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Dependable Medium and Low Voltage SEP Series Insulators - China Suppliers and Factory for Power Networks
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Dependable Medium and Low Voltage SEP Series Insulators - China Suppliers and Factory for Power Networks

Introducing the SEP series busbar insulators, designed for medium and low voltage applications, featuring cylindrical ends and a unique hexagonal prism in the center. This innovative design enhances support for clamping wrenches during assembly, ensuring ease of installation. With heights ranging from 16 to 80 mm and diameters from 15 to 65 mm, these insulators are versatile for various uses, Widely recognized in the global power industry and large-scale shipping, these busbar insulators meet stringent requirements for torque, tensile strength, and bending resistance. For maritime customers, we offer enhanced salt-spray test capabilities, allowing our standoff insulators to withstand neutral salt-spray tests for 36 to 200 hours, tailored to your specifications. As a leading China supplier and manufacturer, our factory is committed to delivering high-quality insulators that meet your industry's demands. Choose our SEP series busbar insulators for reliable performance and durability

    SEP Series Insulators introduction

    The SEP series electrical insulators fall into the category of medium - and low - voltage insulators. The upper and lower ends are designed as cylinders, while the middle part features a hexagonal prism. The hexagonal prism has six flat and corresponding planes, which provide excellent support for using a clamping wrench during the assembly process. When operators use a clamping wrench to install or remove the busbar insulators, the wrench can precisely fit onto the planes of the hexagonal prism, creating a stable and strong point of force. This design not only significantly improves the assembly efficiency and reduces the workload of operators but also ensures the accuracy and reliability of the installation process. Operators can easily control the installation force and angle, enabling the insulators to be installed accurately in the designated positions, laying a solid foundation for the stable operation of the subsequent electrical systems.

    In terms of size specifications, the SEP series low-medium voltage insulators cover a relatively wide range. Their height generally ranges from 16 to 80 mm, and the diameter ranges from 15 to 65 mm. This diverse size design is intended to meet the needs of different customers and various application scenarios. For some electrical equipment with limited space, smaller - sized insulators can perform their insulating function within the confined space. In contrast, for some large - scale electrical systems, larger - sized insulators can provide stronger support and better insulation performance. The different combinations of height and diameter allow the SEP series insulators to flexibly adapt to various complex electrical environments, demonstrating their strong versatility and adaptability.

    Low-medium voltage electrical insulators specification

    Product features(Technical Data) Meet ROHS 2.0 environmental requirements
    Colors, inserts, materials can be customized according to customer requirements
    Type SEP series(SEP-type hexagonal support insulators)
    Product height 16-80mm
    Product diameter 15-65mm
    Thread M4-M12
    Insert material brass, steel
    Raw material unsaturated resin (BMC/DMC)
    MOQ 100 pcs
    Working temperature -40-140℃
    Flame retardant grade UL94 V0 (3mm)
    Hot wire temperature 960℃
    Operating voltage (AC) 600-3200V
    Working voltage (DC) 800-4500V
    Test items low and high temperature test, pressure resistance, torque strength, tension, bending force, pressure, insulation resistance, ROHS, flame retardant
    Certificates CE, REACH, ELV, SGS
    Quality System ISO9001, ISO14001, IATF16949

    production workshop

    98736

    Product certification

    UL, CE, ROHS, REACH, IATF16949, ISO9001, ISO14001, PSCR

    UL

    UL

    CE

    CE

    IATF16949-2027

    IATF16949

    ISO9001

    ISO9001

    ISO14001

    ISO14001

    PCSR

    PSCR

    ROHS

    ROHS

    REACH

    REACH

    Product packaging

    SEP Series Insulator

    Product application cas

    MixCollage-13-Feb-2025-02-06-PM-9814

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    Frequently Asked Questions

    What are the dimensions available for the SEP series insulators?

    The SEP series low-medium voltage insulators generally feature a height range of 16 to 80 mm and a diameter range of 15 to 65 mm. Thread specifications range from M4 to M12.

    What materials are used in manufacturing SEP series insulators?

    The raw material used is unsaturated resin (BMC/DMC), and the insert materials can be customized using brass or steel according to customer requirements.

    What are the electrical properties and working voltages of these support insulators?

    The operating voltage for AC ranges from 600V to 3200V, while the working voltage for DC ranges from 800V to 4500V. They have a flame retardant grade of UL94 V0 (3mm).

    What certifications do the SEP series insulators comply with?

    They meet ROHS 2.0 environmental requirements and hold certifications including CE, REACH, ELV, SGS, UL, IATF16949, ISO9001, ISO14001, and PSCR.

    What is the advantage of the hexagonal prism design in the middle of the insulator?

    The hexagonal prism provides six flat corresponding planes that perfectly fit clamping wrenches. This enables stable assembly and removal, improves installation efficiency, and ensures precise installation force control.

    What is the Minimum Order Quantity (MOQ) and operating temperature range?

    The Minimum Order Quantity is 100 pieces, and they are designed to operate reliably within a working temperature range of -40°C to 140°C.