Содержание MicroVersaTrip

Страница 1: ...GEH 4657 Instructions MicroVersaTrip Programmer For Circuit Breakers 150 4000 Amperes 480 600V 240 ac m v Sir ELECTRIC 7JJ GENERAL Courtesy of NationalSwitchgear com ...

Страница 2: ...rammers with remote target indicator are not inter changeable between circuit breaker frames Programmer Rejection System The programmer and breaker frames have a rejection system which prevents programmers with the HI instan taneous function from being used on standard breaker frames Programmers with the suffix M no instan taneous function are compatible with AK breakers only and not on the Molded...

Страница 3: ...e breaker to carry high level overload currents for a short period of time This feature again is to provide further degrees of selectivity within a system Short time trip settings are the following multiples of the Current Setting Item 1 C 150 4000A 1 5C 2C 2 5C 3C 4C 5C 7C 9C 6 Adjustable Short Time Delay The adjustable short time delay provides a fur ther refinement of coordination between and d...

Страница 4: ...er and the tie is closed neutral load current can flov through the two neutral sensors The sensor circuitry shown in Fig 1 Fig 2 is arranged to prevent th neutral load current from actuating the ground fault trip units GFP Settings When mains and tie have MicroVersaTrip GR grounc fault protection set tie breaker delay time at MINIMUN 0 2 sec Set main breaker delay time at IN TERMEDIATE 0 3 sec in ...

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