What is the rated voltage for this product?

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

What materials are used for the inserts?

Inserts are made of brass or steel with Zn coating.

Sm Series Busbar Support Electric Standoff Busbar Insulator

Name: Sm Series Busbar Support Electric Standoff Busbar Insulator
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 821451185

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

US$0.30

1,000 Pieces

Sample price:US$0.30/piece.Request sample

Product profile

Customization

Available

Application

Low-voltage, High-temperature

Material

BMC, SMC

Model NO.

SM-40

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

Transport Package

Normal Packing

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 high strength, fire resistance, and low shrinkage for safe operation.

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

High Voltage Withstand Capability: Rated voltage up to 660V, suitable for low voltage power distribution cabinets.

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

Wide Size Range: Available in multiple sizes including SM25, SM30, SM35, SM40, SM51, and SM76.

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

Competitive Manufacturing Pricing: Large volume production in China ensures cost-effective solutions.

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: ≤7.34h

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 professional manufacturer for low-voltage circuit breaker series products, Integrates research and development, manufacturing, processing and trade departments together. also we supply of different electrical and electronic items

Q:Why will you choice us?

more than 20years of professional teams will give you good quality products ,good service ,and reasonable price

Q:Is the MOQ fixed?

The MOQ is flexible and we accept small order as trial order.

Q:What is the operating temperature range?

The product operates effectively within a temperature range of -40 to +140 degrees Celsius.

Q:Can the color and material be customized?

Yes, color, insert, and material are available in accordance with customer needs.