Question 1

What is the TNS-40KVA AVR?

Accepted Answer

The TNS-40KVA AVR is a high-capacity Automatic Voltage Regulator designed to stabilize unstable power supply for industrial, commercial, and large residential loads. tns-40kva

Question 2

What does this page cover for TNS-40KVA?

Accepted Answer

TNS-40KVA is supplied in Bangladesh by TNS Engineering Ltd. The details on this page apply to this model. Contact TNS Engineering Ltd for a quotation.

Question 3

What input voltage range does it support?

Accepted Answer

It typically works with 260V–450V (three-phase) systems, depending on the model.

Question 4

Is it suitable for homes?

Accepted Answer

Only for very large villas or residential complexes with heavy power needs.

Question 5

Is it mainly used in industries?

Accepted Answer

Yes, it is widely used in factories, production plants, workshops, and large-scale operations.

Question 6

Can it be used in offices?

Accepted Answer

Yes, it ensures safe power for IT setups, servers, and multiple office devices.

Question 7

Does it protect against low voltage?

Accepted Answer

Yes, it automatically boosts voltage when it falls below safe levels.

Question 8

Does it protect against high voltage?

Accepted Answer

Yes, it prevents appliances from damage due to overvoltage and spikes.

Question 9

Does it have surge protection?

Accepted Answer

Yes, it includes surge and spike protection.

Question 10

Does it include a delay system?

Accepted Answer

Yes, it comes with a time delay function to protect motors and compressors.

Question 11

Is it automatic?

Accepted Answer

Yes, the AVR works fully automatically without manual input.

Question 12

Is it single-phase or three-phase?

Accepted Answer

The TNS-40KVA AVR is generally three-phase for industrial-level loads.

Question 13

What appliances can it support?

Accepted Answer

It supports industrial machinery, large motors, elevators, compressors, air conditioners, and IT equipment.

Question 14

How many air conditioners can it handle?

Accepted Answer

It can power 15–20 AC units depending on their capacity along with other loads.

Question 15

Can it protect sensitive electronics?

Accepted Answer

Yes, it delivers stable voltage for computers, servers, and medical equipment.

Question 16

Can it be used in hospitals?

Accepted Answer

Yes, it is ideal for labs, ICU equipment, diagnostic centers, and large hospitals.

Question 17

Is it compatible with generators?

Accepted Answer

Yes, it works with backup generators to stabilize voltage output.

Question 18

Does it save electricity?

Accepted Answer

It doesn’t directly reduce bills but prevents wastage, overheating, and damage.

Question 19

Does it extend appliance life?

Accepted Answer

Yes, by providing steady voltage, it reduces stress and extends lifespan.

Question 20

Can it run elevators and lifts?

Accepted Answer

Yes, it is widely used for elevators, escalators, and lift systems.

Question 21

Does it have overload protection?

Accepted Answer

Yes, it comes with overload and short-circuit protection.

Question 22

How does it react to sudden power cuts?

Accepted Answer

It shuts down safely and restarts with a delay when power comes back.

Question 23

Does it have a monitoring display?

Accepted Answer

Yes, most models feature a digital voltage display for input/output.

Question 24

Is it easy to install?

Accepted Answer

Due to its size, it requires professional installation by an electrician.

Question 25

What is its build quality?

Accepted Answer

It is built with premium copper coils, durable steel casing, and advanced circuits.

Question 26

Is it portable or fixed?

Accepted Answer

The TNS-40KVA AVR is a floor-standing fixed unit.

Question 27

What is the warranty period?

Accepted Answer

It usually comes with a 1–2 year warranty depending on supplier policy.

Question 28

Who imports TNS-40KVA AVR in Bangladesh?

Accepted Answer

It is imported and distributed by TNS Engineering in Bangladesh.

Question 29

Why should I choose the TNS-40KVA AVR?

Accepted Answer

Because it provides maximum capacity, reliable voltage stabilization, advanced safety features, and durability for industrial and commercial users.

Question 30

Is it good for water pumps and motors?

Accepted Answer

Yes, it ensures safe operation of large industrial pumps and heavy motors.

Item / Parameter	Specification / Technical Value
Brand	HOWPOWER
Capacity	40KVA
Model	TNS-40000
Phase	Three-Phase
Frequency	50 Hz
Input Voltage	280V~430V/160V~250V(For option)
Working Input Voltage	230V~475V/135V~274V
Output Voltage	380/220 ± 3 % (Adjustable)230V~475V/135V~274V
Protection	Over/Under Voltage Protected, Short circuit & overload, Over-Temperature Protection , Over/Under Current Protection
Environment	Humidity 95%(non-condensing), Temperature -25°C ~60°C
Cooling system	Natural Cooling with fan source
Admitted Overload	150% for 2 min
Efficiency	AC-AC > 95%
AVR Colour	RAL 7035
Voltage Stabilization	DC Motor Control
Dimension	W×D×H-645mm×565mm×1270mm
Weight	146 KG

TNS-40KVA

Key Features

Application

Suitable Applications

Questions & Answers for TNS-40KVA