VA88 circuit breakers are intended for conducting current in normal mode and switching it off at short circuits, overload, inadmissible bucking as well as operational actuation and tripping of electric circuit parts.
Correspond to the requirements of EN 60947-1, EN 60947-2.
Easy independent installation of auxiliary devices:
– signal contact;
– auxiliary contact;
– undervoltage trip;
– shunt trip;
– rotary handle;
– motor control;
– plug-in panel;
– pull-out panel.
Standard set of each circuit breaker consists of connecting busbars or cable lugs (depending on the size), phase separators, a set of screws and nuts for its mounting onto an installation panel.
Position of connection for main current circuit: EV000154
Setting range over-current release: 10 In
Number of auxiliary contacts as normally closed contact: 0
Number of auxiliary contacts as normally open contact: 0
Number of auxiliary contacts as change-over contact: 0
Number of poles: 3
Device construction: EV009212
Rated surge voltage invariability: 8
Rated voltage: 400
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz: 35
Rated permanent current Iu: 250
Nominal operating max breaking capacity: 25
Nominal rated voltage: 400
Nominal rated current: 250
Degree of protection (I.
They are designed for use in electric units having the operative voltage limited to 400 V per rated current from 12,5 to 1600 A.
VA88 circuit breakers are intended for conducting current in normal mode and switching it off at short circuits, overload, inadmissible bucking as well as operational actuation and tripping of electric circuit parts
