Kraus & Naimer KG250 switch-disconnector, design as main switch, design as isolating switch, 1 switch, max. Rated operating voltage Ue at A 1000V, rated continuous current Iu 250A, rated continuous current, AC-23, 400 V 250A, rated continuous current, AC-21, 400 V 250A, rated power at AC-3, 400 V 55kW.
Specifications
Version as main switch : Yes
Version as maintenance-/service switch : No
Version as safety switch : No
Version as emergency stop installation : No
Version as reversing switch : No
Number of switches : 1
Max. rated operation voltage Ue AC (V) : 1000
Rated operating voltage (V) : 0 V to 0 V
Rated permanent current Iu (A) : 250
Rated permanent current at AC-23, 400 V (A) : 250
Rated permanent current at AC-21, 400 V (A) : 250
Rated operation power at AC-3, 400 V (kW) : 55
Rated short-time withstand current lcw (kA) : 4.6
Rated operation power at AC-23, 400 V (kW) : 90
Switching power at 400 V (kW) : 90
Conditioned rated short-circuit current Iq (kA) : 30
Number of poles : 4
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
Motor drive optional : No
Motor drive integrated : No
Voltage release optional : No
Device construction : Built-in device fixed built-in technique
Suitable for floor mounting : No
Suitable for front mounting 4-hole : Yes
Suitable for front mounting center : No
Suitable for distribution board installation : No
Suitable for intermediate mounting : No
Color control element : Black
Type of control element : Turn button
Interlockable : Yes
Type of electrical connection of main circuit : Screw connection
Degree of protection (IP), front side : IP66
Degree of protection (NEMA) : Other
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