3RT20252KB40

Data sheet 3RT2025-2KB40 power contactor, AC-3 17 A, 7.5 kW / 400 V 1 NO + 1 NC, 24 V DC with integrated varistor 3-pole, size S0, spring-type terminal suitable for PLC outputs not expandable with auxiliary switch product brand name SIRIUS product designation Coupling contactor product type designation 3RT2 General technical data size of contactor S0 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 1.8 W ● at AC in hot operating state per pole 0.6 W ● without load current share typical 4.5 W insulation voltage ● of main circuit with degree of pollution 3 rated value 690 V ● of auxiliary circuit with degree of pollution 3 rated value 690 V 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 according to EN 60947-1 400 V shock resistance at rectangular impulse ● at DC 10g / 5 ms, 7,5g / 10 ms shock resistance with sine pulse ● at DC 15g / 5 ms, 10g / 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 according to IEC 81346-2 Q Substance Prohibitance (Date) 10/01/2009 Ambient conditions installation altitude at height above sea level maximum 2 000 m ambient temperature ● during operation -25 ... +60 °C ● during storage -55 ... +80 °C relative humidity minimum 10 % relative humidity at 55 °C according to IEC 60068-2-30 maximum 95 % 3RT20252KB40 Page 1/8 7/8/2022 Subject to change without notice © Copyright Siemens 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 690 V ● at AC-3e rated value maximum 690 V operational current ● at AC-1 at 400 V at ambient temperature 40 °C rated value 40 A ● at AC-1 — up to 690 V at ambient temperature 40 °C rated value 40 A — up to 690 V at ambient temperature 60 °C rated value 35 A ● at AC-3 — at 400 V rated value 17 A — at 500 V rated value 17 A — at 690 V rated value 13 A ● at AC-3e — at 400 V rated value 17 A — at 500 V rated value 17 A — at 690 V rated value 13 A ● at AC-4 at 400 V rated value 15.5 A ● at AC-5a up to 690 V rated value 35.2 A ● at AC-5b up to 400 V rated value 14.1 A ● at AC-6a — up to 230 V for current peak value n=20 rated value 11.4 A — up to 400 V for current peak value n=20 rated value 11.4 A — up to 500 V for current peak value n=20 rated value 11.4 A — up to 690 V for current peak value n=20 rated value 11.3 A ● at AC-6a — up to 230 V for current peak value n=30 rated value 7.6 A — up to 400 V for current peak value n=30 rated value 7.6 A — up to 500 V for current peak value n=30 rated value 7.6 A — up to 690 V for current peak value n=30 rated value 7.6 A minimum cross-section in main circuit at maximum AC-1 rated value 10 mm² operational current for approx. 200000 operating cycles at AC-4 ● at 400 V rated value 7.7 A ● at 690 V rated value 7.7 A operational current ● at 1 current path at DC-1 — at 24 V rated value 35 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 35 A — at 110 V rated value 35 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 3RT20252KB40 Page 2/8 7/8/2022 Subject to change without notice © Copyright Siemens — at 24 V rated value 35 A — at 110 V rated value 35 A — at 220 V rated value 35 A — at 440 V rated value 2.9 A — at 600 V rated value 1.4 A ● at 1 current path at DC-3 at DC-5 — at 24 V rated value 20 A — at 110 V rated value 2.5 A — at 220 V rated value 1A — at 440 V rated value 0.09 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 35 A — at 110 V rated value 15 A — at 220 V rated value 3A — 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 35 A — at 110 V rated value 35 A — at 220 V rated value 10 A — at 440 V rated value 0.6 A — at 600 V rated value 0.6 A operating power ● at AC-3 — at 230 V rated value 4 kW — at 400 V rated value 7.5 kW — at 500 V rated value 7.5 kW — at 690 V rated value 11 kW ● at AC-3e — at 230 V rated value 4 kW — at 400 V rated value 4.5 kW — at 500 V rated value 7.5 kW — at 690 V rated value 11 kW operating power for approx. 200000 operating cycles at AC-4 ● at 400 V rated value 3.5 kW ● at 690 V rated value 6 kW operating apparent power at AC-6a ● up to 230 V for current peak value n=20 rated value 4.5 kVA ● up to 400 V for current peak value n=20 rated value 7.8 kVA ● up to 500 V for current peak value n=20 rated value 9.9 kVA ● up to 690 V for current peak value n=20 rated value 13.6 kVA operating apparent power at AC-6a ● up to 230 V for current peak value n=30 rated value 3 kVA ● up to 400 V for current peak value n=30 rated value 5.2 kVA ● up to 500 V for current peak value n=30 rated value 6.6 kVA ● up to 690 V for current peak value n=30 rated value 9.1 kVA short-time withstand current in cold operating state up to 40 °C ● limited to 1 s switching at zero current maximum 225 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 5 s switching at zero current maximum 225 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 10 s switching at zero current maximum 180 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 30 s switching at zero current maximum 115 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 60 s switching at zero current maximum 96 A; Use minimum cross-section acc. to AC-1 rated value no-load switching frequency ● at DC 1 500 1/h operating frequency ● at AC-1 maximum 1 000 1/h ● at AC-2 maximum 1 000 1/h ● at AC-3 maximum 1 000 1/h 3RT20252KB40 Page 3/8 7/8/2022 Subject to change without notice © Copyright Siemens ● at AC-3e maximum 1 000 1/h ● at AC-4 maximum 300 1/h Control circuit/ Control type of voltage of the control supply voltage DC control supply voltage at DC ● rated value 24 V operating range factor control supply voltage rated value of magnet coil at DC ● initial value 0.7 ● full-scale value 1.25 design of the surge suppressor with varistor closing power of magnet coil at DC 4.5 W holding power of magnet coil at DC 4.5 W closing delay ● at DC 52 ... 270 ms opening delay ● at DC 19 ... 21 ms arcing time 10 ... 10 ms control version of the switch operating mechanism Standard A1 - A2 Auxiliary circuit number of NC contacts for auxiliary contacts instantaneous contact 1 number of NO contacts for auxiliary contacts instantaneous contact 1 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 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 10 A ● 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 14 A ● at 600 V rated value 17 A yielded mechanical performance [hp] ● for single-phase AC motor — at 110/120 V rated value 1 hp — at 230 V rated value 3 hp ● for 3-phase AC motor — at 200/208 V rated value 3 hp — at 220/230 V rated value 5 hp — at 460/480 V rated value 10 hp — at 575/600 V rated value 15 hp 3RT20252KB40 Page 4/8 7/8/2022 Subject to change without notice © Copyright Siemens contact rating of auxiliary contacts according to UL A600 / P600 Short-circuit protection design of the fuse link ● for short-circuit protection of the main circuit — with type of coordination 1 required gG: 63A (690V,100kA), aM: 32A (690V,100kA), BS88: 63A (415V,80kA) — with type of assignment 2 required gG: 25A (690V,100kA), aM: 20A (690V,100kA), BS88: 25A (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 102 mm width 45 mm depth 107 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 spring-loaded terminals ● for auxiliary and control circuit spring-loaded terminals ● at contactor for auxiliary contacts Spring-type terminals ● of magnet coil Spring-type terminals type of connectable conductor cross-sections ● for main contacts — solid 2x (1 ... 10 mm²) — solid or stranded 2x (1 ... 10 mm²) — finely stranded with core end processing 2x (1 ... 6 mm²) — finely stranded without core end processing 2x (1 ... 6 mm²) ● at AWG cables for main contacts 2x (18 ... 8) connectable conductor cross-section for main contacts ● solid 1 ... 10 mm² ● stranded 1 ... 10 mm² ● finely stranded with core end processing 1 ... 6 mm² ● finely stranded without core end processing 1 ... 6 mm² connectable conductor cross-section for auxiliary contacts ● solid or stranded 0.5 ... 2.5 mm² ● finely stranded with core end processing 0.5 ... 1.5 mm² ● finely stranded without core end processing 0.5 ... 2.5 mm² type of connectable conductor cross-sections ● for auxiliary contacts — solid or stranded 2x (0.5 ... 2.5 mm²) — finely stranded with core end processing 2x (0.5 ... 1.5 mm²) 3RT20252KB40 Page 5/8 7/8/2022 Subject to change without notice © Copyright Siemens — finely stranded without core end processing 2x (0.5 ... 2.5 mm²) ● at AWG cables for auxiliary contacts 2x (20 ... 14) AWG number as coded connectable conductor cross section ● for main contacts 18 ... 8 ● for auxiliary contacts 20 ... 14 Safety related data product function ● mirror contact according to IEC 60947-4-1 Yes B10 value with high demand rate according to SN 31920 450 000 proportion of dangerous failures ● with low demand rate according to SN 31920 40 % ● with high demand rate according to SN 31920 73 % failure rate [FIT] with low demand rate according to SN 31920 100 FIT T1 value for proof test interval or service life according to IEC 61508 20 y protection class IP on the front according to IEC 60529 IP20 touch protection on the front according to IEC 60529 finger-safe, for vertical contact from the front suitability for use ● safety-related switching OFF Yes Certificates/ approvals General Product Approval Confirmation EMC Functional Safety/Safety of Machinery Declaration of Conformity Type Examination Certificate Test Certificates KC Test Certificates Special Test Certificate Type Test Certificates/Test Report Marine / Shipping Miscellaneous Marine / Shipping other Dangerous Good Confirmation Transport Information 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=3RT2025-2KB40 Cax online generator 3RT20252KB40 Page 6/8 7/8/2022 Subject to change without notice © Copyright Siemens http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2025-2KB40 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RT2025-2KB40 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RT2025-2KB40&lang=en Characteristic: Tripping characteristics, I²t, Let-through current https://support.industry.siemens.com/cs/ww/en/ps/3RT2025-2KB40/char Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RT2025-2KB40&objecttype=14&gridview=view1 3RT20252KB40 Page 7/8 7/8/2022 Subject to change without notice © Copyright Siemens 5/L3 13 6/T3 14 21 3/L2 1/L1 2/T1 4/T2 A1 (+) A2 (-) -Q last modified: 3RT20252KB40 Page 8/8 22 U 6/2/2022 7/8/2022 Subject to change without notice © Copyright Siemens