Isolator Rotativus DC | 1000V DC, IP66, Arc-Safe

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DC Rotary Isolator: Reliable Disconnection for Solar, Industrial, and Railway Applications

DC Rotary Isolator: Reliable Disconnection for Solar, Industrial, and Railway Applications

ZHNYU ELECTRIC's DC rotary isolator represents a benchmark in low-voltage disconnection technology, engineered for the rigorous demands of photovoltaic, industrial control, and railway sectors. With 34 years of production expertise and exporting to over 60 countries, our isolators are trusted by global engineers who require absolute safety and performance. The DC rotary isolator is designed to handle high DC voltages and currents, with ratings up to 1000V DC and 63A, ensuring reliable operation in solar arrays, battery storage systems, and DC distribution networks. Our products undergo rigorous testing, including 3,000 mechanical operations and a 1,500V dielectric withstand test, to guarantee durability under extreme conditions.
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Causa Study

Solar Power Plant Disconnection in Spain

Planta fotovoltaica de 50 MW en sur de Hispania enfrentó desafíos con fallos frecuentes de inversores y paradas no programadas debido a desconectadores de corriente continua inadecuados. Operadores de planta buscaron solución que garantizara aislamiento seguro durante mantenimiento y paradas de emergencia. Aislador rotativo de corriente continua de ZHNYU ELECTRIC, calificado en 1000 V DC y 32 A, se integró en cada una de las 2000 cajas combinadoras. Alta capacidad de cierre en cortocircuito del aislador y indicación visual clara permitieron a técnicos desconectar circuitos rápida y seguramente, reduciendo tiempo de mantenimiento en 30 %. Tras un año de operación, planta reportó tiempo de actividad de 99,9 %, y aisladores aprobaron todos estándares de prueba IEC sin problemas de arco ni desgaste de contactos.

Aislamiento de red de corriente continua ferroviaria en Germania

In Germania, in rete ferroviaria, un contractorem pro manutentione necessitabat isolatorem DC fidelem ad protegendum personalem operantem in systematibus trahentibus DC 750V. Scalpellorum interruptores iam existentes erant proni ad corrosionem et saepe substituendi. ZHNYU ELECTRIC suppeditavit isolatorem rotatorium DC cum rating 125A et cum custodia resistente ad UV et aquam. Actio celeris interruptionis isolatoris, operans in minus quam 20 milliseconda, minuit periculum incidentium arcus electrici notabiliter. Contractorem nuntiavit reductionem partium substituendarum de 40% et reductionem temporis non operativi pro fenestris manutentionis de 20%. Per biennium, isolatores perfecerunt sine defectu, etiam sub condicionibus asperis tunnelorum et viarum ferratarum foris.

Controllo Industrialis Motoris DC in Regno Unitum

A food processing plant in the UK used DC motors for conveyor drives, but the plant's isolating switches could not handle the high inductive loads, causing frequent failures and overheating. The engineering team replaced the old switches with ZHNYU DC rotary isolators designed with double-break contacts. The isolator's rapid arc suppression and high thermal capacity allowed it to switch DC currents up to 100 A without overheating. As a result, the plant experienced a 50 % reduction in motor downtime and a 25 % increase in overall equipment effectiveness. The plant's maintenance manager praised the isolator's compact design, which saved space in the control panels, and its clear on/off indication that improved operator safety.

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ZHNYU ELECTRIC, cum plus de triquinta annos de excellentia in fabricando, se constituit ut dux in productione componentium electricorum pro voltages bassis. Nostri interruptores rotatorii pro circuitus directi (DC) demonstrant nostram dedicationem ad qualitatem, innovationem, et securitatem. In systemata electrica moderna, praesertim ea quae fontes energiae renovabilis ut panella solaris et turbines venti involvunt, necessitas disconnectionis fidele pro circuitibus directis est summe importantis. Contra systemata alternantis currentis (AC), arcus directi non se extinguunt, ideoque isolatio est critica ad damna proprietatis, vulnera, aut etiam mortem praevinendam. Noster interruptor rotatorius pro circuitibus directis est ingeniosus ut circuitus directos interrumpat securus, etiam sub onere, per cameram speciale designatam pro arcubus quae arcum distendit et refrigurat ut eum cito extinguat.

Quaestiones Frequenter Rogatae

How do I choose the correct current and voltage rating for my solar project?

The rating depends on the maximum system voltage and the continuous current of the PV string. The DC rotary isolator must be rated for at least the maximum open-circuit voltage of the panels, which is typically 600V or 1000V for residential and commercial installs. The current rating should be at least 1.25 times the expected maximum short-circuit current to handle fluctuations.
Yes, our isolators are available with IP66 protection ratings, meaning they are dust-tight and protected against powerful water jets. This makes them ideal for outdoor PV systems, sub-stations, and any exposed location. Additionally, the enclosures are UV-stabilized to withstand prolonged sun exposure and pass a salt spray test for coastal environments.
Noster isolator rotativus CC ad normas recentissimas Commissionis Internationalis Electrotechnicae, scilicet IEC 60947-3, congruit. Certificata varia habemus, inter quae ISO9001, CCC, CE, et SAA (pro Australia). Productum etiam ad normam RoHS est, ut sit absque substantiis periculosissimis. Certificata et relationes experimentorum pro supplicatione praebere possumus.
Immo. Intellegimus installationes unicas speciales postulare specificata. Ad mensuram currentis a 16A usque ad 125A, ad tensionem usque ad 1500V CC, ad varios terminos (viticis, lamina, aut cavo), et ad varias optiones fixationis (scilicet in rastrum DIN aut in tabulam) accommodamus. Nostra turma ingeniorum tecum operabitur ut solutionem efficiat quae exactis tuis necessitatibus respondet, ab exemplari ad productionem massivam.

Articuli Connexi

SwitchLine OT: Interruptor Universalis Potentiae

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SwitchLine OT: Interruptor Universalis Potentiae

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Fusus: Heros Inauditus Protectionis Circuitus

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Aug

Fusus: Heros Inauditus Protectionis Circuitus

Plura vide
Cur is an isolator switch required in every electrical panel installation?

12

Sep

Cur is an isolator switch required in every electrical panel installation?

Need to comply with IEC 61439 & NEC safety standards? Discover the critical role of isolator switches in panel safety, maintenance, and regulatory compliance. Learn more now.
Plura vide
Quae est differentia inter switch isolatorem et interruptorem circuitus?

12

Sep

Quae est differentia inter switch isolatorem et interruptorem circuitus?

Intellegere differentias inter interruptorem isolantem et interruptorem circuitus pro isolatione electrica et protectione contra supercurrentum in systematibus potentiae.
Plura vide

Testimonia Clientium

Michael Anderson
Qualitas et fiducia egregiae pro nostra agricola solaris

We have been using ZHNYU's DC rotary isolators in our 200 MW solar farm for two years, and they have exceeded our expectations. The switching is smooth, the arc suppression is flawless, and we have had zero failures.

Sophia Müller
A Game Changer for Our Industrial DC Applications

As a maintenance engineer at a large printing facility, we rely on DC motors for our presses. The previous isolators were failing frequently, causing expensive downtime. Since switching to ZHNYU's DC rotary isolator, we have seen a 40% reduction in maintenance calls and the isolators heat up only slightly even under high load.

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Uncompromising Safety: Arc Extinguishing Technology for DC Circuits

Uncompromising Safety: Arc Extinguishing Technology for DC Circuits

Securitas est praecipua cum tractatur correntia directa. Aliter quam correntia alternans, correntia directa non habet naturalem periodum ubi correntia est nulla; ideo arcus qui oritur cum circuitus interrumpitur potest perdurare, causans gravem damnum aut iniuriam. Isolator rotativus pro correntia directa a ZHNYU ELECTRIC hanc difficultatem directe affrontat systemate extinguendi arcum admodum provecto. Nostri isolatores includunt designum camerarum unicum quod arcum in segmenta minora dividit per laminas ferreas, quae tensionem arcus augent et eum cito refrigent. Praeterea, systema magnetis permanentis integravimus quod campum magneticum generat ut arcum in laminas extinguendas impellat, processum refrigerationis accelerans. In modulis altius correntiae, mechanisma insufflationis aeris utimur quod arcum a contactibus removet.
Aedificatus ad Durandum: Robustus Endurantia Mechanica et Ambientalis

Aedificatus ad Durandum: Robustus Endurantia Mechanica et Ambientalis

Longevitas componentis est factor criticus ad minuendum totalem possessionis pretium. Isolator rotativus DC ZHNYU ELECTRIC fabricatus est ut durare possit in asperissimis conditionibus et operari fidibiliter per decennia. Nos utimur tantum materiis altissimae qualitatis, inter quas corpus ex nylon renfortato vitro quod praebet magnam resistentiam ad ictus, vibrationes, et extremos temperaturarum gradus a -40°C usque ad +70°C. Contactus mobiles ex cupro sine oxygenio sunt, argento subtili placati ut conductibilitatem altam et resistentiam oxidationi praebere possint. Omnes partes metallicae sunt corrosioni resistenter et subiciuntur testi pulveris salini per 72 horas ut integritas eorum comprobetur. Mechanice, isolator ita designatus est ut 20 000 operationum cycli sub onere pleno sustinere possit, et ulteriores 30 000 cycli sine onere.
imago

ZHNYU ELECTRIC praebet certificata componentia electrica ad voltatum parvum—inter quae interruptores isolantes, MCCB, ACB, ATS, et fusibiles DC—ad applicationes electricas, industriales et photovoltaicas. Conformis normis ISO9001, CE, CCC, RoHS. Servit plus quam 60 nationes. Adiungere nobiscum hodie. ZHNYU ELECTRIC, condita anno 1992, est fabricator peritus qui unit investigationem et developmentum, productionem et venditionem componentium electricorum ad voltatum parvum et accessoriorum.

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+86-13587761982

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