3RT20371AH24

Data sheet 3RT2037-1AH24 Power contactor, AC-3 65 A, 30 kW / 400 V 2 NO + 2 NC, 48 V AC, 50/60 Hz 3-pole, size S2 screw terminals product brand name SIRIUS product designation Power contactor product type designation 3RT2 General technical data size of contactor S2 product extension ● function module for communication No ● auxiliary switch No power loss [W] for rated value of the current at AC in hot operating state ● per pole power loss [W] for rated value of the current without load current share typical 11.4 W 3.8 W 17.2 W surge voltage resistance ● of main circuit rated value 6 kV ● of auxiliary circuit rated value 6 kV maximum permissible voltage for safe isolation between coil and main contacts acc. to EN 60947-1 400 V shock resistance at rectangular impulse ● at AC 9.8g / 5 ms, 6.5g / 10 ms shock resistance with sine pulse ● at AC 15.3g / 5 ms, 10.1g / 10 ms mechanical service life (switching cycles) ● of contactor typical 10 000 000 ● 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 Q Substance Prohibitance (Date) 01.10.2014 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 number of poles for main current circuit 3 number of NO contacts for main contacts 3 ● operating voltage at AC-3 rated value maximum 3RT20371AH24 Page 1/2 690 V 1.21.2021 Subject to change without notice © Copyright Siemens operational current ● at AC-1 at 400 V at ambient temperature 40 °C rated value 80 A ● at AC-1 — up to 690 V at ambient temperature 40 °C rated value 80 A — up to 690 V at ambient temperature 60 °C rated value 70 A ● at AC-3 — at 400 V rated value 65 A — at 500 V rated value 65 A — at 690 V rated value 47 A ● at AC-4 at 400 V rated value 55 A ● at AC-5a up to 690 V rated value 70.4 A ● at AC-5b up to 400 V rated value 53.9 A ● at AC-6a — up to 230 V for current peak value n=20 rated value 56.9 A — up to 400 V for current peak value n=20 rated value 56.9 A — up to 500 V for current peak value n=20 rated value 56.9 A — up to 690 V for current peak value n=20 rated value 47 A ● at AC-6a — up to 230 V for current peak value n=30 rated value 38 A — up to 400 V for current peak value n=30 rated value 38 A — up to 500 V for current peak value n=30 rated value 38 A — up to 690 V for current peak value n=30 rated value 38 A minimum cross-section in main circuit at maximum AC-1 rated value 25 mm² operational current for approx. 200000 operating cycles at AC-4 ● at 400 V rated value 28 A ● at 690 V rated value 22 A operational current ● at 1 current path at DC-1 — at 24 V rated value 55 A — at 110 V rated value 4.5 A — at 220 V rated value 1A — at 440 V rated value 0.4 A — at 600 V rated value 0.25 A ● with 2 current paths in series at DC-1 — at 24 V rated value 55 A — at 110 V rated value 45 A — at 220 V rated value 5A — at 440 V rated value 1A — at 600 V rated value 0.8 A ● with 3 current paths in series at DC-1 — at 24 V rated value 55 A — at 110 V rated value 55 A — at 220 V rated value 45 A — at 440 V rated value 2.9 A — at 600 V rated value 1.4 A operational current ● at 1 current path at DC-3 at DC-5 — at 24 V rated value 3RT20371AH24 Page 2/3 35 A 1.21.2021 Subject to change without notice © Copyright Siemens — at 110 V rated value 2.5 A — at 220 V rated value 1A — at 440 V rated value 0.1 A — at 600 V rated value 0.06 A ● with 2 current paths in series at DC-3 at DC-5 — at 24 V rated value 55 A — at 110 V rated value 25 A — at 220 V rated value 5A — at 440 V rated value 0.27 A — at 600 V rated value 0.16 A ● with 3 current paths in series at DC-3 at DC-5 — at 24 V rated value 55 A — at 110 V rated value 55 A — at 220 V rated value 25 A — at 440 V rated value 0.6 A — at 600 V rated value 0.35 A operating power ● at AC-2 at 400 V rated value 30 kW ● at AC-3 — at 230 V rated value 18.5 kW — at 400 V rated value 30 kW — at 500 V rated value 37 kW — at 690 V rated value 37 kW operating power for approx. 200000 operating cycles at AC-4 ● at 400 V rated value 14.7 kW ● at 690 V rated value 20 kW operating apparent power at AC-6a ● up to 230 V for current peak value n=20 rated value 22.6 kV·A ● up to 400 V for current peak value n=20 rated value 39.4 kV·A ● up to 500 V for current peak value n=20 rated value 49.2 kV·A ● up to 690 V for current peak value n=20 rated value 56.1 kV·A operating apparent power at AC-6a ● up to 230 V for current peak value n=30 rated value 15.1 kV·A ● up to 400 V for current peak value n=30 rated value 26.2 kV·A ● up to 500 V for current peak value n=30 rated value 32.8 kV·A ● up to 690 V for current peak value n=30 rated value 45.3 kV·A short-time withstand current in cold operating state up to 40 °C ● limited to 1 s switching at zero current maximum 1 055 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 5 s switching at zero current maximum 730 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 10 s switching at zero current maximum 520 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 30 s switching at zero current maximum 336 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 60 s switching at zero current maximum 272 A; Use minimum cross-section acc. to AC-1 rated value no-load switching frequency ● at AC 5 000 1/h operating frequency ● at AC-1 maximum 800 1/h ● at AC-2 maximum 400 1/h ● at AC-3 maximum 700 1/h ● at AC-4 maximum 200 1/h Control circuit/ Control type of voltage of the control supply voltage AC control supply voltage at AC ● at 50 Hz rated value 48 V ● at 60 Hz rated value 48 V operating range factor control supply voltage rated value of magnet coil at AC ● at 50 Hz 3RT20371AH24 Page 3/4 0.8 ... 1.1 1.21.2021 Subject to change without notice © Copyright Siemens ● at 60 Hz 0.85 ... 1.1 apparent pick-up power of magnet coil at AC ● at 50 Hz 210 V·A ● at 60 Hz 188 V·A inductive power factor with closing power of the coil ● at 50 Hz 0.69 ● at 60 Hz 0.65 apparent holding power of magnet coil at AC ● at 50 Hz 17.2 V·A ● at 60 Hz 16.5 V·A inductive power factor with the holding power of the coil ● at 50 Hz 0.36 ● at 60 Hz 0.39 closing delay ● at AC 10 ... 80 ms opening delay ● at AC 10 ... 18 ms arcing time 10 ... 20 ms control version of the switch operating mechanism Standard A1 - A2 Auxiliary circuit number of NC contacts for auxiliary contacts instantaneous contact 2 number of NO contacts for auxiliary contacts instantaneous contact 2 operational current at AC-12 maximum 10 A operational current at AC-15 ● at 230 V rated value 6A ● at 400 V rated value 3A ● at 500 V rated value 2A ● at 690 V rated value 1A operational current at DC-12 ● at 24 V rated value 10 A ● at 48 V rated value 6A ● at 60 V rated value 6A ● at 110 V rated value 3A ● at 125 V rated value 2A ● at 220 V rated value 1A ● at 600 V rated value 0.15 A operational current at DC-13 ● at 24 V rated value 6A ● at 48 V rated value 2A ● at 60 V rated value 2A ● at 110 V rated value 1A ● at 125 V rated value 0.9 A ● at 220 V rated value 0.3 A ● at 600 V rated value 0.1 A contact reliability of auxiliary contacts 1 faulty switching per 100 million (17 V, 1 mA) UL/CSA ratings full-load current (FLA) for 3-phase AC motor ● at 480 V rated value 65 A ● at 600 V rated value 52 A yielded mechanical performance [hp] ● for single-phase AC motor — at 110/120 V rated value 5 hp — at 230 V rated value 10 hp ● for 3-phase AC motor — at 200/208 V rated value 20 hp — at 220/230 V rated value 20 hp 3RT20371AH24 Page 4/5 1.21.2021 Subject to change without notice © Copyright Siemens — at 460/480 V rated value 50 hp — at 575/600 V rated value 50 hp contact rating of auxiliary contacts according to UL A600 / Q600 Short-circuit protection design of the fuse link ● for short-circuit protection of the main circuit — with type of coordination 1 required gG: 250 A (690 V, 100 kA), aM: 160 A (690 V, 100 kA), BS88: 200 A (415 V, 80 kA) — with type of assignment 2 required gG: 125A (690V,100kA), aM: 63A (690V,100kA), BS88: 100A (415V,80kA) ● for short-circuit protection of the auxiliary switch required gG: 10 A (500 V, 1 kA) Installation/ mounting/ dimensions mounting position +/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface fastening method screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 ● side-by-side mounting Yes height 114 mm width 55 mm depth 174 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 main current circuit screw-type terminals ● for auxiliary and control circuit screw-type terminals ● at contactor for auxiliary contacts Screw-type terminals ● of magnet coil Screw-type terminals type of connectable conductor cross-sections ● for main contacts — solid or stranded 2x (1 ... 35 mm²), 1x (1 ... 50 mm²) — finely stranded with core end processing 2x (1 ... 25 mm²), 1x (1 ... 35 mm²) ● at AWG cables for main contacts 2x (18 ... 2), 1x (18 ... 1) connectable conductor cross-section for main contacts ● finely stranded with core end processing 1 ... 35 mm² connectable conductor cross-section for auxiliary contacts ● solid or stranded 0.5 ... 2.5 mm² ● finely stranded with core end processing 0.5 ... 2.5 mm² type of connectable conductor cross-sections ● for auxiliary contacts — solid or stranded 2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²) — finely stranded with core end processing 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) ● at AWG cables for auxiliary contacts 3RT20371AH24 Page 5/6 2x (20 ... 16), 2x (18 ... 14) 1.21.2021 Subject to change without notice © Copyright Siemens ● AWG number as coded connectable conductor cross section for main contacts 18 ... 1 ● AWG number as coded connectable conductor cross section for auxiliary contacts 20 ... 14 Safety related data B10 value with high demand rate acc. to SN 31920 1 000 000 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 ● mirror contact acc. to IEC 60947-4-1 Yes ● positively driven operation acc. to IEC 60947-5-1 No 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 suitability for use safety-related switching OFF Yes Certificates/ approvals General Product Approval EMC KC Declaration of Conformity Miscellaneous Test Certificates Special Test Certificate Marine / Shipping Type Test Certificates/Test Report Marine / Shipping other Confirmation other Confirmation 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=3RT2037-1AH24 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2037-1AH24 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RT2037-1AH24 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) 3RT20371AH24 Page 6/7 1.21.2021 Subject to change without notice © Copyright Siemens http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RT2037-1AH24&lang=en Characteristic: Tripping characteristics, I²t, Let-through current https://support.industry.siemens.com/cs/ww/en/ps/3RT2037-1AH24/char Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RT2037-1AH24&objecttype=14&gridview=view1 3RT20371AH24 Page 7/8 1.21.2021 Subject to change without notice © Copyright Siemens last modified: 3RT20371AH24 Page 8/8 12/21/2020 1.21.2021 Subject to change without notice © Copyright Siemens