What is the maximum rated voltage?

The rated voltage is up to 660V, making it a good choice for low voltage power distribution cabinets.

Factory Direct Sale Sm-30 DMC/SMC Insulators Busbar Standoff Insulator Support in Switchgear

Name: Factory Direct Sale Sm-30 DMC/SMC Insulators Busbar Standoff Insulator Support in Switchgear
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2224536685

Zhejiang, ChinaZhejiang C&J Electrical Holding Co., Ltd.

US$0.23

1,000 Pieces

Sample price:US$0.23/piece.Request sample

Product profile

Customization

Available

Application

Low-voltage, High-temperature

Material

BMC, SMC

Model NO.

SM-30

Structure

Busbar Insulator

Type

A Type Insulator

Usage

Insulation

Size of Bearing Capacity

25, 30, 35, 40, 50, 60, 76

Certification

Color

Red

Insert

Brass.Steel with Zn Coating

Torgue Strength(Fr Lba)

6-40

Temsile Strength(Lbs)

500-1500

Screw(mm)

6-10mm

Voltage Withstand(Kv)

6-25

Transport Package

Normal Packing

Specification

Customized

Trademark

C&J

Origin

Wenzhou China

HS Code

8546900000

Key features

High Temperature Resistance: Operating temperature range from -40 to +140 degrees Celsius.

Excellent Insulation Properties: Features good electrical resistance, heat resistance, and fire resistance.

Customizable Color and Material: Color, insert, and material can be customized according to customer needs.

High Tensile Strength: Tensile strength ranges from 500 to 1500 lbs depending on the model.

Wide Voltage Withstand: Voltage withstand capability from 6kV to 25kV for various applications.

Durable Brass and Steel Inserts: Inserts made of brass or steel with Zn coating for enhanced durability.

Low Shrinkage and Water Resistance: SMC material offers low shrinkage and excellent water resistance properties.

CE Certified Quality: Product meets CE certification standards for safety and quality.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-02-26Average Response Time: ≤7.89h

AI-Powered supplier vetting

SummaryZhejiang C&J Electrical Holding Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. It produces circuit breakers, inverters, and related electrical products, with three production lines, 6–10 quality-control staff, and stated annual miniature circuit-breaker output of 10,000,000 pieces. The supplier reports ISO 9001 management-system certification and describes CE/CB certification coverage, while an SGS audit record is valid from July 23, 2025 to July 22, 2026; the audit result is recorded as “0,” but its meaning is not defined. The company states that it serves more than 50 countries and regions and that exports represent 41%–50% of sales. It reports 50 years of combined R&D engineer experience and product intellectual-property and design-patent ownership. Evidence is insufficient to verify after-sales services, financial credibility, OEM/ODM customization, or named customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory, operates as a limited company in Zhejiang, China, and describes integrated R&D, production, sales, and electrical-product manufacturing activities.

CertificationsThe supplier reports ISO 9001 certification and states that its products undergo CE, CB, and other certification systems. An SGS audit record is listed as active from July 23, 2025 to July 22, 2026, although the recorded audit result “0” is not explained in the provided data.

R&D capabilityThe company states that inverter technology development is a core activity, maintains R&D and production functions, reports 50 years of total R&D-engineer experience, and claims intellectual-property and design-patent ownership. Specific recent product-launch data and detailed R&D service capabilities remain unknown.

Production capacityThe supplier reports precise manufacturing and testing facilities, three production lines, 6–10 quality-control staff, and annual miniature circuit-breaker output of 10,000,000 pieces. It also identifies manufacturing of circuit breakers, leakage breakers, molded-case breakers, and inverters, supporting a demonstrated production capability.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional manufacturer for low-voltage circuit breaker series products, integrating research and development, manufacturing, processing, and trade departments. We also supply various electrical and electronic items.

Q:Why should you choose us?

We have more than 20 years of professional teams providing good quality products, good service, and reasonable prices.

Q:Is the MOQ fixed?

The MOQ is flexible, and we accept small orders as trial orders.

Q:What is the operating temperature range?

The operating temperature range is from -40 to +140 degrees Celsius.

Q:Can the color and material be customized?

Yes, color, insert, and material are capable of being customized according to customer needs.