Overload relay for use with CK09/CK95 contactors. 120 to 190 A current range. Manual or auto reset type. Class-10 trip class. Bus bar terminal type. 600 A maximum fuse rating. 500 A maximum circuit breaker rating. C2000 RT overload relays provide motor overload protection through fixed bimetal heaters. These relays are ambient compensated and utilize a differential mechanism for single-phase sensitivity. The trip setting is adjustable for the range listed. Stop is initiated by pushing the reset button which interrupts the holding circuit in the latter two listed modes. Reset on the upstroke, weld check and trip test. Can be mounted to contactor with overload jumpers and base plate.