Microtek Smart Series AC Stabilizer
Automatic Voltage Protection for Air Conditioners up to 2 Ton
Microtek Smart Series AC Stabilizer
is an energy-efficient automatic voltage stabilizer
range designed to protect compatible air conditioners
from low voltage, high voltage and frequent mains
fluctuations. Smart EM models combine automatic
step-up and step-down operation, Auto Start,
low/high-voltage cut-off, wall-mounted construction
and easy operating-status indication.
ACs up to 2 ton
Automatic voltage regulation
Low & high voltage cut-off
MICROTEK
SMART EM
230V
OUTPUT
AUTO START
AUTO REGULATE
LOW / HIGH CUT
SAVE POWER TECHNOLOGY
AIR CONDITIONER
PROTECTED AC LOAD
Conceptual illustration — Microtek Smart Series AC Stabilizer with protected air conditioner
Up to 2 TonSmart Series AC protection
Up to 2 TonCompatible AC range
130–300VWide-range Smart models
Auto StartAutomatic operation
Wall MountCompact installation format
Microtek Smart Series AC Stabilizer Overview
Smart Automatic Voltage Protection for Air Conditioners
Microtek Smart Series AC Stabilizer
products are designed to protect compatible air
conditioners from unstable mains voltage and
frequent electrical fluctuations.
The Smart EM family includes models for air
conditioners up to 1.5 ton and 2 ton. Different
working-voltage ranges allow the stabilizer to be
matched to the electrical conditions at the
installation location.
During operation, the stabilizer automatically
monitors incoming voltage and steps the output up or
down according to the requirements of the connected
air conditioner.
If input voltage moves below or above the permitted
working limits, automatic under-voltage or
over-voltage protection disconnects the grid supply
from the connected AC.
Auto Start enables the unit to operate without
routine manual intervention once acceptable mains
conditions are available.
Depending on model, an LED, LED/LCD or digital
display provides operating information including
input and output voltage.
Microtek Save Power Technology is used across the
Smart automatic stabilizer platform to support
efficient operation during fluctuating mains
conditions.
Microtek Smart Series AC Stabilizer Features
Automatic Voltage Management for Air Conditioner Protection
Smart EM models combine automatic voltage regulation,
voltage cut-off protection and easy operating
visibility in a compact wall-mounted format.
↕
Automatic Step-Up & Step-Down
The stabilizer automatically adjusts operation
according to incoming AC voltage conditions.
↓
Under-Voltage Protection
The connected air conditioner is isolated when
incoming voltage falls below the permitted
operating range.
↑
Over-Voltage Protection
High-voltage cut-off disconnects the AC when
mains voltage exceeds the selected model’s
operating limit.
AS
Auto Start Operation
Smart EM stabilizers operate automatically
without requiring routine manual switching.
LED
Voltage Status Display
Applicable models provide LED, LED/LCD or
digital indication for input and output voltage
visibility.
SP
Save Power Technology
Microtek’s energy-efficient stabilizer platform
is designed for reliable operation during
frequent power and voltage fluctuations.
AC INPUT
Mains Supply
→
SENSING
Auto Control
→
REGULATION
Step Up / Down
→
AC LOAD
Protected
LOW CUT
Below input limit
HIGH CUT
Above input limit
AUTO START
STABILISE
PROTECT
Automatic AC Voltage Regulation
The Smart EM platform monitors incoming voltage,
regulates acceptable mains conditions and
disconnects the AC when voltage falls outside
the selected model’s working range.
Conceptual illustration — automatic voltage regulation and AC protection path
Microtek Smart Series Technology
Smart Voltage Control for Fluctuating Mains Conditions
Microtek Smart Series AC Stabilizer models use
automatic control to regulate mains voltage before
it reaches the connected air conditioner.
Automatic voltage sensing
Automatic step-up operation
Automatic step-down operation
Auto Start functionality
Under-voltage protection
Over-voltage protection
Model-specific input voltage ranges
Input and output voltage indication by model
Wall-mounted enclosure
Save Power Technology
Microtek Smart Series AC Stabilizer Applications
AC Voltage Protection for Different Mains Conditions
1.5 Ton Air Conditioners
Multiple Smart EM models are available for
compatible air conditioners up to 1.5 ton.
2 Ton Air Conditioners
Smart EM 5-series models support compatible air
conditioners up to 2 ton.
Low-Voltage Locations
Wider-range models can be selected where supply
voltage regularly falls below nominal levels.
High-Voltage Conditions
Automatic high-voltage cut-off isolates the AC
outside the selected model’s operating range.
Frequent Voltage Fluctuations
Automatic regulation responds to changing
incoming mains conditions.
Residential & Office ACs
Wall-mounted protection for compatible room air
conditioner installations.
Smart EM Models and Voltage Ranges
Microtek Smart Series AC Stabilizer Range
Select the model according to AC capacity and the
minimum and maximum mains-voltage conditions at the
installation location.
Microtek Smart Series AC StabilizerSMART EM 4170+SMART EM 4160+SMART EM 4150+SMART EM 4140+SMART EM 4130+SMART EM 5170+SMART EM 5150+SMART EM 5130+1.5 Ton AC2 Ton AC170V–270V160V–285V150V–280V140V–290V130V–300V150V–290VAutomatic RegulationAuto StartUnder Voltage ProtectionOver Voltage ProtectionLED DisplayDigital DisplayWall MountedSave Power Technology
Microtek Smart Series Technical Information
Microtek Smart Series AC Stabilizer Specifications
Working voltage, display configuration, dimensions and
AC capacity vary by Smart EM model. Confirm the selected
model before applying model-specific technical values.
Manufacturer
Microtek
Product series
Smart Series
Model family
Smart EM
Product type
Automatic air conditioner voltage stabilizer
AC compatibility
Models available for compatible air conditioners up
to 1.5 ton and 2 ton
Installation format
Wall mounted
Voltage regulation
Automatic step-up and step-down operation
Automatic operation
Auto Start
Under-voltage protection
Automatic protection according to selected model
input limits
Over-voltage protection
Automatic protection according to selected model
input limits
Display type
LED, LED/LCD or digital display depending on model
Energy technology
Microtek Save Power Technology
SMART EM 4170+
AC up to 1.5 ton; 170V–270V input range
SMART EM 4160+
AC up to 1.5 ton; 160V–285V input range
SMART EM 4150+
AC up to 1.5 ton; 150V–280V input range
SMART EM 4140+
AC up to 1.5 ton; 140V–290V input range
SMART EM 4130+
AC up to 1.5 ton; 130V–300V input range
SMART EM 5170+
AC up to 2 ton; 170V–270V input range
SMART EM 5150+
AC up to 2 ton; 150V–290V input range
SMART EM 5130+
AC up to 2 ton; 130V–300V input range
SMART EM 4170+ display
LED display
SMART EM 4140+ display
Seven-segment digital display
SMART EM 5130+ display
Seven-segment digital display
SMART EM 5170+ display
LED display
Typical enclosure colour
Metallic grey on current Smart EM listings
Model selection basis
Air conditioner tonnage and the minimum and maximum
mains voltage expected at the location
Microtek Smart Series AC Stabilizer FAQs
Frequently Asked Questions About Microtek Smart Series AC Stabilizer
Key information about AC capacity, voltage ranges,
automatic operation and model selection.
?
What is a Microtek Smart Series AC Stabilizer?
Microtek Smart Series AC Stabilizer
is an automatic voltage stabilizer range designed
to protect compatible air conditioners from low,
high and fluctuating mains voltage.
?
Which Smart Series model is suitable for a 1.5 ton AC?
Smart EM 4170+, 4160+, 4150+, 4140+ and 4130+
are current options for compatible ACs up to
1.5 ton, with different input-voltage ranges.
?
Which Microtek Smart stabilizer supports a 2 ton AC?
Current 2 ton options include Smart EM 5170+,
5150+ and 5130+, with working ranges of
170V–270V, 150V–290V and 130V–300V respectively.
?
How should a Microtek Smart Series AC Stabilizer be selected?
Select the model according to the connected AC
tonnage and the lowest and highest mains voltage
normally experienced at the installation
location.
Microtek Smart Series Architecture
Stabilizer, Voltage Range and Protection Views
Explore the wall-mounted Smart EM enclosure,
model-specific input ranges and automatic voltage
protection logic.
MICROTEK
SMART EM
230V
OUTPUT
SMART AUTOMATIC AC VOLTAGE STABILIZER
Microtek Smart Series AC Stabilizer
Wall-mounted automatic voltage protection for compatible AC loads
Conceptual illustration — front view of Microtek Smart Series AC Stabilizer
SMART EM 4170+
170–270V
SMART EM 4140+
140–290V
SMART EM 4130+
130–300V
Multiple Input Voltage Ranges
Match the Smart EM model to site voltage conditions
Conceptual illustration — representative Smart EM working voltage ranges
LOW VOLTAGE
⇄
HIGH VOLTAGE
AUTOMATIC GRID CUT-OFF
AC PROTECTION
Low & High Voltage Cut-Off
Automatic isolation outside the permitted voltage range
Conceptual illustration — AC low and high voltage protection logic
Microtek Smart Series
Request Microtek Smart Series Product Information
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pricing, availability and product information.
