Page 80 of Contactors and Motor Protection by Moeller Electric USA

overloadrelays zw7 current transformer overload relays designed for heavy-duty starting applications having long accelerating times tripping time in 20 to 30 seconds under locked rotor conditions ambient compensated bi-metallic overload tripping mechanism manual automatic reset button built-in no and nc auxiliary contact separate mount zw7 current transformer-operated thermal overload relays auxiliary contacts overload relay adjustable setting range 42 ­ 63 60 ­ 90 85 ­ 125 110 ­ 160 160 ­ 240 190 ­ 290 270 ­ 400 360 ­ 540 short-circuit protection for use with fuses a circuit breaker a zw7-63 zw7-90 zw7-125 as required by associated zw7-160 contactor overload relay zw7-240 is self-protecting zw7-290 zw7-400 zw7-540 no 1 1 1 1 1 1 1 1 nc 1 1 1 1 1 1 1 1 type article number 000245 002618 004991 007364 009737 052448 045329 047702 price dilm50 to dilm580 diulm50 to diulm580 see green pages the specified primary rated current applies to one cable loop for lower rated motor current loop cable several times e.g zw7-63 for 21 31.5 a rated motor current loop cable twice 81

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