power distribution cabinets, cranes, etc., such as central air conditioning compressor protection, power monitoring of various elevators, water pump, oil pump protection phase The reverse phase protection is an indispensable protection product that maintains the normal working voltage of the equipment during operation of industrial equipment
Installation method : The protector base adopts rail type, and has two M4 screw holes structure. It is directly installed independently or HT35 rail is installed (if direct installation is adopted, the bottom two attachments of the product must be pushed out forcefully).
Indicator lights : 5 indicators to indicate: normal, missing phase (voltage three-phase unbalanced), reverse phase, overvoltage, undervoltage.
Overall dimensions : 79mm x 23mm x 79mm.
Contact form : two open and two closed


Features

• Compact modules size
• Three-phase monitoring of phase sequence,phase loss,over and undervoltage and phase unbalance
• Adjustable over and undervoltage threshold and delay time(for JVRD-xxxW)
• Neutral loss monitoring (for JVRD-xxxN&JVRD-NK)
• Powered by the measuring circuit
• 2C/O contacts
• Max 5 LEDs for status indication

Protective Function

• Phase loss(Failure)
• Phase sequence(reversal)
• Phase unbalance(Asymmetry)
• Undervoltage
• Overvoltage
• Neutral loss

Applications

• Pumps
• Fans
• Refrigeration units
• Blowers
• Motors
• Compressors
• Lifts,Elevators
• Cranes
• Mining excavators and conveyors

GINRI POWER AUTOMATION CO.,LTD. is a professional production voltage phase sequence protection device (and name: three-phase power monitor), and PLC output zoom Board, and smart type motor integrated protection device, and industrial parts manufacturers, technology development team in elevator industry, and refrigeration industry, and crane industry, environmental equipment, mechanical NC industry and the industrial following insurance industry, field has more than 10 years practice experience, has development out variety price economic and function excellent of products. CQC product quality system by China Quality Centre (3C) certification and CE certification, products in the manufacturing process in strict accordance with the ISO9001 quality assurance system requirements and professional technical and service support.

Voltage phase-sequence protection for many years (equipment, refrigeration equipment, crane (passenger and goods) elevators, control of DC power supply system (Cabinet) screens, precision air conditioners, room air conditioners, electric hoist, boiler equipment, laser equipment, parking equipment, cranes, compressors) and so on using the run.

PLC output amplifiers (environmental protection equipment, numerical control and automation equipment, automobile, plastic machinery, hydraulic machinery, ceramic foam machinery, woodworking machinery, machinery) and so on using the run.

Years of integrated Intelligent motor protector (power plants, paper mills, steel mills, aluminium plants, cement plants, sewage treatment plants, coal preparation plants, refineries, petrochemical plants), and so on using the run.

Product quality is stable and safe, reliable, and earned a solid market position in the market and a high reputation in the industry, received unanimous recognition and praise of our customers.

Ginri company always adhere to "scientific management as the core, the user needs for the Centre to focus on product quality, meticulous service is sincere," the spirit of enterprise, please call us from all walks of life, thank you!