3RU21261HC0

Data sheet 3RU2126-1HC0 Overload relay 5.5...8.0 A Thermal For motor protection Size S0, Class 10 Contactor mounting Main circuit: Spring-type terminal Auxiliary circuit: spring-type terminal Manual-Automatic-Reset product brand name SIRIUS product designation thermal overload relay product type designation 3RU2 General technical data size of overload relay S0 size of contactor can be combined company-specific S0 power loss [W] for rated value of the current at AC in hot operating state 6.6 W ● per pole 2.2 W insulation voltage with degree of pollution 3 at AC rated value 690 V surge voltage resistance rated value 6 kV maximum permissible voltage for safe isolation in networks with grounded star point ● between auxiliary and auxiliary circuit 440 V ● between auxiliary and auxiliary circuit 440 V ● between main and auxiliary circuit 440 V ● between main and auxiliary circuit 440 V shock resistance acc. to IEC 60068-2-27 8g / 11 ms type of protection according to ATEX directive 2014/34/EU Ex II (2) GD certificate of suitability according to ATEX directive 2014/34/EU DMT 98 ATEX G 001 reference code acc. to IEC 81346-2 F 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 ● ambient temperature during transport -55 ... +80 °C temperature compensation -40 ... +60 °C relative humidity during operation 10 ... 95 % Main circuit number of poles for main current circuit 3 adjustable current response value current of the current-dependent overload release 5.5 ... 8 A ● operating voltage rated value 690 V ● operating voltage at AC-3 rated value maximum 690 V 3RU21261HC0 Page 1/2 1.20.2021 Subject to change without notice © Copyright Siemens operating frequency rated value 50 ... 60 Hz operational current rated value 8A operating power at AC-3 ● at 400 V rated value 3 kW ● at 500 V rated value 4 kW ● at 690 V rated value 5.5 kW Auxiliary circuit design of the auxiliary switch integrated number of NC contacts for auxiliary contacts 1 ● note number of NO contacts for auxiliary contacts ● note number of CO contacts for auxiliary contacts for contactor disconnection 1 for message "Tripped" 0 operational current of auxiliary contacts at AC-15 ● at 24 V 3A ● at 110 V 3A ● at 120 V 3A ● at 125 V 3A ● at 230 V 2A ● at 400 V 1A operational current of auxiliary contacts at DC-13 ● at 24 V 2A ● at 60 V 0.3 A ● at 110 V 0.22 A ● at 125 V 0.22 A ● at 220 V 0.11 A contact rating of auxiliary contacts according to UL B600 / R300 Protective and monitoring functions trip class CLASS 10 design of the overload release thermal UL/CSA ratings full-load current (FLA) for 3-phase AC motor ● at 480 V rated value 8A ● at 600 V rated value 8A Short-circuit protection design of the fuse link ● for short-circuit protection of the auxiliary switch required fuse gG: 6 A, quick: 10 A Installation/ mounting/ dimensions mounting position any fastening method Contactor mounting height 102 mm width 45 mm depth 84 mm Connections/ Terminals product function removable terminal for auxiliary and control circuit No type of electrical connection ● for main current circuit spring-loaded terminals ● for auxiliary and control circuit spring-loaded terminals arrangement of electrical connectors for main current circuit Top and bottom type of connectable conductor cross-sections ● for main contacts — solid or stranded 1x (1 ... 10 mm²) — finely stranded with core end processing 1x (1 ... 6 mm²) — finely stranded without core end processing 1x (1 ... 6 mm²) ● at AWG cables for main contacts 3RU21261HC0 Page 2/3 1x (18 ... 8) 1.20.2021 Subject to change without notice © Copyright Siemens 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), 2x (0.75 ... 2.5 mm²) — finely stranded without core end processing 2x (0.5 ... 1.5 mm²) ● at AWG cables for auxiliary contacts 2x (20 ... 14) design of screwdriver shaft Diameter 3 mm size of the screwdriver tip 3,0 x 0,5 mm Safety related data failure rate [FIT] with low demand rate acc. to SN 31920 50 FIT MTTF with high demand rate 2 280 y 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 Display display version for switching status Slide switch Certificates/ approvals General Product Approval Declaration of Conformity Miscellaneous For use in hazardous locations Test Certificates Type Test Certificates/Test Report Marine / Shipping Special Test Certificate Marine / Shipping other Confirmation Railway Vibration and Shock 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=3RU2126-1HC0 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RU2126-1HC0 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RU2126-1HC0 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RU2126-1HC0&lang=en 3RU21261HC0 Page 3/4 1.20.2021 Subject to change without notice © Copyright Siemens Characteristic: Tripping characteristics, I²t, Let-through current https://support.industry.siemens.com/cs/ww/en/ps/3RU2126-1HC0/char Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RU2126-1HC0&objecttype=14&gridview=view1 3RU21261HC0 Page 4/5 1.20.2021 Subject to change without notice © Copyright Siemens 3RU21261HC0 Page 5/6 1.20.2021 Subject to change without notice © Copyright Siemens last modified: 3RU21261HC0 Page 6/6 12/15/2020 1.20.2021 Subject to change without notice © Copyright Siemens