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ODM EL Series BMC DMC Insulators for High-Voltage Safety Supplier, Product

The EL series insulators feature a design with numerous waves in the middle of the cylinder. This design is intended to increase the creepage distance and enhance the electrical performance. Before leaving the factory, our company conducts a withstand voltage test on each product in accordance with the national standard for withstand voltage testing. In addition, our company also carries out performance tests on the breakdown voltage of the EL series BMC insulators. This BMC busbar insulator is mainly designed for indoor use scenarios. Especially in traditional electrical cabinets, this type of insulator is widely applied.

Product Description

EL Medium Voltage Electrical Insulators Introduction

The EL series insulators are generally suitable for use in medium-voltage power distribution cabinets, with their heights mainly ranging from 60 to 150 mm. In terms of performance, particular attention should be paid to the creepage distance, operating voltage, tensile force, and bending force to prevent the failure of product performance caused by excessive leakage current of the copper busbars.
Discover the reliability and high performance of our EL-type support insulators. These insulators are engineered to optimize the operation of your equipment, delivering seamless performance and extended service life, thus minimizing unexpected disruptions. Whether you're looking to enhance the efficiency of your existing power system or seeking a reliable solution for a new project, these high-efficiency grids provide technical excellence crafted to meet unique requirements.

Low-Medium Voltage Electrical Insulators Specification

Product Features (Technical Data) Meet ROHS 2.0 environmental requirements. Colors, inserts, and materials can be customized according to requirements.
Type EL series (EL-type support insulators)
Product Height 60 - 150 mm
Product Diameter 60 - 70 mm
Thread M8 - M12
Insert Material Brass, Steel
Raw Material Unsaturated resin (BMC/DMC)
MOQ 100 pcs
Working Temperature -40°C to 140°C
Flame Retardant Grade UL94 V0 (3mm)
Hot Wire Temperature 960°C
Operating Voltage (AC) 2000 - 13800 V
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

EL Series Insulator Selection Guide

  1. Insert conventional materials, such as copper and iron. Stainless steel and aluminum inserts can be customized;
  2. Products in the attached table are conventional products, while other height sizes can be customized;
  3. 'BD' in the attached table means the product's bore depth; it can be customized for other bore depth requirements;
  4. 'Tightening torque' in the attached table means the torque installation; it can be customized for a greater torque demand;
  5. The nominal voltage in the attached table refers to the IEC: 60355 standard; it can be customized for higher voltage requirements;
  6. Actual performance parameters, dimensional tolerances, and appearance colors are subject to specific technical drawings.
EL Series Insulator Drawing
Part No. EL7060M12A EL15065M10M12 EL6060M12
END diameters(A/B) mm 60 65 60
Height(H) mm 70 150 60
Rated voltage (AC) KV 3 13.8 2
Withstand voltage (AC) KV 20 50 13
Inserts arrangement Top A1 M12 / M12
A2 / M10 /
A3 / / /
AX / 36 /
AY / / /
Inserts arrangement Bottom B1 M12 M12 M12
B2 / / /
B3 / / /
BX / / /
BY / / /

Production Workshop

Production Workshop

Product Certification

Our products strictly comply with global standards: UL, CE, ROHS, REACH, IATF16949, ISO9001, ISO14001, PSCR.
UL Certification

UL

CE Certification

CE

IATF16949 Certification

IATF16949

ISO9001 Certification

ISO9001

ISO14001 Certification

ISO14001

PSCR Certification

PSCR

ROHS Certification

ROHS

REACH Certification

REACH

Product Packaging

Product Packaging

Product Application Cases

Product Application Cases

Demonstration Video

Frequently Asked Questions (FAQ)

What are EL series support insulators primarily used for?

EL series insulators are specially designed for medium-voltage power distribution cabinets and electrical switchgears, providing high insulation and physical support for copper busbars to prevent performance failure caused by leakage currents.

What is the operating voltage range for EL medium voltage insulators?

The operating AC voltage range for EL series insulators generally spans from 2,000V up to 13,800V (2KV to 13.8KV), depending on the specific product height and model specifications.

What materials are used for the main body and threaded inserts?

The raw material used for the main insulator body is high-grade unsaturated resin (BMC/DMC). The standard insert materials are brass and steel, though custom options like stainless steel and aluminum inserts are also available.

What flame retardant and temperature ratings do these insulators have?

Our EL series insulators meet the standard UL94 V0 flame retardant grade (at 3mm thickness), feature a hot wire temperature tolerance up to 960°C, and maintain stable operation in temperatures ranging from -40°C to 140°C.

Can the height and thread dimensions be customized?

Yes. While standard heights range from 60mm to 150mm and thread sizes from M8 to M12, custom height sizes, bore depths (BD), specific torque demands, and color requirements can be tailored according to customer technical drawings.

Which international quality standards and certifications do these insulators comply with?

The products comply with UL, CE, ROHS 2.0, REACH, and PSCR standards. Manufacturing processes adhere strictly to ISO9001, ISO14001, and IATF16949 quality management systems.

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