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Help Center3 Phase Adjustable Overvoltage and Undervoltage Relay JVR1000
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3 Phase Adjustable Overvoltage and Undervoltage Relay
JVR1000
♦ Features
-- Built-in LCD and keypad afford a precise,digital setting
-- Three-phase monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance
-- Adjustable over- and undervoltage, phase unbalance threshold
-- Independent adjustable delay time for overvoltage, undervoltage, phase unbalance
-- Powered by the measuring circuit
-- 1 NO & 1NC contacts
-- Faulure recording
♦ Protective Functions
-- Phase sequence
-- Phase loss
-- Phase unbalance
-- Overvoltage
-- Undervoltage
♦ Typical Applications
• Pumps • Fans
• Blowers • Motors
• Compressors
♦ Approvals
• CE • CCC
♦ Technical data
Type |
JVR1000 |
Measuring circuit |
L1,L2,L3 |
Rated voltage |
380VAC ,50Hz |
Monitoring functions |
phase sequence, phase loss, overvolatege, undervoltage, phase unbalance |
Overvoltage setting range |
390-490V adjustable |
Undervoltage setting range |
300-470V adjustable |
Hysteresis |
10V |
Delay time for overvoltage and undervoltage |
0.1-25s adjustable |
Phase unbalance setting range |
5%-29% adjustable |
Delay time for phase unbalance |
1-25s adjustable |
Delay time for phase loss |
1s |
Delay time for phase sequence |
instant |
Indicators |
LCD indicating voltage,current,operation status |
Output contacts |
1 NO,1NC |
Contact capacity |
6A ,250VAC |
Dimensions (H x W x D) |
80×40×54mm |
Mounting |
DIN rail |
* Please contact us for further information.
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