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TECHMARTSUPP VOLATGE SWITCH PLUS (TVS+)
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FEATURES
HIGHLY COMPACT
FULLY PROGRAMMEABLE
UNDER AND OVER-VOLTAGE PROTECTION
OVER-CURRRENT (overload) PROTECTION
TIME DELAY
DIGITAL DISPLAY
FAULT DISPLAY
NEED FOR TECHMARTSUPP VOLTAGE SWITCH AND ABOUT (𝑻𝑽𝑺+ )
Imagine a scenario where lightning strikes a power line and creates a surge, spike, over-voltage;
or a scenario where an equipment of a sub-station fails and results into sag, leading to reduced
voltage and increased current that destroys your thousands of Naira worth of Air conditioners.
What can you do to avoid this occurrence from happening to you?
To avoid this occurrence, all you need is the Techmartsupp voltage switch plus (𝑇𝑉𝑆 + ) which
offers unique protection to your air conditioning unit.
What is (𝑻𝑽𝑺+ ) 𝒑𝒍𝒖𝒔?
Techmartsupp Voltage Switch Plus(𝑇𝑉𝑆 + ) is a new electrical product designed to control and
protect single phase Air conditioners (A/C) against electrical faults such as under & overvoltage,
surge, fluctuation and over current which can destroy or disrupt the working condition of your
A/C. It protects any single phase air conditioning unit rated up to 20Amps operation current.
FEATURES
 HIGHLY COMPACT AND ADAPTABLE
TVS+ is specially built and design to replace normal AC switch while adding the
protective function of a voltage relay and also add over current protection to provice a
perfect solution for air conditioner control and protection. It can easily replace the normal
water heater switch commonly used to control air conditioners and fits the normal metal
patress already installed in the wall.
 FULLY PROGRAMMABLE
TVS+ is designed with very high level of flexibility to allow the user preset the relay to
meet the specified operating voltage parameter of the protected load. These include Over
Voltage (S-H) between 230V- 280V, Under Voltage (S-L) between140V- 220V and the
Time One delay (S-T) between 0-900 Sec. These enable TVS+ to offer precise protection
and high user friendliness
 UNDER VOLTAGE , OVER-VOLTAGE AND SURGE PROTECTION
𝑇𝑉𝑆 + is built with microprocessor based digital technology that digitalize the input
voltage signal, analyse the value and take necessary decisions according to the installed
algorithm. This enables the relay monitor the input voltage and intelligently allow only
healthy voltage according to users Under & Over voltage pre-set and promptly dis
connect the relay in case of fault depending on the severity of the fault.
 OVER CURRENT PROTECTION
𝑇𝑉𝑆 + has being built to protect air conditioners against overload and short circuit. 60%
of home or office fire caused by electrical fault is from air conditioner. TVS+ is
controlled by a 20A overload relay that will initiate a trip once the running current is
more than 20A. For this fault, auto reclosing is prohibited as a qualified personnel is
required to clear the fault before switching on the relay.
 TIME DELAY
𝑇𝑉𝑆 + allows the user to preset the time delay before which the protected load will come
up at start and after voltage fault recovery to protect against fluctuation and frequent
starting. It also have intelligent time off delay to considers the severity of the fault to
determine the time off delay to prevent nuisance tripping on mild fault and ensure altra
fast tripping on severe fault.
 DIGITAL MULTIFUCTIOANL DISPLAY
𝑇𝑉𝑆 + has digital display unit where the user see for themselves all that is going on within
the switch. This displays the preset under voltage, over voltage and time delay threshold
when switched on. It also displays the countdown of the time delay and the instantaneous
voltage while the relay is in operation.
The digital display also function when FAULTS occurs, it will blink continuously when
there is an over voltage or under voltage and it will black out when in case of overload.
TECHNICAL SPECIFICATION TABLE
Rated voltage, V
Rated voltage frequency, Hz
Adjustable settings ranges:
- Minimal voltage tripping threshold (Umin), V
- Maximal voltage tripping threshold (Umax), V
- Autoreclosing time on delay, sec
Fixed tripping time delay when input voltage exceeds the minimal tripping threshold (Umin), sec
220
47 – 65
Fixed tripping time delay when input voltage exceeds the maximal tripping threshold (Umax), sec
1
140 – 220
230 – 280
005 –900
12
Fixed tripping time delay in case of voltage decrease more than 60V than the adjusted minimal
voltage tripping threshold (Umin), sec
0,2
Fixed tripping time delay in case of voltage increase more than 30V than the adjusted maximal
voltage tripping threshold (Umax), sec
0,2
Maximal commutation current (active power load), A (not less than) AC-1 type
28
Accuracy for tripping basing the voltage level measurement, V
<3
Minimal operation voltage level at which TVS will keep working, V
100
Maximal operation voltage level at which TVS will keep working, V
420
Voltage hysteresis, V (not more than)
<5
from -25 to + 45
Operational temperature range, С
from -45 to + 70
Storage temperature, С
Total power consumption, mA
< 15
Commutation lifetime of the output contacts:
- under 20A power load, times (not less than)
100 000
- under 5A power load, times (not less than)
1 000 000
Outer dimensions, mm
86 х 86 х 38
Net weight, kg
0,170
Wall mounting in vertical position in order to read the digits of the front panel indicator
ELECTRICAL CONNECTIONS
TERMINAL
IN:L
IN:N
G:G
O:N
O:L
DESCRIPTION
INPUT LIVE
INPUT NEUTRAL
GROUND
OUTPUT NEUTRAL
OUTPUT LIVE
Fig 1 – Schematic Diagram Of The Connection Terminals of 𝑻𝑽𝑺+
OTHER PRODUCTS BY THE COMPANY
COMPANY’S ADDRESS
LAGOS OFFICE:
3B, OLAIDE BENSON STREET, ONIGBONGBO, MARYLAND, LAGOS.
ABUJA OFFICE: