5SY4120-5

Data sheet 5SY4120-5 Miniature circuit breaker 230/400 V 10kA, 1-pole, A, 20A, D=70 mm Model product brand name SENTRON product designation Miniature circuit breaker General technical data number of poles 1 design of pole 1P tripping characteristic class A mechanical service life (operating cycles) typical 10 000 overvoltage category III degree of pollution 3 Voltage type of voltage of the operating voltage AC insulation voltage (Ui) ● with single-phase operation at AC rated value 440 V ● with multi-phase operation at AC rated value 440 V supply voltage with single-phase operation at AC rated value 230 V operational current ● at 40 °C rated value 18.78 A ● at 50 °C rated value 17.48 A ● at 55 °C rated value 16.8 A ● at 60 °C rated value 16.08 A ● at AC rated value 20 A Supply voltage supply voltage ● at AC 400 V ● at DC rated value 60 V value range of the supply voltage frequency 50/60 Hz operating voltage at DC rated value maximum 72 V Protection class protection class IP IP20, with connected conductors Breaking Capacity switching capacity current ● at DC according to IEC 60947-2 rated value 15 kA ● according to EN 60898 rated value 10 kA ● according to IEC 60947-2 rated value 20 kA Dissipation power loss [W] for rated value of the current at AC in hot operating state per pole 2.5 W suitability for operation Infrastructure / Industry Product details 5SY41205 Page 1/6 5/15/2024 Subject to change without notice © Copyright Siemens product component ● combined terminal top Yes ● combined terminal bottom Yes ● neutral conductor switching No product feature ● properties for main switches in accordance with EN 60204-1 Yes ● halogen-free Yes ● sealable Yes ● silicon-free Yes product extension installable supplementary devices Yes Product function set values setting current (Ii) for I-tripping 2,5 reference value setting current (Ii) for I-tripping x In Short circuit short-circuit current breaking capacity (Icn) ● at AC according to UL 1077 and CSA C22.2 No.235 5 kA Connections connectable conductor cross-section solid ● minimum 0.75 mm² ● maximum 35 mm² connectable conductor cross-section stranded ● minimum 0.75 mm² ● maximum 35 mm² connectable conductor cross-section finely stranded with core end processing ● minimum 0.75 mm² ● maximum 25 mm² AWG number as coded connectable conductor cross section ● minimum 18 ● maximum 4 tightening torque [lbf·in] with screw-type terminals ● minimum 22 lbf·in ● maximum 31 lbf·in tightening torque with screw-type terminals ● minimum 2.5 N·m ● maximum 3.5 N·m position of power supply cord Any Mechanical Design height 90 mm width 18 mm depth 76 mm installation depth 70 mm number of modular width units 1 fastening method Quick assembly system mounting position any net weight 166 g Environmental conditions influence of the surrounding temperature max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C standard IEC / EN 60898-1, IEC / EN 60947-2 / UL1077 vibration resistance according to IEC 60068-2-6 ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz ambient temperature during operation ● minimum -40 °C ● maximum 70 °C ambient temperature during storage ● minimum -40 °C ● maximum 75 °C number of test cycles for environmental testing according to IEC 60068-2-30 6 Environmental footprint Environmental Product Declaration(EPD) 5SY41205 Page 2/6 Yes 5/15/2024 Subject to change without notice © Copyright Siemens Global Warming Potential [CO2 eq] total 13.3 kg Global Warming Potential [CO2 eq] during manufacturing 0.713 kg Global Warming Potential [CO2 eq] during operation 12.7 kg Global Warming Potential [CO2 eq] after end of life -0.062 kg Approvals Certificates General Product Approval Confirmation General Product Approval Test Certificates Miscellaneous Marine / Shipping Miscellaneous other Confirmation Special Test Certificate Marine / Shipping Miscellaneous Railway Miscellaneous Special Test Certificate Environment Confirmation Environment Environmental Confirmations Environmental Confirmations Further information Information on the packaging https://support.industry.siemens.com/cs/ww/en/view/109813875 Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/lowvoltage/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=5SY4120-5 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/5SY4120-5 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...) http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SY4120-5 CAx-Online-Generator http://www.siemens.com/cax Tender specifications http://www.siemens.com/specifications 5SY41205 Page 3/6 5/15/2024 Subject to change without notice © Copyright Siemens 6,2 70,2 1 89,8 17,6 2 -F 5SY41205 Page 4/6 5/15/2024 Subject to change without notice © Copyright Siemens CB 1 last modified: 5SY41205 Page 5/6 2 3/12/2024 5/15/2024 Subject to change without notice © Copyright Siemens 5SY41205 Page 6/6 5/15/2024 Subject to change without notice © Copyright Siemens