Eaton Digitrip RMS 510 Instruction Leaflet

Also see for Cutler-Hammer Digitrip RMS 510: Instructions Instructional Leaflet Instructions

5Instruction Leaflet I. L. 29-885DEffective August 2011Instructions for Digitrip RMS 510 Trip UnitEATON CORPORATION www.eaton.comTo check the status of the battery, see Section 4 5otee:N The Digitrip RMS 510 performs all of its protection functions regardlessof the status of the battery The battery serves only to maintain the indicationof the reason for automatic tripPress and release the "TRIP RESET" push-button shown in Figure 2,to turn "Off" the LEDs following a trip operation1.1.2 General Over-Current ProtectionThe Digitrip RMS 510 Trip Unit is completely self-contained andwhen the circuit breaker is closed, requires no external controlpower to operate its protection systems It operates from currentsignal levels and control power derived through current sensors inte-grally mounted in the circuit breakerThe Digitrip RMS 510 Trip Unit is available in six different typesEach Trip Unit may be equipped with a maximum of five phase andtwo ground (time-current) settings (see Section 3) to meet specificapplication requirements The protection available for each type issummarized in the following table, and illustrated in Figures 3 thru 8:Protection Functions Type FigureLong Time / Instantaneous LI* 3Long Time / Short Time LS* 4Long Time /Short Time /lnstantaneous LSI* 5Long Time / Instantaneous/ Ground LIG 6Long Time / Short Time /Ground LSG 7Long Time / Short Time /lnstantaneous / Ground LSlG 8otee:N *RMS Digitrip Type LI, LS and LSI Trip Units can be applied on 3-pole or4-pole circuit breakers for protection of the neutral circuit, IF the circuit break-er is wired and MARKED for NEUTRAL PROTECTION Refer to the NationalElectric Code for appropriate application of 4-pole breakersFigure 3. Digitrip RMS 510 Type Ll.Figure 4. Digitrip RMS 510 Type LS.