Siemens Overload 3RU1146-4DB0 Overload Range 18-25 amps (Fits 3RT104 Contactors) Click Here to View information about this Product Features and technical characteristics 1 NO & 1 NC auxiliary contacts Manual/automatic RESET Trip indicator STOP button Test function Sealable cover Application:3RU11 overload relays provide overload protection for three-phase inductive motors withrated currents of up to 100A (75HP, AC-3,480V). They are used in conjunction with3RT10 contactors to form motor starters. Trip class:The 3RU11 overload relays are designed inaccordance with trip class 10, i.e. trips in lessthan 10 seconds at 6 times the trip current setting (FLA). The 3RU11 thermal overload relay is set by adjusting to the rated motor current with a setting dial. The range on the setting dial is calibrated in amperes.
