3VA5145-4EC31-1AA0

Data sheet 3VA5145-4EC31-1AA0 circuit breaker 3VA5 UL Frame 125 breaking capacity class S 25 kA @ 480 V 3pole, line protection TM230, FTAM, In=45 A overload protection Ir=45 A permanently set short-circuit protection Ii=5...10 x In UL 489 SB (naval), 50° C without connection Model product brand name SENTRON product designation Molded-case circuit breaker product designation / according to UL file SEAM design of the product System protection design of the load switch / according to UL 489 / Heating, Air Conditioning, and Refrigeration circuit breaker (HACR Type) Yes design of the load switch / according to UL 489 / High-IntensityDischarge circuit breaker (HID Type) Yes design of the load switch / according to UL 489 / Switching Duty circuit breaker (SWD Type) No design of the overcurrent release TM230 protection function of the overcurrent release LI number of poles 3 General technical data operating voltage / at AC / rated value 690 V power loss [W] / maximum 11.4 W power loss [W] / for rated value of the current / at AC / in hot operating state / per pole 3.8 W mechanical service life (operating cycles) / typical 20 000 electrical endurance (operating cycles) / at AC-1 / at 380/415 V 8 000 electrical endurance (operating cycles) / at AC-1 / at 690 V 4 000 electrical endurance (operating cycles) / at 480 V 8 000 electrical endurance (operating cycles) / at 600 V 4 000 product feature / for neutral conductors / upgradable/retrofittable / short-circuit and overload proof No ground-fault monitoring version without product function ● communication function No ● other measurement function No Net Weight 0.88 kg Current marking / according to UL 489 / 100%-rated breaker No operational current ● at 40 °C 45 A ● at 45 °C 44 A ● at 50 °C 44 A ● at 55 °C 43 A ● at 60 °C 42 A ● at 65 °C 42 A ● at 70 °C 41 A 3VA51454EC311AA0 Page 1/5 5/2/2024 Subject to change without notice © Copyright Siemens Switching capacity according to IEC 60947 switching capacity class of the circuit breaker S design of short-circuit protection For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter Switching capacity according to UL 489 current breaking capacity ● at 240 V 65 kA ● at 480 V 25 kA ● at 600 Y/347 V 14 kA Adjustable parameters adjustable response value setting current (Ir) / of the L-trip / with I2t characteristic ● minimum 45 A ● maximum 45 A adjustable response value delay time (tr) / for L-tripping / with I2t characteristic ● minimum 1s ● maximum 1s adjustable response value setting current (Ii) / for I-tripping ● minimum 225 A ● maximum 450 A adjustable setting current (InN) / for N-tripping ● minimum 0A ● maximum 0A product function / grounding protection No Mechanical Design product component ● undervoltage release No ● voltage trigger No ● trip indicator No height [in] 5.51 in height 140 mm width [in] 3 in width 76.2 mm depth [in] 3.01 in depth 76.5 mm Connections arrangement of electrical connectors / for main current circuit Without connection type of electrical connection / for main current circuit Without Auxiliary circuit number of CO contacts / for auxiliary contacts 0 Accessories product extension / optional / motor drive Yes Environmental conditions protection class IP / on the front IP40 ambient temperature ● during operation / minimum -25 °C ● during operation / maximum 70 °C ● during storage / minimum -40 °C ● during storage / maximum 80 °C Approvals / Certificates General Product Approval Confirmation General Product Approval 3VA51454EC311AA0 Page 2/5 EMV Test Certificates 5/2/2024 Marine / Shipping Subject to change without notice © Copyright Siemens Miscellaneous Type Test Certificates/Test Report other Miscellaneous Environment Confirmation Miscellaneous 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=3VA5145-4EC31-1AA0 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3VA5145-4EC31-1AA0 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...) http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3VA5145-4EC31-1AA0 CAx-Online-Generator http://www.siemens.com/cax Tender specifications http://www.siemens.com/specifications 3VA51454EC311AA0 Page 3/5 5/2/2024 Subject to change without notice © Copyright Siemens 5 3 1 -Q I>> 6 I>> 4 2 I>> CB last modified: 3VA51454EC311AA0 Page 4/5 1 2 3 4 5 6 3/11/2024 5/2/2024 Subject to change without notice © Copyright Siemens 3VA51454EC311AA0 Page 5/5 5/2/2024 Subject to change without notice © Copyright Siemens