Page 4 of Circuit Breakers / Switches by Moeller Electric USA

system overview circuit-breakers disconnect switches moeller sk1230-1157en-na add-on functions a 24 circuit-breakers for north america 1 rated uninterrupted current up to 1200 a switching capacity 25 35 42 85,100 ka at 480 v adjustable releases for overload and short-circuit adjustable time selectivity earth-fault protection protection of systems cables motors generators 3 pole version ul489/csa5 iec 60947 a6 circuit-breakers without overcurrent 1 protection for north america rated uninterrupted current up to 1200 a remotely tripped with undervoltage or shunt release 3 pole version ul489/csa5 a 20 disconnect switches for 1 north america rated uninterrupted current up to 1200 a remotely tripped disconnect switches with undervoltage or shunt release 3 pole version ul489/csa5 iec 60947 a 21 standard auxiliary contact 11 switching with the main contacts used for indication and interlocking tasks trip-indicating auxiliary contact 11 general indication of tripping with trip due to overload or short-circuit as well as voltage release early-make auxiliary contacts 25 for interlocking and load shedding circuits as well as for early make of the undervoltage release in main switch emergency-stop applications a 24 voltage releases undervoltage release · non-delayed · off-delayed shunt release a 26 spacers a 60 delay unit for undervoltage releases a 50 door coupling rotary handle · lockable · with door interlock a 50 main switch rotary handle for side panel mounting a 56 extension shaft can be cut to required length a 50 rotary handle lockable a 54 remote operator for on and off switching and resetting by means of 2-wire or 3-wire control a 62 toggle lever interlock device a 60 flange operator in preparation 21 20 19 16 14 12 13 15 26 10 25 mounting accessories control circuit terminal for two terminals at top or bottom nzm1 a 68 nzm2 a 72 nzm3 a 76 nzm4 a 86 tunnel terminals for al and cu cable standard with control circuit terminal nzm1 a 66 nzm2 a 70 nzm3 a 76 nzm4 a 82 box terminals standard equipment of frame size 1 fitted within the switch housing nzm1 a 66 nzm2 a 70 nzm3 a 74 terminal cover 3 protection against direct contact where cable lugs busbars or tunnel terminals are used nzm1 a 68 nzm2 a 72 nzm3 a 78 nzm4 a 86 clip plates nzm1-xc35 for 35 mm top-hat rail nzm1-xc75 for 75 mm top-hat rail a 60 rear connection nzm1 a 66 nzm2 a 70 nzm3 a 76 nzm4 a 82 plug-in and withdrawable unit a 92 insulating surround 18 for use with toggle levers rotary drives and remote operators protruding from the enclosure nzm1 a 60 external warning plate/designation label nzm1 a 59 ip2x protection against contact with 2 a finger for box terminals nzm1 a 68 nzm2 a 72 nzm3 a 78 ip2x protection against contact with 4 a finger for barrier nzm1 a 68 nzm2 a 72 nzm3 a 78 24 17 7 9 8 5 5 6 3 data management interface dmi 22 module access to diagnostics and operational data recording of current values parameterization and control of the circuitbreakers with electronic releases a 88 easy-link-ds data plug a see main moeller catalogue for industrial switchgear profibus-dp interface a 88 23 circuit-breakers disconnect switches up to 1200 a

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