JVRD-NK(Greater resistance to inverter noise)Three phase Four wire Voltage Monitoring Relays
JVRD-NK(Greater resistance to inverter noise)Three phase Four wire Voltage Monitoring Relays
JVRD-NK(Greater resistance to inverter noise)Three phase Four wire Voltage Monitoring Relays
цена
US $10-11.97
Минимальный заказ
1 piece

свойство

номинальное напряжение
220VAC,380VAC,400VAC 440VAC,460VAC,50/60Hz
порог неравномерности фаз
15% fixed
задержка при перенапряжении
5-8s fixed
время задержки фазовых потерь, фазового дисбаланс
1-2s fixed
время возврата
0.5s fixed
выходной контакт
2 C/O(1C/O &1NC for 3-phase 4-wire)
контактная емкость
6A,250VAC
класс защиты
IP 20

оценивать

Описание продуктов

Three-phase Four-wire Voltage Monitoring Relay                         

JVRD-NK (Greater resistance to inverter noise)

 

 

♦ Features

  -- Compact modular size 

  -- Greater resistance to inverter noise

  -- Three-phase monitoring of phase sequence, phase loss,phase unbalance and neutral loss

  -- Powered by the measuring circuit

  -- 1 C/O & 1NC contacts

  -- 2 LEDs for status indication

 

♦ Protective Functions

  -- Phase sequence

  -- Phase loss

  -- Phase unbalance

  -- Neutral loss 

 

♦ Typical Applications

     Pumps      Fans

     Blowers    • Motors

    • Compressors

 

♦ Approvals

     CE    CCC

 

♦ Technical data

 

Type

JVRD-NK

Measuring circuit

L1,L2,L3,N

Rated voltage

300-500VAC,50/60Hz

Monitoring functions

phase sequence, phase loss, , phase unbalance,neutral loss

Indicators

Power and normal

Output contacts

1 C/O,1NC

Contact capacity

6A ,250VAC

Dimensions (H x W x D)

79×23×79mm

Mounting

DIN rail

 

 

 

 

 

 

 

 

 

 

 

 

 

* Please contact us for further information.