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O RET670 oferece recursos abrangentes de proteção, monitoramento e controle para vários tipos de transformadores, incluindo:

  • Transformadores de dois e três enrolamentos
  • Autotransformadores
  • Transformadores elevadores
  • Unidades de bloco gerador-transformador
  • Transformadores de mudança de fase
  • Transformadores ferroviários especiais
  • Reatores de derivação

Informações atuais do transformador:

  1. Relação CT 1:

    • Proporção: 2000/5 A
    • Classe CT: C800 (na torneira máxima de 2000/5A)
    • Resistência secundária: 0,5 Ohm (torneira 2000/5A)
    • Resistência do laço do cabo: <2 Ohms
    • Corrente máxima de falha: Igual à corrente de falha nominal do comutador 40 kA
  2. Relação CT 2:

    • Proporção: 1200/5 A
    • Classe CT: C800 (na torneira máxima de 1200/5)
    • Resistência Secundária: 0,3 Ohms
    • Resistência do laço do cabo: <0,1 Ohms
    • Corrente máxima de falha: Use 15 x Irated para transformador de potência.
  3. Relação CT 3:

    • Proporção: 2000/5 A
    • Classe CT: C400 (na torneira máxima de 2000/5)
    • Resistência secundária: 0,5 Ohms (em 2000/5 tap)
  4. Relação CT 4:

    • Proporção: 100/5 A
    • Classe CT: C200
    • Resistência secundária: 0,1 Ohms (em 100/5 tap)
    • Resistência do laço do cabo: <0,1 Ohms
  5. Relação CT 5:

    • Proporção: 600-300/5 A
    • Classe CT: C200
    • Resistência secundária: 0,66 ohms
    • Resistência do laço do cabo: <0,1 Ohms
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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