MAIN CHARACTERISTICS range COMPACT range of product NS400..630 product name COMPACT NS product or component type BASIC FRAME device short name COMPACT NS400L circuit breaker name COMPACT NS400L poles description 3P network type AC network frequency 50 60 HZ control type TOGGLE [In] rated current 320 A 65 DC [Ui] rated insulation voltage 750 V AC 5060 HZ CONFORMING TO IEC 60947-2 [Uimp] rated impulse withstand voltage 8 KV CONFORMING TO IEC 60947-2 [Ue] rated operational voltage 690 V AC 5060 HZ CONFORMING TO IEC 60947-2 breaking capacity code L breaking capacity 130 KA AT 480 V AC 5060 HZ CONFORMING TO NEMA AB1 HIC [Ics] rated service breaking capacity ICS 130 KA 440 V AC 5060 HZ CONFORMING TO IEC 60947-2 suitability for isolation YES CONFORMING TO IEC 60947-2 utilisation category A pollution degree 3 CONFORMING TO IEC 60947 COMPLEMETARY CHARACTERISTICS mounting mode FIXED mounting support BACKPLATE upside connection FRONT downside connection FRONT circuit breaker CT rating 150 A protection type WITHOUT PROTECTION mechanical durability 15000 CYCLES CONFORMING TO IEC 60947-2 electrical durability 12000 CYCLES 440 V AC 5060 HZ IN2 CONFORMING TO IEC 60947-2 connection pitch 45 MM height 255 MM width 140 MM depth 110 MM compatibility code NS400