3RH21222LF401AA0

Data sheet 3RH2122-2LF40-1AA0 Coupling contactor relay railway 2 NO + 2 NC, 110 V DC, 0.7 ... 1.25* US, with varistor integrated, Size S00, Spring-type terminal for upright mounting position product brand name SIRIUS product designation Coupling relay for switching auxiliary circuits product type designation 3RH2 General technical data size of contactor S00 product extension auxiliary switch Yes insulation voltage with degree of pollution 3 at AC rated value 690 V degree of pollution 3 surge voltage resistance rated value 6 kV shock resistance at rectangular impulse ● at DC 10g / 5 ms, 5g / 10 ms shock resistance with sine pulse ● at DC 15g / 5 ms, 8g / 10 ms mechanical service life (switching cycles) ● of contactor typical 30 000 000 ● of the contactor with added electronically optimized auxiliary switch block typical 5 000 000 ● of the contactor with added auxiliary switch block typical 10 000 000 reference code acc. to IEC 81346-2 K Substance Prohibitance (Date) 01.10.2009 00:00:00 Ambient conditions installation altitude at height above sea level maximum 2 000 m ● ambient temperature during operation -25 ... +60 °C ● ambient temperature during storage -55 ... +80 °C Main circuit no-load switching frequency ● at AC 10 000 1/h ● at DC 10 000 1/h Control circuit/ Control type of voltage of the control supply voltage DC control supply voltage at DC ● rated value 110 V operating range factor control supply voltage rated value of magnet coil at DC ● initial value 0.7 ● full-scale value 1.25 3RH21222LF401AA0 Page 1/2 1.21.2021 Subject to change without notice © Copyright Siemens design of the surge suppressor with varistor closing power of magnet coil at DC 2.8 W holding power of magnet coil at DC 2.8 W closing delay ● at DC 30 ... 100 ms opening delay ● at DC arcing time 7 ... 20 ms 10 ... 15 ms Auxiliary circuit number of NC contacts for auxiliary contacts ● instantaneous contact number of NO contacts for auxiliary contacts ● instantaneous contact 2 2 2 2 identification number and letter for switching elements 21 operational current at AC-12 maximum 10 A operational current at AC-15 ● at 230 V rated value 10 A ● at 400 V rated value 3A ● at 500 V rated value 2A ● at 690 V rated value 1A operational current at 1 current path at DC-12 ● at 24 V rated value 10 A ● at 110 V rated value 3A ● at 220 V rated value 1A ● at 440 V rated value 0.3 A ● at 600 V rated value 0.15 A operational current with 2 current paths in series at DC-12 ● at 24 V rated value 10 A ● at 60 V rated value 10 A ● at 110 V rated value 4A ● at 220 V rated value 2A ● at 440 V rated value 1.3 A ● at 600 V rated value 0.65 A operational current with 3 current paths in series at DC-12 ● at 24 V rated value 10 A ● at 60 V rated value 10 A ● at 110 V rated value 10 A ● at 220 V rated value 3.6 A ● at 440 V rated value 2.5 A ● at 600 V rated value 1.8 A operating frequency at DC-12 maximum 1 000 1/h operational current at 1 current path at DC-13 ● at 24 V rated value 10 A ● at 110 V rated value 1A ● at 220 V rated value 0.3 A ● at 440 V rated value 0.14 A ● at 600 V rated value 0.1 A operational current with 2 current paths in series at DC-13 ● at 24 V rated value 10 A ● at 60 V rated value 3.5 A ● at 110 V rated value 1.3 A ● at 220 V rated value 0.9 A ● at 440 V rated value 0.2 A ● at 600 V rated value 0.1 A operational current with 3 current paths in series at 3RH21222LF401AA0 Page 2/3 1.21.2021 Subject to change without notice © Copyright Siemens DC-13 ● at 24 V rated value 10 A ● at 60 V rated value 4.7 A ● at 110 V rated value 3A ● at 220 V rated value 1.2 A ● at 440 V rated value 0.5 A ● at 600 V rated value 0.26 A operating frequency at DC-13 maximum 1 000 1/h design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 V C characteristic: 6 A; 0.4 kA contact reliability of auxiliary contacts 1 faulty switching per 100 million (17 V, 1 mA) UL/CSA ratings contact rating of auxiliary contacts according to UL A600 / Q600 Short-circuit protection design of the fuse link for short-circuit protection of the auxiliary switch required fuse gL/gG: 10 A Installation/ mounting/ dimensions mounting position standing, on horizontal mounting surface fastening method screw and snap-on mounting onto 35 mm standard mounting rail height 70 mm width 45 mm depth 121 mm required spacing ● with side-by-side mounting — forwards 10 mm — upwards 10 mm — downwards 10 mm — at the side 0 mm ● for grounded parts — forwards 10 mm — upwards 10 mm — at the side 6 mm — downwards 10 mm ● for live parts — forwards 10 mm — upwards 10 mm — downwards 10 mm — at the side 6 mm Connections/ Terminals type of electrical connection for auxiliary and control circuit spring-loaded terminals type of connectable conductor cross-sections ● for auxiliary contacts — solid or stranded 2x (0,5 ... 4 mm²) — finely stranded with core end processing 2x (0.5 ... 2.5 mm²) — finely stranded without core end processing 2x (0.5 ... 2.5 mm²) ● at AWG cables for auxiliary contacts 2x (20 ... 12) Safety related data B10 value with high demand rate acc. to SN 31920 1 000 000; With 0.3 x Ie proportion of dangerous failures ● with low demand rate acc. to SN 31920 40 % ● with high demand rate acc. to SN 31920 73 % failure rate [FIT] with low demand rate acc. to SN 31920 100 FIT product function positively driven operation acc. to IEC 60947-5-1 Yes T1 value for proof test interval or service life acc. to IEC 61508 20 y protection class IP on the front acc. to IEC 60529 IP20 touch protection on the front acc. to IEC 60529 finger-safe, for vertical contact from the front 3RH21222LF401AA0 Page 3/4 1.21.2021 Subject to change without notice © Copyright Siemens Certificates/ approvals General Product Approval EMC KC Declaration of Conformity Miscellaneous Test Certificates Marine / Shipping Type Test Certificates/Test Report Marine / Shipping other Confirmation Railway Vibration and Shock Further information Information- and Downloadcenter (Catalogs, Brochures,…) https://www.siemens.com/ic10 Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3RH2122-2LF40-1AA0 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RH2122-2LF40-1AA0 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RH2122-2LF40-1AA0 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RH2122-2LF40-1AA0&lang=en Characteristic: Tripping characteristics, I²t, Let-through current https://support.industry.siemens.com/cs/ww/en/ps/3RH2122-2LF40-1AA0/char Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RH2122-2LF40-1AA0&objecttype=14&gridview=view1 3RH21222LF401AA0 Page 4/5 1.21.2021 Subject to change without notice © Copyright Siemens 3RH21222LF401AA0 Page 5/6 1.21.2021 Subject to change without notice © Copyright Siemens 3RH21222LF401AA0 Page 6/7 1.21.2021 Subject to change without notice © Copyright Siemens last modified: 3RH21222LF401AA0 Page 7/7 12/15/2020 1.21.2021 Subject to change without notice © Copyright Siemens