Data sheet3RB2056-1FC2 Overload relay 50...200 A for motor protection Size S6, Class 10E Contactor mounting/stand-alone installation Main circuit: busbar connection Auxiliary circuit: Screw terminal Manual-Automatic-Reset product brand nameSIRIUS product designationsolid-state overload relay product type designation3RB2 General technical data size of overload relayS6 size of contactor can be combined company-specificS6 insulation voltage with degree of pollution 3 at AC rated value 1 000 V surge voltage resistance rated value8 kV maximum permissible voltage for safe isolation ● in networks with grounded star point between auxiliary and auxiliary circuit 300 V ● in networks with grounded star point between auxiliary and auxiliary circuit 300 V ● in networks with grounded star point between main and auxiliary circuit 600 V ● in networks with grounded star point between main and auxiliary circuit 690 V shock resistance15g / 11 ms ● acc. to IEC 60068-2-27 15g / 11 ms 3RB2056-1FC2Subject to change without notice Page 1/7 12/10/2020© Copyright Siemensvibration resistance1-6 Hz, 15 mm; 6-500 Hz, 20 m/s²; 10 cycles thermal current200 A recovery time ● after overload trip with automatic reset typical 3 min ● after overload trip with remote-reset 0 min ● after overload trip with manual reset 0 min type of protection according to ATEX directive 2014/34/EU Ex II (2) G [Ex e] [Ex d] [Ex px] ; Ex II (2) D [Ex t] [Ex p] certificate of suitability according to ATEX directive 2014/34/EU PTB 06 ATEX 3001 reference code acc. to IEC 81346-2F Ambient conditions ● installation altitude at height above sea level maximum 2 000 m ambient temperature ● during operation -25 ... +60 °C ● during storage -40 ... +80 °C ● during transport -40 ... +80 °C temperature compensation-25 ... +60 °C relative humidity during operation10 ... 95 % Main circuit number of poles for main current circuit3 adjustable current response value current of the current-dependent overload release 50 ... 200 A operating voltage ● rated value 1 000 V ● at AC-3 rated value maximum 1 000 V operating frequency rated value50 ... 60 Hz operational current rated value200 A operating power ● for 3-phase motors at 400 V at 50 Hz 30 ... 90 kW ● for AC motors at 500 V at 50 Hz 30 ... 132 kW ● for AC motors at 690 V at 50 Hz 55 ... 160 kW Auxiliary circuit design of the auxiliary switchintegrated number of NC contacts for auxiliary contacts1 ● note for contactor disconnection number of NO contacts for auxiliary contacts1 ● note for message "tripped" number of CO contacts ● for auxiliary contacts 0 operational current of auxiliary contacts at AC-15 3RB2056-1FC2Subject to change without notice Page 2/7 12/10/2020© Copyright Siemens● at 24 V 4 A ● at 110 V 4 A ● at 120 V 4 A ● at 125 V 4 A ● at 230 V 3 A operational current of auxiliary contacts at DC-13 ● at 24 V 2 A ● at 60 V 0.55 A ● at 110 V 0.3 A ● at 125 V 0.3 A ● at 220 V 0.11 A Protective and monitoring functions trip classCLASS 10E design of the overload releaseelectronic UL/CSA ratings full-load current (FLA) for 3-phase AC motor ● at 480 V rated value 200 A ● at 600 V rated value 200 A contact rating of auxiliary contacts according to ULB600 / R300 Short-circuit protection design of the fuse link ● for short-circuit protection of the main circuit — with type of coordination 1 required gG: 355 A, Class L: 601 A — with type of assignment 2 required gG: 315 A ● for short-circuit protection of the auxiliary switch required fuse gG: 6 A Installation/ mounting/ dimensions mounting positionany fastening methodContactor mounting/stand-alone installation height119 mm width120 mm depth155 mm Connections/ Terminals product function ● removable terminal for auxiliary and control circuit Yes type of electrical connection ● for main current circuit busbar connection ● for auxiliary and control circuit screw-type terminals arrangement of electrical connectors for main current circuit Top and bottom 3RB2056-1FC2Subject to change without notice Page 3/7 12/10/2020© Copyright Siemens● type of connectable conductor cross-sections for auxiliary contacts — solid 1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²) — solid or stranded 1x (0,5 ... 4 mm²), 2x (0,5 ... 2,5 mm²) — finely stranded with core end processing 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²) ● type of connectable conductor cross-sections at AWG cables for auxiliary contacts 2x (20 ... 14) tightening torque ● for main contacts with screw-type terminals 10 ... 12 N·m ● for auxiliary contacts with screw-type terminals 0.8 ... 1.2 N·m design of the thread of the connection screw ● for main contacts M8 ● of the auxiliary and control contacts M3 Safety related data protection class IP on the front acc. to IEC 60529IP00; IP20 with box terminal/cover touch protection on the front acc. to IEC 60529finger-safe, for vertical contact from the front with box terminal / cover Communication/ Protocol type of voltage supply via input/output link masterNo Electromagnetic compatibility conducted interference ● due to burst acc. to IEC 61000-4-4 2 kV (power ports), 1 kV (signal ports) corresponds to degree of severity 3 ● due to conductor-earth surge acc. to IEC 61000-4-5 2 kV (line to earth) corresponds to degree of severity 3 ● due to conductor-conductor surge acc. to IEC 61000-4-5 1 kV (line to line) corresponds to degree of severity 3 ● due to high-frequency radiation acc. to IEC 61000-4-6 10 V in frequency range 0.15 to 80 MHz, modulation 80 % AM with 1 kHz field-based interference acc. to IEC 61000-4-310 V/m electrostatic discharge acc. to IEC 61000-4-26 kV contact discharge / 8 kV air discharge Display display version ● for switching status Slide switch Certificates/ approvals 3RB2056-1FC2Subject to change without notice Page 4/7 12/10/2020© Copyright SiemensGeneral Product ApprovalEMCFor use in haz- ardous loca- tions Declaration of ConformityTest CertificatesMarine / Shipping MiscellaneousType Test Certific- ates/Test Report Special Test Certi- ficate Marine / Shippingother MiscellaneousConfirmation 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=3RB2056-1FC2 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RB2056-1FC2 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RB2056-1FC2 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RB2056-1FC2&lang=en Characteristic: Tripping characteristics, I²t, Let-through current https://support.industry.siemens.com/cs/ww/en/ps/3RB2056-1FC2/char Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RB2056-1FC2&objecttype=14&gridview=view1 3RB2056-1FC2Subject to change without notice Page 5/ 12/10/2020© Copyright Siemens95969798 120 118.5 8.5 10 95 104 3737 17 9 154.6 47.5 149.6 79.149.1 51.9 3 7682 6.5 38 47.5 9512.5 7.2 3RB2056-1FC2Subject to change without notice Page 6/7 12/10/2020© Copyright SiemensTESTRESET 97 NO 98 NO 96 NC 6/T3 4/T2 -F 2/T1 95 NC last modified: 12/09/2020 3RB2056-1FC2Subject to change without notice Page 7/7 12/10/2020© Copyright SiemensNext >