Over Voltage Protection Three Phase Voltage Monitoring Relay For Control Cabinet

Over Voltage Protection Three Phase Voltage Monitoring Relay For Control Cabinet

♦ Features
-- Compact modular 43mm housing
-- Microprocessor technology provides highly accurate and repeatable protection
-- Built-in LCD and keypad afford a precise digital setting
-- Adjustable over- and undervoltage,phase unbalance threshold
-- Independent adjustable delay time for overvoltage, undervoltage, voltage unbalance,
phase loss and phase sequence
-- Adjustable reset method:automatic reset or manual reset
-- Start delay(power-on delay)
-- Test trip with test button
-- 1 NO & 1CO contacts
-- with Timer and Counter for runing and faults

Model JVR800-2

Measuring circuit L1,L2,L3

Rated voltage 208~480VAC,50/60Hz

Monitoring functions phase sequence, phase loss, overvolatege, undervoltage,voltage unbalance, timer, counter

Overvoltage setting range 200-600V

Undervoltage setting range 150-500V

Voltage hysteresis 1-20V

Delay time for overvoltage and undervoltage 0.1-30s

voltage unbalance ratio 1-50%

voltage unbalance hysteresis 1-10%

voltage unbalance delay time 0.1-30s

Delay time for phase loss 0.1-30s

Delay time for phase sequence 0.1-30s

Start delay time 0-999s

Auto reset mode ON/OFF

Auto reset time 0.1-999s

Timer and counter input AC/DC 80-450V

Indicators LCD indicating voltage,current,operation status

Output contacts 1 C/O,1NC

Contact capacity 6A ,250VAC

Dimensions (H x W x D) 80×43×54mm

Mounting DIN rail

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!