High Voltage Potential Indicator DXN7-T
DXN7-T High Voltage Potential
Indicator indicates the
voltage presence on M.V. cubicles （switchgear） by being installed on the capacitive dividers.
Features of High Voltage Potential
Indicator DXN7-T
* 3 phase live voltage indicating system
* Can work with phase comparator for phase
checking
* Wide-range 3kV- 40.5kV
* Working frequency 50/60Hz
* Threshold values for voltage presence
indication: U>0.40 x Unmin
* Threshold values for voltage absence
indication: U<0.15 x Unmax
* Threshold values for over-voltage
protection: <0.30 x Unmin
* Divider capacitance 27pF or be specified by buyer
* Temperature range -25°C to +40°C
* Insulation strength: AC 2kV, 1min
* Product dimensions (L×W×D): 70x35x38mm
Technical
Parameter of High Voltage Potential Indicator DXN7-T
|
Executive
Standard
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IEC61958-2000
|
|
Working
Frequency
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50Hz/60Hz
|
|
Nominal Voltage
|
3-6kV
|
|
6-12kV
|
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10-24kV
|
|
24-40.5kV
|
|
Divider
Capacitance
|
18pF, or
customized by buyers
|
|
Threshold Values
for Voltage Presence Indication
|
U>0.45 x
Unmin
|
|
Threshold Values
for Voltage Absence Indication
|
U<0.10 x Unmax
|
|
Threshold Values
for Over-voltage Protection
|
U<0.30 x
Unmin
|
|
Working
Temperature
|
-25℃ - +40℃
|
|
Working Humidity
|
＜95%
|
|
Insulation
Strength
|
2kV,1min
|
|
Protection Level
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IP20
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Overall
Dimension (WxHxD)
|
130x28x52 mm
|
|
Mounting
Dimension (WxHxD)
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105x22x48.5 mm
(The distance between two screw holes is 120 mm)
|
|
Shielded Cable
Length
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Type A:
L1=960mm; L2=1070mm; L3=1180mm, or customized by buyers
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