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what is SISvar software and from where can be downloaded?
SISvar software is used to:   Get technical information about power factor correction and harmonics Calculate your reactive power needs Select the...
What is meant by reflex tripping for NSX breakers
Compact NSX100 to 630 devices incorporate the exclusive reflex-tripping system. This system breaks very high fault currents. The device is mechanically...
What is the principle of operation for Magnetic Latching Contactor CR1F?
The latching function is due to the magnetic circuitry used in CR1F** contactors.   There are two inputs on the coil Input to latch the contactor...
How do you check the health status of CRA module 140CRA93100 in Concept?
Function block STAT can be used under 984LL section in Concept to check the health status of CRA module 140CRA93100. It will give the communication...
How do you unlock the access of all Drive Parameters in an Altivar 31 Drive?
In order to gain access to all the Altivar 31 Drive parameters one of the two conditions will apply:   1. Parameter Access Via Standard Keypad (Integrated...
Can an impulse-type power supply be used for electrical opening and closing order of Compact NS MCCB?
Yes, the impulse-type power supply (time duration > 20 ms and Voltage level above 0.7Un) can be used for electrical opening and closing of Compact...
Is it possible to connect the Recloser Earth Leakage Device (RED) in single phase network?
Yes, it's possible to connect the Recloser Earth Leakage Device (RED) in single phase network. Refer the attached connection diagram for more details....
What is the maximum length of the connector cable between the LTMR and LTME module in TeSys T Range?
Three different length connectors are available for connecting the LTMR and LTME module. The maximum length between the connections of TeSys T controller...
What are the different scenarios of Ready LED in Compact NSX?
The different scenarios of Ready LED in Compact NSX is as shown in the attached.    Note: Ensure that the trip unit is correctly supplied i.e. primary...
Why does the display light of Micrologic 6.2 trip unit of Compact NSX not glow even when the load reading is displayed.
Unlike other range of Micrologic the backlighting or display light of Micrologic 6.2 is not self powered by the primary current.   A separate external...
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