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Interruttore automatico in aria MOW-1 - Da 630 A a 6300 A, Icw fino a 100 kA per 1 s
MOW-1 aerius circuitus interruptor, 630A usque ad 6300A, Icu usque ad 120kA, Icw usque ad 100kA/1s. Extrahibilis et fixus. Electronicus trip cum selectivitate, mensura et Modbus. IEC 60947-2.
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Interruttore automatico in aria MOW-1 - Da 630 A a 6300 A, Icw fino a 100 kA per 1 s
MOW-1 est principalis introductor. Stat in summo installationis voltatis infimae, statim post transformatoris, ubi gradus defectus maximus est et ubi consequentiae falsae specificatio sunt maximae. Comprehendit amplitudinem 630A usque ad 6300A in versionibus fixis et extrahibilibus, cum electronicis unitatibus trip designatis pro selectivitate potius quam tantum pro protectione.
QUID FACIT ACB QUOD MCCB NON POTEST
Resistentia brevi tempore. MCCB designatur ut defectum quam celerrime eliminet. ACB designatur ut defectus currentem per tempus definitum sustineat — usque ad 100 kA per unum secundum — sine disiunctione, ut dispositivum inferius proximum defectui primum eum eliminare possit. Hoc est fundamentum totius selectivitatis in magna installatione, et ratio cur introductor principalis sit ACB, non magnus MCCB.
CUR SELECTIVITAS SIT RES COMMERCIALIS, NON TECHNICA
Sine selectivitate, defectus in uno parvo conductore introductorem principalem excitat et totam installationem interrumpit. In aedificio hospitalis, centro datorum, hospitio, fabrica cementi aut in opere desalinisationis, haec est differentia inter incidentiam quae unum tantum circuitum afficit et incidentiam quae totum locum afficit. Clientes qui semel eam experiuntur semper selectivitatem postulant. Fabricatores tabularum qui studium discriminationis idoneum demonstrare possunt hos clientes vincunt.
EXTRAHIBILIS AUT FIXUS
Drawout allows the incomer to be racked out for inspection, testing, and replacement without dismantling busbar connections—which, on a main incomer, means a maintenance outage measured in hours rather than days. Fixed is cheaper and appropriate where the installation can be shut down and where the client has no maintenance regime that requires it. In our experience, most projects that specify fixed to save cost regret it at the first major maintenance shutdown.
THE HIGH-AMBIENT POINT AGAIN, AND IT MATTERS MORE HERE
An ACB carries the full site load continuously. In a Gulf switchroom at 50–55 °C against an IEC reference of +40 °C, the derating on a 4000 A incomer is a large absolute number. Sizing the incomer on its nameplate rating in a hot switchroom is one of the more expensive design errors available, because the fix is a new breaker and new busbar work.
SUPPLIED WITH THE ENGINEERING
Send the single-line diagram, transformer rating and impedance, prospective fault level, downstream device schedule and switchroom ambient. We return the frame, the trip unit, the settings, the discrimination check against downstream devices, and the derated continuous rating for the actual temperature.
Applicationes principali
- Main incomer at the LV side of a distribution transformer — the core application.
- Bus coupler in dual-transformer and dual-incomer arrangements.
- Main incomer on GGD, GCS, GCK and MNS switchgear lineups.
- Sub-main feeders to large downstream motor control centres and distribution boards.
- Generator incomer and changeover schemes on standby and prime power installations.
- Large capacitor bank main protection.
- Industrial main switchboards: cement, steel, mining, paper, sugar, petrochemical.
- Building main switchboards in towers, hospitals, airports, malls and data centres.
- Desalination and water treatment plant main distribution.
- Interruptores principales de colecta de baja tensión para plantas fotovoltaicas solares.
ESQUEMAS TÍPICOS
Entrada única con alimentadores de salida; dos entradas con acoplador de barra y enclavamiento mecánico o eléctrico, de modo que solo dos de los tres interruptores puedan cerrarse simultáneamente; transferencia automática principal-acoplamiento-principal con cambio a generador y reducción de carga ante subtensión.
WHY BUYERS SPECIFY IT
Porque es el dispositivo cuya falla u operación incorrecta detiene toda la instalación. En cualquier proyecto donde la continuidad del suministro tenga un valor declarado —hospitales, centros de datos, plantas de proceso continuo— se examinan minuciosamente la especificación del interruptor de entrada y el estudio de coordinación, y una oferta que presente ambos adecuadamente destaca claramente.
Congruentia Regionalis
- Medio Oriente: la reducción de capacidad por temperatura ambiente de sala de interruptores de 50–55 °C es crítica para un dispositivo que soporta permanentemente la carga total del sitio. Arabia Saudita opera a 60 Hz, lo cual debe verificarse explícitamente. Las pruebas de aceptación en fábrica con testigos son estándar en proyectos de SEC y otras empresas eléctricas comparables; se brinda apoyo para presentaciones ante SASO SABER, DEWA, KAHRAMAA, MEW y DCRP de Omán.
- Africa: grid instability makes under-voltage protection, phase-failure protection and generator changeover schemes a routine requirement rather than an option. SONCAP under HS 8536 for Nigeria, KEBS PVoC for Kenya.
- Russia and CIS: 380 V / 220 V, EAC under TR CU 004/2011 and TR CU 020/2011, cold-start considerations in partly heated switchrooms.
- Eastern Europe: 400 V, CE under LVD 2014/35/EU and EMC 2014/30/EU, with a formal discrimination study commonly required as part of the design submission.
Non idoneus pro
Small feeder protection, where an MCCB is the correct and far cheaper device. Medium voltage circuits, which require MV switchgear. Frequent switching duty of motors, which requires a contactor.
TECHNICAL DATA - MOW-1 Air Circuit Breaker
Compliance: IEC 60947-1, IEC 60947-2, GB 14048.2
| CATEGORIA | Item | Details Parametri |
| RATINGS GENERALES | Tensio nominalis operativa (Ue) | 400 V / 415 V / 690 V AC |
| Tensio nominalis isolationis (Ui) | 1000 V | |
| Tension de tenue aux chocs nominale (Uimp) | 12 kV | |
| Frequentia censita | 50 Hz / 60 Hz | |
| Numerus polorum | 3P / 4P | |
| Utilisation category | B | |
| Suitability for isolation | yes, per IEC 60947-2 | |
| Construction | fixed or drawout | |
| FRAME SIZES AND CURRENT RATINGS | Frame 2000 A | 630 / 800 / 1000 / 1250 / 1600 / 2000 A |
| Frame 3200 A | 2000 / 2500 / 2900 / 3200 A | |
| Frame 4000 A | 3200 / 3600 / 4000 A | |
| Frame 6300 A | 4000 / 5000 / 6300 A | |
| SHORT-CIRCUIT PERFORMANCE | Icu at 415 V - Frame 2000 A | 65 / 80 kA |
| Icu - Frame 3200 A | 80 / 100 kA | |
| Icu - Frame 4000 A | 100 kA | |
| Icu - Frame 6300 A | 100 / 120 kA | |
| Capacitas interruptiva nominalis pro circuitu curtocircuitus in usu (Ics) | 100% of Icu | |
| Courant de tenue en court-circuit nominal (Icw) | 65 / 80 / 100 kA for 1 s | |
| Nota | Icw is the parameter that enables time-graded selectivity; it is why a main incomer is an ACB instead of a large MCCB | |
| Unitas electronica trip | Functiones protectionis | long-time (L), short-time (S), instantaneous (I), earth fault (G), with adjustable settings and time delays |
| Selectivity | time-graded short-time delay for discrimination with downstream devices; zone selective interlocking (ZSI) available | |
| Additional protection | under-voltage, over-voltage, phase unbalance, phase sequence, reverse power (option dependent) | |
| Metriatio | current, voltage, power, power factor, energy, harmonics | |
| Display | LCD with setting readout and trip cause indication | |
| Communicatio | Modbus RS-485 standardis; Profibus et Profinet optionales | |
| Memoria | memoria causae interruptionis et registrum eventuum | |
| Potentia minuenda | Temperatură ambient de referință | +40 °C conform IEC |
| Reducere nominală pentru temperaturi ambiante ridicate | tabulae reductionis praebentur pro singulis structuris pro altiori temperatura ambienti; ad 55 °C temperaturam cellulae, currentis continuus utilis materialiter minuitur | |
| Reducctio pro altitudine | applicabile super 2000 m | |
| Commendatio | dimensionare introductorem secundum valorem reductum pro vera temperatura cellulae interruptorum, et hanc quantitatem in submissione declarare | |
| Mechanismo Operandi | Typus | mechanismus moliens energiam immagazzinatam |
| Praecipiens | manus manubrium et motoris replectio | |
| Claudere et aperire | loco pulsatorius, remotus electricus, et remotus communicatio ubi aptatus | |
| Tempus claudendi | minus quam 80 ms typice | |
| Tempus interrumpendi | minus quam 40 ms typice | |
| Tensio regulae nominalis | 230 V AC, 110 V AC, 24 V DC, 110 V DC, 220 V DC | |
| Patientia | Mechanicum | 10 000 ad 20 000 operationes secundum cadrum |
| Electricum | 5 000 ad 10 000 operationes secundum cadrum | |
| Mechanismus Extrahibilis | tres positiones – Conectatus, Test, Isolatus – cum indicatione positionis et possibilitate claudendi in positione Isolatus | |
| Interclausurae et securitas | Interbloccus systematis | interbloccus mechanicus et electricus inter introductores et coniunctores bus |
| Racking interlock | non potest extrahi dum interruptor est clausus | |
| Interconnexio ostii | interbloccus ostii et dispositio pro claudendo | |
| Clausurae tutelares | super contactus primarios in versionibus extractilibus | |
| Conexione ad terra | contactus terrae specialis qui se connectit antequam contactus potentiae | |
| Accessoria | Relevatio et bobina | relevatio per trip shunt, bobina clusionis, relevatio sub-tensionis, unitas motoris pro incaricando |
| CONTACTES | contactus auxiliaries, contactus paratus ad claudendum, contactus a mola impellendus | |
| Accessoria mechanica | counter operativus mechanicus, clavis clausurae, praeservatio contra insertionem erronem | |
| Mounting Accessories | manubrium racking, obturatoria cellulae, tegmina terminalia et barrae connexionis | |
| Environment | Ambiens Temperature | -25 °C ad +70 °C conservatio; -5 °C ad +55 °C operatio cum reductione |
| Humiditas relativa | usque ad 95% | |
| Gradus Contaminations | 3 | |
| Altitudo | usque ad 2000 m sine reductione | |
| Installatio | intra aedem, in confectione verificata |
TESTING - OMNE UNITAS
Dielectric withstand and insulation resistance; main circuit resistance;
operatio mechanica mechanismi energiam immagazinantis; verificatio unitatis trip in
punctis characteristicis definitis; functio contactuum auxiliarium et alarmis; extrahibilis
verificatio operationis triplex et interlock; verificatio tabellae nominis
Auxilium certificationis
Raportus de examinatio typi ad IEC 60947-2, characteristicas de disiunctio et curvas de transmissio,
tabulas de selectivitate contra MCCB infra, et declarationes pro EAC
(TR CU 004/2011 et TR CU 020/2011), CE (LVD et EMC), SASO SABER, SONCAP
(HS 8536) et KEBS PVoC
DISPOSITIVA PROTECTIONIS SPECIFICATA PRO TABULA, NON VENDITA EX MAGAZINO
Un interruptor automaticus est solum rectus in contextu tabulae, in qua ponitur — nivellus defectus in illo puncto, calefactura quam protegit, dispositivum quod est supra ipsum, et ambientia intra cellam. Nos supplemus dispositivum una cum opere selectionis, quia interruptor male specificatus invenitur dum committitur, coram cliente.
1. SUPPORTUM PRO SELECTIONE ET COORDINATIONE
Mitte nobis diagramma unius lineae, nivellum defectus prospectivum, et schedulam alimentatorum. Nos remittimus magnitudines corporum, capacitates interrumpendi, genera unitatum trip, et suggestiones pro reglamentis, cum discriminatio verificata inter dispositiva superiora et inferiora. Protectio per cascadem et subsidium aestimatur ubi legitime pecuniam salvat.
2. DERATIO AMBIENTIS ET ALTITUDINIS
Cellae interruptorum in Golfo operantur ad 50–55 °C, multo supra referentiam IEC ad +40 °C. Nos supplemus tabulas derationis et indicamus corrigendam valorem currentis pro temperatura vera cellae tuae, ut tabula non interrumpat temere in prima aestate. Correctio pro altitudine praebetur ubi necessaria.
3. FURNITURA CONFORME AD MONTAGIUM
Apparatus cum apto apparatus montandi, tegminibus terminalium, barriis phasium, baculis connexionis et contactibus auxiliaribus pro typu armarii — incluis variantes in cistulis montatas pro GCK, GCS et MNS. Unus numerus partis, omnia congruunt.
4. RESERVATIO ET PROGRAMMATIO PROIECTUS
Magnitudines structurae et accessorii in reservatio tenentur ad vocatum distributoris. Quantitates pro proiecto programmantur secundum tuum programmam montagii, ut apparata adveniant simul cum constructione armarii, non tres hebdomadas post eam.
5. FABRICATORIS ORIGINARII ET ETIQUETTA PRIVATA
Notatio marcae et impachatio etiquettae privatae pro distributoribus qui suam seriem elaborant, cum protectione territorii et pacto de non divulgatione (NDA).
6. CERTIFICATIO ET DOCUMENTATIO EXAMINIS
Rapportus examinis typici secundum IEC 60947-2 pro interruptoribus et secundum IEC 61869-2 pro transformatoribus currentis, certificata examinum routine, curvae characteristicae et curvae transmittendi, et declarationes quae requiruntur pro submissionibus EAC, CE, SASO SABER, SONCAP et KEBS PVoC.
7. POST-VENDITIONEM
responso technico in 24 horas. Unitates de substitutione, contactos auxiliari e bobinas tenite disponibile. Garantia de 12 menses ab initio operationis vel 18 menses ab expeditione.
8. CONDITIO COMMERCIALIS
FOB, CFR, CIF, DDP, Ex-Works. Caricamento consolidato con armarios e componentes. Assurantia commercialis, T/T, L/C. Campiones pro approbatione de typo ante productione massiva.
CONTROLLO DE QUALITATE — OMNE DISPOSITIVO PROBATUM, OMNE PARTITA DOCUMENTATUM
Dispositivos de protectione sunt ultima linea inter defectum e incendium, et sunt etiam articulos plus falsificatos in nostros mercatus. Omne unitate es probatum routine e omne partita es tractabile ad suam probatione de typo, ita certificatum in tuo submittal realiter correspondet ad dispositivo in tabula.
Experimenta typorum
Apparatus sunt ad normam pertinentem probata - IEC 60947-2 pro interruptoribus circuitus, IEC 61869-2 pro transformatoribus currentis - quae normae continent currentem nominalem et incrementum temperaturae, capacitatem nominalem interrumpendi et coniungendi, resistentiam ad tempus breve, proprietates dielectricas, durabilitatem mechanicam et electricam, et pro transformatoribus instrumentorum classificatio accuratae et functio oneris. Rapportus de probatione typi cum plico certificationis suppeditantur.
PROBATIO ROUTINARIA - 100% PRODUCTIONIS
1. Probatio resistendi dielectrici ad tensionem nominalem probationis, et resistentia insulationis mensurata et annotata.
2. Resistentia circuitus principalis mensurata contra limitem specificatum - primus indicator iuncturae internae deterioris.
3. Operatio mechanica - aperire, claudere, et restituere - verificata per operationes repetitas.
4. Verificatio unitatis disiunctionis - thermica et magnetica, aut electronica - ad characteristicam disiunctionis in punctis probationis definitis.
5. Functio contactuum auxiliarium et allarum verificata.
6. Pro transformatoribus currentibus: verificatio rationis et polaritatis, resistentia aviorum, accuratio ad puncta oneris definita, et characteristicum excitatoriam ubi applicabilis.
7. Data tabulae nominis verificata contra specificatum ordinatum — inspectio quae detegit dimensionem incertam corporis antequam ad clientem perveniat.
Tractus retrogradus
8. Omnis unitas numerum seriale gerit qui ad suum coetum productionis, acta testis routine, et referentiam testis typi connectitur.
9. Inspectio componentium advenientium cum traciabilitate certificati supplicantis.
10. Inspectio in processu ad gradus sub-assembly et finalis assembly.
Quod Accipis
Certificatum testis routine, relatus testis typi, curvae characteristicae disrumpendi et transmittendi, schemata dimensionum et montandi, et declarationes quae pro EAC sub TR CU 004/2011 et TR CU 020/2011, pro CE sub LVD et EMC, pro SASO SABER, pro SONCAP et pro KEBS PVoC requiruntur.
Verificatio independens
Inspectione ab externis facta per SGS, BV, TUV aut Intertek acceptata et, si rogatur, coordinata. Inspectione ante expeditionem cum photographiis pro omni ordine emissa. Exemplaria ad tuam propriam probationem typi approbandi antequam in magnitudine producatur suppeditantur. Gestio qualitatis ISO 9001 ubique applicatur.
