3RT25261BW40

Data sheet 3RT2526-1BW40 Power contactor, AC-3 25 A, 11 kW / 400 V 2 NO + 2 NC 48 V DC 4-pole size S0 screw terminals 1 NO + 1 NC integrated product brand name SIRIUS product designation contactor product type designation 3RT25 General technical data size of contactor S0 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 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 % Main circuit number of poles for main current circuit 4 number of NO contacts for main contacts 2 3RT25261BW40 Page 1/6 7/8/2022 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 40 A — at ambient temperature 60 °C rated value 35 A ● at AC-2 at AC-3 at 400 V — per NO contact rated value 25 A — per NC contact rated value 20 A minimum cross-section in main circuit at maximum AC-1 rated value 10 mm² 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 ● 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 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 1.25 A — at 110 V per NO contact rated value 2.5 A — at 220 V per NC contact rated value 0.5 A — at 220 V per NO contact rated value 1A — at 440 V per NC contact rated value 0.045 A — at 440 V per NO contact rated value 0.09 A ● with 2 current paths in series at DC-3 at DC-5 — at 24 V per NC contact rated value 35 A — at 24 V per NO contact rated value 35 A — at 110 V per NC contact rated value 7.5 A — at 110 V per NO contact rated value 15 A — at 220 V per NC contact rated value 1.5 A — at 220 V per NO contact rated value 3A — at 440 V per NC contact rated value 0.135 A — at 440 V per NO contact rated value 0.27 A operating power at AC-2 at AC-3 ● at 230 V per NC contact rated value 5.5 kW ● at 230 V per NO contact rated value 5.5 kW ● at 400 V per NC contact rated value 7.5 kW ● at 400 V per NO contact rated value 11 kW short-time withstand current in cold operating state up to 40 °C ● limited to 1 s switching at zero current maximum 200 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 5 s switching at zero current maximum 200 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 10 s switching at zero current maximum 200 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 30 s switching at zero current maximum 128 A; Use minimum cross-section acc. to AC-1 rated value ● limited to 60 s switching at zero current maximum 106 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 1.6 W no-load switching frequency ● at AC 5 000 1/h ● at DC 1 500 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 3RT25261BW40 Page 2/6 7/8/2022 Subject to change without notice © Copyright Siemens ● rated value 48 V operating range factor control supply voltage rated value of magnet coil at DC ● initial value 0.8 ● full-scale value 1.1 closing power of magnet coil at DC 5.9 W holding power of magnet coil at DC 5.9 W closing delay ● at DC 50 ... 170 ms opening delay ● at DC 15 ... 18 ms arcing time 10 ... 10 ms 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 yielded mechanical performance [hp] ● for single-phase AC motor at 230 V rated value 3 hp ● for 3-phase AC motor at 460/480 V rated value 15 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: 63 A (690 V, 100 kA) — with type of assignment 2 required gG: 35 A (690 V, 50 kA) ● 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 85 mm width 61 mm depth 107 mm 3RT25261BW40 Page 3/6 7/8/2022 Subject to change without notice © Copyright Siemens 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 0 mm — 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 (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) — solid or stranded 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) — finely stranded with core end processing 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm² ● at AWG cables for main contacts 2x (16 ... 12), 2x (14 ... 8) type of connectable conductor cross-sections ● for auxiliary contacts — solid 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) — 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 2x (20 ... 16), 2x (18 ... 14) AWG number as coded connectable conductor cross section for main contacts 16 ... 8 Safety related data product function ● mirror contact according to IEC 60947-4-1 Yes ● 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 3RT25261BW40 Page 4/6 Declaration of Conformity Test Certificates 7/8/2022 Marine / Shipping Subject to change without notice © Copyright Siemens Type Examination Certificate Type Test Certificates/Test Report Marine / Shipping Special Test Certificate other Confirmation other 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=3RT2526-1BW40 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2526-1BW40 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RT2526-1BW40 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RT2526-1BW40&lang=en Characteristic: Tripping characteristics, I²t, Let-through current https://support.industry.siemens.com/cs/ww/en/ps/3RT2526-1BW40/char Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RT2526-1BW40&objecttype=14&gridview=view1 3RT25261BW40 Page 5/6 7/8/2022 Subject to change without notice © Copyright Siemens last modified: 3RT25261BW40 Page 6/6 12/1/2021 7/8/2022 Subject to change without notice © Copyright Siemens