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Line Isolation Monitor

We are engaged in manufacturing and supplying a wide range of premium quality Line Isolation Monitor. Manufactured as per the international quality standards, only premium quality raw material is used in construction of these products. Clients can avail these products in both, standard and customized features at very affordable price range.

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BrandElectronic Guard
Voltageac
Usage/Applicationpower relay
Coil TypeLatching
Currentdc
Number Of Poles2 Pole
Contact FormDPDT

Insulation Monitor Relay for Isolated Supply System
Isolated Supply System is primarily used for Operation Theaters and ICU''s in hospitals because if any one line gets shorted to earth, it will not cause any earth leakage current. For earth leakage current to flow other line should also get closer to earth.
Therefore to make the Isolated Power Supply 100% safe from earth leakage, it will be better to monitor the insulation resistance of both the supply lines and as soon as insulation resistance of any line gets less than a limit it should get to the knowledge of the concerned authority.
This condition will not cause any earth leakage and hence no need to switch off the supply or raise an alarm. And in the case such as OperationTheater and ICU, there is no need to stop the procedure being carried-on. But the information of weak insulation to the concerned authority will help them to take at the situation at the earliest opportunity and rectify the problem.
If we use a system which monitors earth leakage currents and raises caution and alarm when earth leakage occurs, it causes certain amount of emergency as earth leakage current, when already flowing can aggravate the situation in no time as all the leakage energy will be concentrated at the fault point and can further weaken the insulation due to heating or sparking.
Therefore it is highly recommended to use Insulation Monitor System rather than Earth Leakage Monitor System. This point is the basis of the International Specification IEC 60364-7-710 for medical locations.
In our Insulation Monitor Relay we have provided two set points for insulation monitoring. One set point is called Caution Level which is adjustable from 50K to 100K ohms. Whenever the insulation between Earth and any line goes below the set caution level the Caution Relay gets energized and one change-over contact of caution relay is provided for customer usage.
The second set point is called Alarm Level, which is adjustable from 10K to 50K ohms. When the insulation between Earth and any line goes below this setting the Alarm Relay gets energized and one change-over contact of this relay is also provided for customer usage.
Our Insulation Monitor Relay checks the insulation between Earth and Line1 for 5 seconds and displays the insulation resistance in terms of K-ohms on the unit along with LED marked Line 1. After that it checks the insulation between Earth and Line 2 for 5 seconds and displays the value along with LED marked Line 2. This process continues all the time and when-ever any relay Caution or Alarm gets energized its corresponding LED also gets ON.

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The prominent features of this panel are as under:

 

· 3 mAmp to 10 mAmp (adjustable) current setting.

· Audible Alarm Indication on Earth Leakage Condition.

· Visual Display of Earth Leakage Current with Analog Or Digital Meter.

· 100%, no false signals.

· Life Time Guarantee (conditions apply)

Isolation Panel with Earth Leakage Protection&Indication

(specialized for operation theatres)

 

This Panel is used to protect the patients and the sensitive equipments in Intensive Care Units or Operation Theaters from the transients of the Main Supply and Earth Leakage in any of the Electrical/Electronic Equipments used in these places.

Transients are generated in the Main Supply whenever any heavy load or inductive/capacitive load in switched ON or OFF on the Main Supply within your own premises or in the same supply line. Transients are very high voltages (of the order of Kilo Volts) at very high frequency. These transients are very damaging to the sensitive equipment and the Patients connected to various instruments & machines to monitor the Patients condition continuously.

With the use of more and more Electrical/Electronic machines & instruments on the Patients, there is a great possibility of any of these machines getting a weak insulation due to some fault or mishandling. This condition results in giving an excessive current through the body of the Patient as he is lying on the bed connected to earth. This condition is recogonised as Earth Leakage and our panel is able to sense the leakage current from 3milli ampere onward and give an alarm or trip the supply to the instruments to save the Patient and the instruments and machines if the leakage current goes beyond the set limit. Our Panel also displays the actual Leakage Current on a Meter.

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