3RT25261XB400LA2

Data sheet 3RT2526-1XB40-0LA2 Power contactor, AC-3 25 A, 11 kW / 400 V 2 NO + 2 NC 24 V DC 4-pole size S0 screw terminals 1 NO + 1 NC integrated Traction contactor, integrated varistor product brand name SIRIUS product designation Contactor design of the product With extended operating range 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 acc. 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 acc. to IEC 81346-2 Q 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 -40 ... +70 °C ● ambient temperature during storage -55 ... +80 °C Main circuit number of poles for main current circuit 4 number of NO contacts for main contacts 2 number of NC contacts for main contacts 2 3RT25261XB400LA2 Page 1/2 1.21.2021 Subject to change without notice © Copyright Siemens ● operating voltage at AC-3 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-2 at 400 V rated value 20 A ● at AC-3 — at 400 V 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 operational current ● 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 ● 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 operating power ● at AC-2 at 400 V rated value 7.5 kW ● at AC-3 — at 230 V rated value 5.5 kW — at 400 V rated value 7.5 kW no-load switching frequency ● at DC 1 500 1/h operating frequency ● at AC-1 maximum 750 1/h ● at AC-2 maximum 750 1/h ● at AC-3 maximum 750 1/h ● at AC-4 maximum 200 1/h Control circuit/ Control type of voltage DC 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 inrush current peak 3A 3RT25261XB400LA2 Page 2/3 1.21.2021 Subject to change without notice © Copyright Siemens duration of inrush current peak 30 µs locked-rotor current mean value 0.3 A locked-rotor current peak 0.52 A duration of locked-rotor current 180 ms holding current mean value 45 mA closing power of magnet coil at DC 6.7 W holding power of magnet coil at DC 1.4 W closing delay ● at DC 50 ... 170 ms opening delay ● at DC 15 ... 17.5 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 number of NO contacts for auxiliary contacts ● instantaneous contact operational current at AC-12 maximum 1 1 1 1 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 110/120 V rated value 2 hp — at 230 V rated value 3 hp contact rating of auxiliary contacts according to UL A600 / Q600 Short-circuit protection product function short circuit protection No 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 gG: 10 A (500 V, 1 kA) Installation/ mounting/ dimensions mounting position 3RT25261XB400LA2 Page 3/4 +/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface 1.21.2021 Subject to change without notice © Copyright Siemens fastening method ● side-by-side mounting screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 Yes height 85 mm width 61 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 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 ● AWG number as coded connectable conductor cross section for auxiliary contacts 20 ... 14 Safety related data 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 Communication/ Protocol product function bus communication No Certificates/ approvals General Product Approval 3RT25261XB400LA2 Page 4/5 EMC 1.21.2021 Declaration of Conformity Subject to change without notice © Copyright Siemens Miscellaneous Declaration of Conformity Test Certificates Type Test Certificates/Test Report Marine / Shipping Marine / Shipping Special Test Certificate other Confirmation Railway Vibration and Shock Railway Special Test Certificate 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=3RT2526-1XB40-0LA2 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2526-1XB40-0LA2 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RT2526-1XB40-0LA2 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RT2526-1XB40-0LA2&lang=en Characteristic: Tripping characteristics, I²t, Let-through current https://support.industry.siemens.com/cs/ww/en/ps/3RT2526-1XB40-0LA2/char Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RT2526-1XB40-0LA2&objecttype=14&gridview=view1 3RT25261XB400LA2 Page 5/6 1.21.2021 Subject to change without notice © Copyright Siemens 3RT25261XB400LA2 Page 6/7 1.21.2021 Subject to change without notice © Copyright Siemens 3RT25261XB400LA2 Page 7/8 1.21.2021 Subject to change without notice © Copyright Siemens last modified: 3RT25261XB400LA2 Page 8/8 12/15/2020 1.21.2021 Subject to change without notice © Copyright Siemens