System pro M compact® - Piti Group

Systempro M compact ®Technical detailsE 250 latching relaysCommanddevicesUse of lighted pushbuttonsLatching relays can be controlled through lighted pushbuttons, without any limitations in terms ofconnection of three-terminal types.In two-terminals pushbuttons the current that flows through pushbutton lamps can trigger anunwanted activation; in order to avoid this there is the E 250 CP compensation module, installed inparallel on the coil.Number of E 250 CPNumber of connectable lighted pushbuttonscompensation modules1P – 2P types3P – 4P types0 8 91 18 222 45 38Maximum length of very low voltage connectionsToo long feeding cables can cause a drop in the supply voltage, which could be inadequate for guaranteeingstandard operating conditions of latching relays, in particular for very low voltage types.For this reason the wiring must not exceed the maximum lengths (outward and return) shown in thetable.U N 0.5 mm 2 0.75 mm 2 1 mm 2 1.5 mm 28 V~ 28 m 41 m 55 m 90 m12 V~ 68 m 102 m 136 m 224 m24 V~ 272 m 412 m 548 m 896 m48 V~ 1096 m 1640 m 2184 m 3584 m10Selection tables ............................. pag. 6/2710/134 ABB