{"product_id":"siemens-3va1225-5gf42-0aa0-sentron-4p-molded-case-circuit-breaker-250a-55ka","title":"Siemens 3VA1225-5GF42-0AA0 SENTRON 4P Molded-Case Circuit Breaker 250A 55kA","description":"\u003cp\u003eThe Siemens 3VA1225-5GF42-0AA0 is a SENTRON 4-pole molded-case circuit breaker from the 3VA1 range (IEC Frame 250), rated 250 A with class M breaking capacity (Icu = 55 kA at 415 V). The TM240 thermal-magnetic overcurrent release provides line protection (LI characteristic) with adjustable overload (Ir = 175-250 A) and instantaneous short-circuit (Ii = 1250-2500 A) tripping. Includes 100% neutral conductor protection and front terminals supplied with nut keeper kit on both ends.\u003c\/p\u003e\n\u003cp\u003eTechnical specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOrder number (MLFB): 3VA1225-5GF42-0AA0\u003c\/li\u003e\n\u003cli\u003eManufacturer: Siemens\u003c\/li\u003e\n\u003cli\u003eProduct line: SENTRON\u003c\/li\u003e\n\u003cli\u003eProduct type: Molded case circuit breaker, line protection\u003c\/li\u003e\n\u003cli\u003eFamily: 3VA1 IEC Frame 250\u003c\/li\u003e\n\u003cli\u003eNumber of poles: 4\u003c\/li\u003e\n\u003cli\u003eRated current (In): 250 A\u003c\/li\u003e\n\u003cli\u003eOvercurrent release: TM240 (thermal-magnetic, ATAM)\u003c\/li\u003e\n\u003cli\u003eProtection function: LI (long-time + instantaneous)\u003c\/li\u003e\n\u003cli\u003eAdjustable overload current (Ir): 175-250 A, I²t characteristic\u003c\/li\u003e\n\u003cli\u003eAdjustable short-circuit release (Ii): 1250-2500 A (5...10 x In)\u003c\/li\u003e\n\u003cli\u003eNeutral conductor protection: 100% (InN = 250 A)\u003c\/li\u003e\n\u003cli\u003eSwitching capacity class: M\u003c\/li\u003e\n\u003cli\u003eInsulation voltage (Ui): 800 V\u003c\/li\u003e\n\u003cli\u003eRated operating voltage: 690 V AC \/ 600 V DC\u003c\/li\u003e\n\u003cli\u003eShort-circuit breaking capacity (Icu): 85 kA @ 240V; 55 kA @ 415V; 36 kA @ 440V; 15 kA @ 500V; 10 kA @ 690V\u003c\/li\u003e\n\u003cli\u003eService breaking capacity (Ics): 85 kA @ 240V; 55 kA @ 415V; 36 kA @ 440V; 10 kA @ 500V; 5 kA @ 690V\u003c\/li\u003e\n\u003cli\u003eShort-circuit making capacity (Icm) at 415 V: 121 kA\u003c\/li\u003e\n\u003cli\u003eOperational current vs. ambient: 250 A up to 50 °C; 243 A @ 55 °C; 230 A @ 65 °C; 223 A @ 70 °C\u003c\/li\u003e\n\u003cli\u003eConnections: Front terminals, nut keeper kit on both ends; silver-plated contact surfaces (top + bottom)\u003c\/li\u003e\n\u003cli\u003eFlat-bar conductor range: 13 x 1 mm to 25 x 8 mm\u003c\/li\u003e\n\u003cli\u003ePower loss: 57 W maximum \/ 19 W per pole (AC, hot operating state)\u003c\/li\u003e\n\u003cli\u003eMechanical service life: 20,000 operating cycles\u003c\/li\u003e\n\u003cli\u003eElectrical endurance (AC-1): 8,000 cycles @ 380\/415 V; 5,400 cycles @ 690 V\u003c\/li\u003e\n\u003cli\u003eIP protection: IP40 (front)\u003c\/li\u003e\n\u003cli\u003eDimensions (H × W × D): 158 × 140 × 70 mm (6.22 × 5.51 × 2.76 in)\u003c\/li\u003e\n\u003cli\u003eNet weight: 2.078 kg\u003c\/li\u003e\n\u003cli\u003eAmbient temperature during operation: -25 to +70 °C\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -40 to +80 °C\u003c\/li\u003e\n\u003cli\u003eApprovals: General Product Approval; EMC; CCS (China Classification Society); Maritime application; environmental confirmations\u003c\/li\u003e\n\u003cli\u003eStandards: IEC 60947-2\u003c\/li\u003e\n\u003cli\u003eEAN\/GTIN: 4042948816004\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFeatures and benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTM240 thermal-magnetic overcurrent release with independent adjustment of overload (Ir) and short-circuit (Ii) trip values\u003c\/li\u003e\n\u003cli\u003e100% neutral conductor protection - suitable for circuits with high harmonic content and 4-pole switching of TN-S systems\u003c\/li\u003e\n\u003cli\u003eSilver-plated front terminals + nut keeper kit on both ends - reliable, low-resistance bar\/cable connections\u003c\/li\u003e\n\u003cli\u003eMotor operator-ready: optional motor drive accessory available for remote switching\u003c\/li\u003e\n\u003cli\u003eWide -25 to +70 °C operating range with documented derating curve\u003c\/li\u003e\n\u003cli\u003eMaritime, EMC and CCS approvals - suitable for shipboard and certified industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMain and feeder protection on 4-wire TN-S distribution systems up to 250 A\u003c\/li\u003e\n\u003cli\u003eIndustrial sub-distribution boards requiring 100% neutral protection\u003c\/li\u003e\n\u003cli\u003eGenerator and transformer outgoing protection in commercial and industrial plants\u003c\/li\u003e\n\u003cli\u003eMaritime and shipboard electrical systems requiring CCS \/ type-tested certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlso known as: Siemens 3VA1225-5GF42-0AA0, SENTRON 3VA1 4P 250A MCCB, Siemens IEC Frame 250 molded-case circuit breaker, 3VA1 TM240 250A 4-pole.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":57865323512072,"sku":"SMN3VA1225-5GF42-0AA0","price":469.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/4351\/3096\/files\/siemens-3va1225-5gf42-0aa0-sentron-4p-molded-case-circuit-breaker-250a-55ka-9184326.jpg?v=1779394059","url":"https:\/\/gabbyelectric.com\/en-us\/products\/siemens-3va1225-5gf42-0aa0-sentron-4p-molded-case-circuit-breaker-250a-55ka","provider":"Gabby Electric","version":"1.0","type":"link"}