 |
|
 |
|
  |
Characteristics: |
Multi-functions and universal application
Three phases controlled separately
High reliance with LED display
Complete safety protection with built in voltage limiting device
Allow to check the operating switchgear with the function tester
Screened coaxial cables as connecting leads
Easy installation with standard housing 96x48mm |
|
 |
EVI series high voltage indicators cooperated with corresponding capacitive insulators or bushings with capacitive tap， applied to verify （detect）the absence of voltage on conductors within the indoor electric devices, and supply reinforced relays control and other testing functions, are idea electric safe protecting apparatus featured with high reliance, free maintenance, complete protection, and easy installation. Developed from American-European leading technologies, it complied with the standards of IEC61243-5、DIN VDE 0682 415和DL/T538-9 respectively, and is universal for both domestic and international applications. |
|
|
EVI（or DXN-T），integrated enduring voltage indicating system: three phase efficient LED indicates the presence of voltage , no auxiliary voltage is needed.
EVI-R （or DXN-Q），integrated enduring voltage indicating system with control relays : designed basic function as EVI, additionally include one or two relay contacts(changer) for electric safe lock or remote control.
The relay contacts have two situations, one is the locking status when three phases voltage and auxiliary voltage present at the same time, another one is the unlocking status for every other conditions, The presence of the auxiliary power is displayed on the front panel.
EVI-S (or：DXN-F), separate voltage indicating system: the voltage indicator coupled with the capacitive insulator through a designed interface could be plugged in-out and be three phase or single phase.
EVI-T（or：DXN-Y），function tester: intends for testing the function of enduring voltage indicating system and simple phase comparison
EVI-C（or：DXN-X）, phase comparator: intends for phase comparison between two voltages presenting at VDS interfaces and other test functions.
|
|
|
EVI（or DXN-T）
Nominal frequency: 50，60Hz
For indoor electric devices with rated voltage > 1kV
Signal situations:
threshold voltage: 4-5 V
Uo<10% Un, no voltage signaling(alternative)
Uo>15% Un, voltage signaling
Uo>45% Un, normal voltage signaling
Connecting lead: 1—12m
Ambient temperature range: -25--+55℃
Safe voltage for interface: < 30 V
Protective system: IP42（IP54）
Dimensions(W x H x D): 96 X 48 X 110 mm, cut dimensions on panel: 91X44 mm
Adapted sensors:
Capacitive insulators with 10pF （40.5kV）, 15pF(24kV), 20pF(12kV), 40pF(7.2kV), etc.
Capacitive insulators or bushings with capacitive tap with equivalent coupling capacity
and voltage level as mention above
Customized for individual solutions
EVI-R（or DXN-Q）
As EVI standard design, and add
Auxiliary voltage: 48V,60V, 110V, 220V DC/110V, 220V AC
Relay-switching power: 8A,250V/AC
Dimensions(W x H x D): 96 X 48 X 110 mm, cut dimensions on panel: 91X44 mm
EVI-S(or DXN-F )
As EVI standard design, but different in structure and dimensions, or customized for individual solutions.
|
|
|
|
|
|
 |
|
 |
|
