Product data sheet 3RH2911-1HA22 AUX.SWITCH BLOCK,FRONT,2NO+2NC, CURR.PATH: 1NC, 1NC, 1NO, 1NO, F. CONT. RELAYS A. MOTOR CONT., SZ S00 AND S0, SCREW TERMINAL .1 / .2,.1 / .2,.3 / .4,.3 / .4 General technical data: product brand name SIRIUS Acceptability for application Contactor relay and power contactor Protection class IP / on the front IP20 Ambient temperature during storage C -55 +80 during operating C -25 +60 Mechanical operating cycles as operating time typical 10,000,000 Electrical operating cycles as operating time / at AC-15 / at 230 V typical 200,000 Contact reliability one incorrect switching operation of 100 million switching operations (17 V, 1 mA) Contact reliability / of the auxiliary contacts 1 faulty switching per 100 million (17 V, 1 mA) Insulation voltage / with degree of pollution 3 rated value V 690 Impulse voltage resistance rated value kV 6 Auxiliary circuit: 3RH2911-1HA22 subject to modifications Page 1/5 10/18/2013 Copyright Siemens AG 2013Number of NC contacts / for auxiliary contacts instantaneous switching 2 lagging switching 0 Number of NO contacts / for auxiliary contacts instantaneous switching 2 leading switching 0 Operating current / of the auxiliary contacts / at AC-12 at 24 V A 10 at 230 V A 10 maximum A 10 Operating current of the auxiliary contacts at AC-14 at 125 V A 6 at 250 V A 6 at AC-15 at 24 V A 6 at 230 V A 6 at 400 V A 3 at AC-15 / at 690 V A 1 Operating current with 2 current paths in series / at DC-12 at 24 V / rated value A 10 at 60 V / rated value A 10 at 110 V / rated value A 4 at 220 V / rated value A 2 at 440 V / rated value A 1.3 at 600 V / rated value A 0.65 with 3 current paths in series / at DC-12 at 24 V / rated value A 10 at 60 V / rated value A 10 at 110 V / rated value A 10 at 220 V / rated value A 3.6 at 440 V / rated value A 2.5 at 600 V / rated value A 1.8 Operating current of the auxiliary contacts / at DC-13 at 24 V A 6 at 60 V A 2 at 110 V A 1 3RH2911-1HA22 subject to modifications Page 2/5 10/18/2013 Copyright Siemens AG 2013