Product data sheet 3RT2026-1BB40 CONTACTOR, AC-3, 11KW/400V, 1NO+1NC, DC 24V, 3-POLE, SZ S0 SCREW TERMINAL General technical data: product brand name SIRIUS Size of the contactor S0 Product extension / auxiliary switch Yes Protection class IP / on the front IP20 Protection against electrical shock finger-safe Degree of pollution 3 Installation altitude / at a height over sea level / maximum m 2,000 • during storage °C -55 … +80 • during operating °C -25 … +60 Ambient temperature Shock resistance • at rectangular impulse • at DC 10g / 5 ms, 7,5g / 10 ms • at sine pulse • at DC 15g / 5 ms, 10g / 10 ms Impulse voltage resistance / rated value kV 6 Insulation voltage / rated value V 690 Mechanical operating cycles as operating time • of the contactor / typical 3RT2026-1BB40 Page 1/ 7 10,000,000 07/27/2012 subject to modifications © Copyright Siemens AG 2012 • of the contactor with added auxiliary switch block / typical 10,000,000 • of the contactor with added electronics-compatible auxiliary switch block / typical 5,000,000 Main circuit: Number of NC contacts / for main contacts 0 Number of NO contacts / for main contacts 3 Operating current • at AC-1 / at 400 V • at 40 °C ambient temperature / rated value A 40 • at 60 °C ambient temperature / rated value A 35 • at AC-2 / at 400 V / rated value A 25 • at AC-3 / at 400 V / rated value A 25 • at AC-4 / at 400 V / rated value A 15.5 • at 24 V / rated value A 35 • at 110 V / rated value A 4.5 • at 24 V / rated value A 35 • at 110 V / rated value A 35 • at 24 V / rated value A 35 • at 110 V / rated value A 35 • at 24 V / rated value A 20 • at 110 V / rated value A 2.5 • at 24 V / rated value A 35 • at 110 V / rated value A 15 • at 24 V / rated value A 35 • at 110 V / rated value A 35 • at AC-2 / at 400 V / rated value kW 11 • at AC-3 / at 400 V / rated value kW 11 • at AC-4 / at 400 V / rated value kW 7.5 W 1.6 1/h 5,000 Operating current • with 1 current path / at DC-1 • with 2 current paths in series / at DC-1 • with 3 current paths in series / at DC-1 • with 1 current path / at DC-3 / at DC-5 • with 2 current paths in series / at DC-3 / at DC-5 • with 3 current paths in series / at DC-3 / at DC-5 Service power Active power loss / per conductor / typical Off-load operating frequency • at AC 3RT2026-1BB40 Page 2/ 7 07/27/2012 subject to modifications © Copyright Siemens AG 2012 • at DC 1/h 1,500 Frequency of operation / at AC-1 / according to IEC 60947-6-2 1/h 1,000 Frequency of operation / at AC-2 / according to IEC 60947-6-2 1/h 750 Frequency of operation / at AC-3 / according to IEC 60947-6-2 1/h 750 Frequency of operation / at AC-4 / according to IEC 60947-6-2 1/h 250 Control circuit: Type of voltage / of the controlled supply voltage DC Control supply voltage / 1 • for DC / rated value V 24 Operating range factor control supply voltage rated value / of the magnet coil • for DC 0.8 … 1.1 Pull-in power / of the solenoid / for DC W 5.9 Holding power / of the solenoid / for DC W 5.9 ms 50 … 170 • at DC ms 15 … 17.5 Arcing time ms 10 … 10 Closing delay • at DC Opening delay Auxiliary circuit: Contact reliability / of the auxiliary contacts 1 faulty switching per 100 million (17 V, 1 mA) Number of NC contacts / for auxiliary contacts / instantaneous switching 1 Number of NO contacts / for auxiliary contacts / instantaneous switching 1 Operating current / of the auxiliary contacts • at AC-12 / maximum A 10 • at 230 V A 10 • at 400 V A 3 • at 48 V A 6 • at 60 V A 6 • at 110 V A 3 • at 220 V A 1 • at 24 V A 10 • at 48 V A 2 • at 60 V A 2 • at AC-15 • at DC-12 • at DC-13 3RT2026-1BB40 Page 3/ 7 07/27/2012 subject to modifications © Copyright Siemens AG 2012 • at 110 V A 1 • at 220 V A 0.3 Short-circuit: Design of the fuse link • for short-circuit protection of the auxiliary switch / required fuse gL/gG: 10 A • for short-circuit protection of the main circuit • with type of assignment 1 / required gL/gG LV HRC 3NA, DIAZED 5SB, NEOZED 5SE: 100 A • at type of coordination 2 / required gL/gG LV HRC 3NA, DIAZED 5SB, NEOZED 5SE: 35A 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 Type of mounting screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 Type of fixing/fixation / series installation Yes Width mm 45 Height mm 85 Depth mm 107 Distance, to be maintained, to the ranks assembly / sidewards mm 0 Distance, to be maintained, to earthed part / sidewards mm 6 Connections: Design of the electrical connection • for main current circuit screw-type terminals • for auxiliary and control current circuit screw-type terminals Type of the connectable conductor cross-section • for main contacts • solid 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) • finely stranded • with conductor end processing 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm² • for AWG conductors / for main contacts 2x (16 ... 12), 2x (14 ... 8) • for auxiliary contacts • solid 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) • finely stranded • with conductor end processing 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) • for AWG conductors / for auxiliary contacts 2x (20 ... 16), 2x (18 ... 14) Certificates/approvals: 3RT2026-1BB40 Page 4/ 7 07/27/2012 subject to modifications © Copyright Siemens AG 2012 General Product Approval Declaration of Conformity Test Certificates other Special Test Certificate Type Test Certificates/Test Report Shipping Approval Shipping Approval other Confirmation UL/CSA ratings: yielded mechanical performance (hp) • for single-phase squirrel cage motors • at 110/120 V / rated value hp 2 • at 230 V / rated value hp 3 • at 200/208 V / rated value hp 5 • at 220/230 V / rated value hp 7.5 • at 460/480 V / rated value hp 15 • at 575/600 V / rated value hp 20 • at 480 V / rated value A 21 • at 600 V / rated value A 22 • for three-phase squirrel cage motors Operating current (FLA) / for three-phase squirrel cage motors Contact rating designation / for auxiliary contacts / according to UL A600 / Q600 Sicherheitsrelevante Kenngrößen: B10 value / with high demand rate • according to SN 31920 1,000,000 T1 value / for proof test interval or service life • according to IEC 61508 a 20 • with low demand rate / according to SN 31920 % 40 • with high demand rate / according to SN 31920 % 73 Proportion of dangerous failures Failure rate (FIT value) / with low demand rate 3RT2026-1BB40 Page 5/ 7 07/27/2012 subject to modifications © Copyright Siemens AG 2012 • according to SN 31920 FIT 100 Product function • mirror contact to IEC 60947-4-1 Yes • positively driven operation to IEC 60947-5-1 No Further information: Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/industrial-controls/catalogs Industry Mall (Online ordering system) http://www.siemens.com/industrial-controls/mall Cax online generator: http://www.siemens.com/cax Service&Support (Manuals, Certificates, Characteristics, FAQs,...) http://support.automation.siemens.com/WW/view/en/3RT2026-1BB40/all Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...) http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3RT2026-1BB40 3RT2026-1BB40 Page 6/ 7 07/27/2012 subject to modifications © Copyright Siemens AG 2012 last change: 3RT2026-1BB40 Page 7/ 7 Jul 26, 2012 07/27/2012 subject to modifications © Copyright Siemens AG 2012