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Three Phase AC Voltage Scanner
Applications
Technical
Specification Download
Catalogue
Description:
 Many
industrial machines and equipments are working on
three phase AC motors or Pumps. To prevent the damage
against one of the phase failure or phase reversal,
the protection device such as LVS-3 must be employed
in the system. The model LVS-3, measures and displays
three incoming phases, monitors the status of their
levels, compares with the preset high and low limits
and gives alarm (trip contact) in case the levels
are abnormally high or low. It also gives the alarm
output, in case of phase failure and phase reversal.
LVS-3 is a compact instrument in ¼ DIN size and can
be easily mounted on a panel in a ¼ DIN cut-out.
 APPLICATIONS
Protection of 3 phase loads such as motors, pumps,
transformers etc… against failure and reversal of
any one phase. Most Suitable to use on Electrical
control panels
TECHNICAL
SPECIFICATION
| Supply |
415VAC (RYB +
N + E) |
| Display |
3 & 1/2 digit
0.5" red 7 segment LED |
| Display Scan
Rate |
10 sec. fixed
- indicates voltage across RY, YB & BR |
| Output |
Relay changeover
contacts (Relay remains On under Normal condition
of 3 phase supply) |
| Relay Trips |
In case of a)
Absence of any phase or neutral b) Phase reversal
c) Under / Over voltage |
| Under Voltage
Cut Off Limit |
350VAC +/- 10%
(User adjustable) |
| Over Voltage
Cut Off Limit |
450VAC +/- 10%
(User adjustable) |
| Front Panel
LED Indications |
for RY , YB ,
BR voltages, Under Voltage(UV), Over Voltage (OV)
and single phasing (SPP) |
| Operating/Storage
Temperature |
0-50 °C Max.
/ 0-70 °C Max. @ 10-85% Rh (Non-Condensing) |
| Size |
96 x 96 x 120
mm. |
| Enclosure |
ABS plastic with
polycarbonate front (hence safe to operate) |
DOWNLOAD
CATALOGUE
 indicates
- Product Catalogue
in PDF
format,
required: Adobe
Acrobat Reader
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THREE
PHASE AC VOLTAGE SCANNER |
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