Wenzhou Ginri Power Automation Co., Ltd.
Wenzhou Ginri Power Automation Co., Ltd.
Add to Cart
Blowers Three Phase Voltage Monitoring Relay Neutral Loss Protector Four Wire
◆Features
-- Standard modular structure, rail mounting
-- Zero line break function
-- Real-time monitoring of overvoltage, undervoltage, phase error, phase loss, voltage imbalance, zero line breakage in three-phase four-wire circuits
-- No extra auxiliary power required
-- 1 set of changeover contacts + 1 set of normally closed contacts
-- 5 LEDs indicate various operating states
◆Protection function
-- over pressure
-- Undervoltage
-- wrong phase
-- Phase
-- Voltage imbalance
-- Zero line break
◆ Typical application
● Electric motor ● Fan ● Water pump ● Air compressor ● Crane
● Driving ● Lifts ● Cranes ● Elevators ● Machine tools
● Central air conditioning ● Refrigeration equipment ● Laser equipment ● Industrial control system
♦ Technical data
| Type | JVRD-380N | ||||||||||||||||||
| Measuring circuit | L1,L2,L3,N | ||||||||||||||||||
| Rated voltage(line voltage) |
220VAC,380VAC ,440VAC 460VAV,480VAC,50/60Hz |
||||||||||||||||||
| Monitoring functions |
Phase sequence,phase loss,overvoltage undervoltage,phase unbalance,neutral loss |
||||||||||||||||||
| Voltage setting range |
|
||||||||||||||||||
| Indicators | phase sequence,phase loss,overvoltage ,undervoltage,and normal | ||||||||||||||||||
| Output contacts | 1NO,1NC | ||||||||||||||||||
| contact capacity | 6A,250VAC | ||||||||||||||||||
| Dimensions(H x W x D) | 79*23*79mm | ||||||||||||||||||
| Mounting | DIN rail | ||||||||||||||||||
