3RT25181BB40

Data sheet 3RT2518-1BB40 Power contactor, AC-3 16 A, 7.5 kW, 400 V 2 NO + 2 NC 24 V DC 4-pole Size S00 screw terminals product brand name SIRIUS product designation contactor product type designation 3RT25 General technical data size of contactor S00 product extension ● function module for communication No ● auxiliary switch Yes 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 7.3g / 5 ms, 4.7g / 10 ms shock resistance with sine pulse ● at DC 11,4g / 5 ms, 7,3g / 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 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 % Main circuit number of poles for main current circuit 4 number of NO contacts for main contacts 2 3RT25181BB40 Page 1/5 7/4/2022 Subject to change without notice © Copyright Siemens number of NC contacts for main contacts 2 operational current ● at AC-1 up to 690 V — at ambient temperature 40 °C rated value 22 A — at ambient temperature 60 °C rated value 20 A ● at AC-2 at AC-3 at 400 V — per NO contact rated value 16 A — per NC contact rated value 9A minimum cross-section in main circuit at maximum AC-1 rated value 4 mm² operational current ● at 1 current path at DC-1 — at 24 V rated value 20 A — at 110 V rated value 2.1 A — at 220 V rated value 0.8 A — at 440 V rated value 0.6 A ● with 2 current paths in series at DC-1 — at 24 V rated value 20 A — at 110 V rated value 12 A — at 220 V rated value 1.6 A — at 440 V rated value 0.8 A ● at 1 current path at DC-3 at DC-5 — at 24 V per NC contact rated value 20 A — at 24 V per NO contact rated value 20 A — at 110 V per NC contact rated value 0.075 A — at 110 V per NO contact rated value 0.15 A — at 220 V per NC contact rated value 0.375 A — at 220 V per NO contact rated value 0.75 A ● with 2 current paths in series at DC-3 at DC-5 — at 24 V per NC contact rated value 20 A — at 24 V per NO contact rated value 20 A — at 110 V per NC contact rated value 0.175 A — at 110 V per NO contact rated value 0.35 A operating power at AC-2 at AC-3 ● at 230 V per NC contact rated value 2.2 kW ● at 230 V per NO contact rated value 4 kW ● at 400 V per NC contact rated value 4 kW ● at 400 V per NO contact rated value 7.5 kW short-time withstand current in cold operating state up to 40 °C ● limited to 1 s switching at zero current maximum 165 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 5 s switching at zero current maximum 165 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 10 s switching at zero current maximum 128 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 30 s switching at zero current maximum 92 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 60 s switching at zero current maximum 74 A; Use minimum cross-section acc. to AC-1 rated value power loss [W] at AC-3 at 400 V for rated value of the operational current per conductor 2.2 W no-load switching frequency ● at AC 10 000 1/h ● at DC 10 000 1/h operating frequency ● at AC-1 maximum 1 000 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 0.8 ● full-scale value 1.1 inductive power factor with closing power of the coil 3RT25181BB40 Page 2/5 0.8 7/4/2022 Subject to change without notice © Copyright Siemens closing power of magnet coil at DC 4W holding power of magnet coil at DC 4W closing delay ● at DC 30 ... 100 ms opening delay ● at DC arcing time 7 ... 13 ms 10 ... 15 ms Auxiliary circuit number of NC contacts for auxiliary contacts instantaneous contact 0 number of NO contacts for auxiliary contacts instantaneous contact 0 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 operational current at DC-12 ● 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 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 yielded mechanical performance [hp] ● for single-phase AC motor at 230 V rated value 2 hp ● for 3-phase AC motor at 460/480 V rated value 5 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: 35 A (690 V, 100 kA) — with type of assignment 2 required gG: 20A (690V, 100kA) ● for short-circuit protection of the auxiliary switch required fuse gG: 10 A 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 50022 ● side-by-side mounting Yes height 57.5 mm width 45 mm depth 73 mm required spacing ● with side-by-side mounting — forwards 0 mm — backwards 0 mm — upwards 0 mm — downwards 0 mm — at the side 0 mm ● for grounded parts — forwards 3RT25181BB40 Page 3/5 0 mm 7/4/2022 Subject to change without notice © Copyright Siemens — backwards 0 mm — upwards 0 mm — at the side 6 mm — downwards 0 mm ● for live parts — forwards 0 mm — backwards 0 mm — upwards 0 mm — downwards 0 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 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm² — solid or stranded 2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), 2x 4 mm² — finely stranded with core end processing 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) ● at AWG cables for main contacts 2x (20 ... 16), 2x (18 ... 14), 2x 12 type of connectable conductor cross-sections ● for auxiliary contacts — solid 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm² — solid or stranded 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 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 AWG number as coded connectable conductor cross section for main contacts 2x (20 ... 16), 2x (18 ... 14), 2x 12 20 ... 12 Safety related data product function ● mirror contact according to IEC 60947-4-1 Yes; with 3RH29 ● positively driven operation according to IEC 609475-1 No 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 Certificates/ approvals General Product Approval EMC Confirmation Functional Safety/Safety of Machinery Type Examination Certificate Declaration of Conformity Test Certificates Special Test Certificate Marine / Shipping Type Test Certificates/Test Report Marine / Shipping 3RT25181BB40 Page 4/5 7/4/2022 Subject to change without notice © Copyright Siemens other Confirmation Dangerous Good 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=3RT2518-1BB40 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2518-1BB40 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RT2518-1BB40 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RT2518-1BB40&lang=en Characteristic: Tripping characteristics, I²t, Let-through current https://support.industry.siemens.com/cs/ww/en/ps/3RT2518-1BB40/char Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RT2518-1BB40&objecttype=14&gridview=view1 last modified: 3RT25181BB40 Page 5/5 12/1/2021 7/4/2022 Subject to change without notice © Copyright Siemens