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Zhejiang Yuelong Electric CO.,LTD.
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  • Other Accessory

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New Products

  • DC Surge Protector
    DC Surge Protector
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    • Address: Shen pinoneer park,xiangyang industrial zone,Liushi town,Yueqing City,China
    • Tel:+86-13858881592
    • Phone:+86-13858881592
    • E-mail: ceo@ylongelec.com

    Inquiry For Price List

    For inquiries about DC surge protective device, AC surge protective device, DC MCB, DC fuse, MC4 connector or price list, please leave your email to us and we will be in touch within 24 hours.

    Latest News

    • Technical Characteristics of SPDs
      Technical Characteristics of SPDs2022/09/05

      Technical characteristics of SPDs that should be considered are as following: maximum continuous operating voltage, ac or dc application, nominal discharge current, voltage-protection level and temporary overvoltage. The SPDs have an integral self-protecting device and utilizing a finger-safe, removable module.

    • The Importance of Surge Protection Devices
      The Importance of Surge Protection Devices2022/08/30

      In the area that lighting occurrences are frequent, unprotected PV systems could suffer repeated and significant damage to key components. Aside from the consequences of direct lightning strikes to the arrays, interconnecting solar cables are very susceptible to electromagnetically induced transients. It results in substantial repair and replacement costs, system downtime and the loss of revenue. The strategic placement of Surge Protection Devices mitigate these issues because their function are shorting or clamping devices.

    • What size DC breaker do I need?
      What size DC breaker do I need?2022/08/03

      What size DC breaker do I need?

    • Heavy! New regulations on quality and safety management of power equipment issued
      Heavy! New regulations on quality and safety management of power equipment issued2022/04/21

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