■ 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
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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)
|
80×43×54mm
|
|
Mounting
|
DIN rail
|
|
