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How to use RCCB-ID in Three Phase Network.

RCCB-ID can be used for Three Phase Network (220/440V AC). Refer attachment for the connection of RCCB-ID in 3 Phase (220/440V AC) network.

How many user levels are there in Smart Demand Controller EM3460.

There are four different levels of user and passwords: 1xxx, 2xxx, 3xxx, and 4xxx. The xxx in each password is an independent number from 000 to 999 and can be changed periodically by its authorized...

How to operate ATV71 drive in Torque Control mode.

ATV71 keeps motor torque on given value (TR1 =Aix, bus). While the torque is provided, it keeps speed within the zone defined by range ( FRH+DBP, FRH-DBN), where FRH is speed reference, at the same...

What is the difference between tripping mechanism of DC MCCB and AC MCCB?

MCCB designed for interrupting an AC load do not require the contacts to separate as fast as for a DC load since AC goes through a zero crossing every half cycle. The arc will be extinguished each...

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How to differentiate power consumption & power dissipation .

The power Consumption in VA is Bus Current * Voltage And the Power dissipation is "lost" or wasted power, represented by the power converted to lower forms such as heat that are no longer...

What is Rated short-time withstand current: Ik (A)?

This is the rms value of the current which the switchgear can carry in the closed position during a specified short time. Short time is generally 1 s, and sometimes 3 s.

What Is Tropicalization and topicalization category T2 with respect to IEC...

The Tropicalized term is more related to the environmental conditions. Protection of breaker from the surrounding atmospheric conditions such as humidity, heat, cold, fungal attack, salt spray is...

What is Rated Transient Recovery Voltage (TRV)?

This is the voltage that appears across the terminals of a circuit breaker pole after the current has been interrupted. The recovery voltage wave form varies according to the real circuit...