MAIN CHARACTERISTICS range MASTERPACT range of product MASTERPACT NW product name MASTERPACT NW product or component type BASIC FRAME device short name MASTERPACT NW40B circuit breaker name MASTERPACT NW40BH1 poles description 3P network type AC breaking capacity code H1 suitability for isolation YES CONFORMING TO IEC 60947-2 utilisation category B COMPLEMETARY CHARACTERISTICS network frequency 50 60 HZ control type PUSHBUTTON mounting mode DRAWOUT [In] rated current 4000 A 40 DC [Ui] rated insulation voltage 1000 V AC 5060 HZ CONFORMING TO IEC 60947-2 [Uimp] rated impulse withstand voltage 12 KV CONFORMING TO IEC 60947-2 [Icm] rated short-circuit making capacity 220 KA 525 V AC 5060 HZ [Ue] rated operational voltage 690 V AC 5060 HZ CONFORMING TO IEC 60947-2 circuit breaker CT rating 4000 A breaking capacity 100 KA ICU AT 525 V AC 5060 HZ CONFORMING TO IEC 60947-2 [Ics] rated service breaking capacity ICS 100 KA 525 V AC 5060 HZ CONFORMING TO IEC 60947-2 protection type WITHOUT PROTECTION mechanical durability 10000 CYCLES WITH MAINTENANCE CONFORMING TO IEC 60947-2 electrical durability AC-3 : 6000 cycles 440/690 V AC 50/60 Hz without maintenance conforming to IEC 60947-2 connection pitch 230 MM [Icw] rated short-time withstand current 100 KA 1 S CONFORMING TO IEC 60947-2 maximum breaking time 25 MS closing response time < 80 MS height 479 MM width 786 MM depth 394.5 MM compatibility code NW40B