3RH2911-1HA31

Data sheet 3RH2911-1HA31 AUX.SWITCH BLOCK,FRONT,3NO+1NC, CURR.PATH: 1NC, 1NO, 1NO, 1NO, F. CONT. RELAYS A. MOTOR CONT., 3RT2 SCREW TERMINAL .1 / .2,.3 / .4,.3 / .4,.3 / .4 General technical data: product brand name SIRIUS Suitability for use Contactor relay and power contactor Protection class IP on the front IP20 Ambient temperature ● during storage °C -55 ... +80 ● during operation °C -25 ... +60 Mechanical service life (switching cycles) typical 10 000 000 Electrical endurance (switching cycles) 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 auxiliary contacts 1 faulty switching per 100 million (17 V, 1 mA) Insulation voltage with degree of pollution 3 rated value V 690 Surge voltage resistance rated value kV 6 Auxiliary circuit: Number of NC contacts for auxiliary contacts ● instantaneous contact 3RH2911-1HA31 Page 1/5 1 22.02.2016 Changes preserved © Copyright Siemens AG 0 ● lagging switching Number of NO contacts for auxiliary contacts ● instantaneous contact 3 ● leading contact 0 Operating current of auxiliary contacts at AC-12 ● at 24 V A 10 ● at 230 V A 10 ● maximum A 10 — at 125 V A 6 — at 250 V A 6 — at 24 V A 6 — at 230 V A 6 — at 400 V A 3 A 1 — 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 — 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 — at 24 V A 6 — at 60 V A 2 — at 110 V A 1 — at 220 V A 0.3 A 10 Operating current ● of auxiliary contacts — at AC-14 — at AC-15 ● at AC-15 at 690 V rated value Operating current ● with 2 current paths in series at DC-12 ● with 3 current paths in series at DC-12 Operating current ● of auxiliary contacts at DC-13 ● with 2 current paths in series at DC-13 — at 24 V rated value 3RH2911-1HA31 Page 2/5 22.02.2016 Changes preserved © Copyright Siemens AG — at 60 V rated value A 3.5 — at 110 V rated value A 1.3 — at 220 V rated value A 0.9 — at 440 V rated value A 0.2 — at 600 V rated value A 0.1 — at 24 V rated value A 10 — at 60 V rated value A 4.7 — at 110 V rated value A 3 — at 220 V rated value A 1.2 — at 440 V rated value A 0.5 — at 600 V rated value A 0.26 ● with 3 current paths in series at DC-13 Installation/ mounting/ dimensions: Mounting type snap-on mounting Width mm 36 Height mm 37.5 Depth mm 43.7 Connections/ Terminals: Type of electrical connection for auxiliary and control current circuit screw-type terminals Type of connectable conductor cross-sections ● for auxiliary contacts — finely stranded — with core end processing ● at AWG conductors for auxiliary contacts 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) 2x (20 ... 16), 2x (18 ... 14) Safety related data: Product function Mirror contact acc. to IEC 60947-4-1 ● Note Product function positively driven operation acc. to IEC 60947-5-1 ● Note Yes with 3RT2 Yes with 3RH2 Certificates/ approvals: 3RH2911-1HA31 Page 3/5 22.02.2016 Changes preserved © Copyright Siemens AG General Product Approval Declaration of Conformity Test Certificates Typprüfbescheinigu ng/Werkszeugnis Test Certificates Shipping Approval spezielle Prüfbescheinigunge n Shipping Approval other Umweltbestätigung Further information Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/industrial-controls/catalogs Industry Mall (Online ordering system) http://www.siemens.com/industrymall Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RH29111HA31 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RH29111HA31 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RH29111HA31&lang=en 3RH2911-1HA31 Page 4/5 22.02.2016 Changes preserved © Copyright Siemens AG 48.1 37.5 36 43.7 3RH2 3RT2 .1 .3 .3 .3 .1 .3 .3 .3 .2 .4 .4 .4 .2 .4 .4 .4 3RH2911-1HA31 Page 5/5 22.02.2016 Changes preserved © Copyright Siemens AG