What is the shelf life of the vacuum interrupter?

The vacuum interrupter has a shelf life of 20 years.

Is OEM and ODM service available for this product?

Yes, both OEM and ODM services are available for this vacuum interrupter.

12KV Vacuum Interrupter for Contactor-VTJ4340

Name: 12KV Vacuum Interrupter for Contactor-VTJ4340
Brand: Wuhan Feite Electric Co., Ltd.
SKU: 1959895181

Hubei, ChinaWuhan Feite Electric Co., Ltd.

US$55.00-78.00

3 Pieces

Sample price:US$80.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

High Voltage Circuit Breakers

Operation

Manual Type

Model NO.

VTJ4340

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

ACB

Poles Number

Type

DC/AC Vacuum Contactor

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, OVP(Overvoltage Protection), RCCB

Certification

ISO9001-2000, STL

Name

Vacuum Interrupter

Shelf life

20years

Color

Silver, Copper

Afterserivce

Yes

Transport Package

Pallet, Carton(Ploy Bags, Foam)

Specification

Circuit-Breaker Failure Protection

Trademark

Feite Brand

Origin

China

HS Code

8535900090

Production Capacity

600000/Year

Key features

High Breaking Capacity: Rated breaking current up to 125 kA for reliable high-voltage protection.

Long Service Life: Shelf life of 20 years with 30,000 mechanical and 250,000 electrical operations.

Vacuum Arc Extinguishing: Uses advanced vacuum technology for explosion-free and low-noise operation.

Durable Contact Material: Copper tungsten and tungsten carbide alloy contacts for high wear resistance.

Wide Application Range: Suitable for power transmission, metallurgy, mining, and railway systems.

ISO 9001 Certified: Manufacturing process strictly conforms to ISO9001-2000 quality standards.

Low Maintenance Cost: Designed for easy maintenance with reliable operation and non-pollution.

Customization Available: OEM and ODM services available with customizable color options.

Company profile

Wuhan Feite Electric Co., Ltd.

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2012-09-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤9.94h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryWUHAN FEITE ELECTRIC CO., LTD. is presented as an electrical and electronics supplier specializing in vacuum interrupters, embedded poles, circuit breakers, switchgear, switches, and contactors. The stated manufacturing plant area is 23,095 m², with more than 10 production lines and annual output of 600,000 pieces across relevant product categories. The supplier reports ISO 9001:2015 certification, 5 years of R&D engineer experience, and 6–10 quality-control staff. Export activity reportedly began in 2012, with exports representing 11%–20% of total sales. Trade records show shipments of multiple medium- and high-voltage vacuum interrupter models to a buyer in India through Shanghai. Evidence is insufficient to assess after-sales service, financial credibility, and customization capability. The identified customer transactions support customer-case evidence, but the available records show only one named buyer.

Supplier typeThe supplier is identified as an electrical and electronics manufacturer focused on vacuum interrupters, vacuum embedded poles, circuit breakers, switchgear, switches, arc-extinguishing chambers, and contactors. Its stated production output and operation of more than 10 production lines support classification as a specialized manufacturing supplier rather than a purely trading entity.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate. This is explicit evidence of a certified quality-management system, although the provided information does not include certificate scope, issuing body, validity period, or product-specific certifications.

Production capacityThe supplier states a 23,095 m² manufacturing plant, more than 10 production lines, and annual output of 600,000 pieces covering vacuum interrupters, embedded poles, circuit breakers, contactors, and related products. These explicit capacity indicators support a positive assessment of production capability.

Client casesThe records associate WUHAN FEITE ELECTRIC CO., LTD. with SHREEM ELECTRIC LIMITED and show several vacuum interrupter transactions, including 12 kV and 36 kV models, with imports listed from India and Shanghai as the origin port. This provides explicit evidence of at least one identifiable buyer relationship and product shipment activity, although the available evidence does not establish the total customer base or customer satisfaction.

Product Q&A

Q:How to check the vacuum interrupter before putting it into use?

Check if packing is in good condition and if the appearance matches the test certificate. Shake the interrupter to ensure the ceramic envelope is integrated. Test power frequency withstand voltage before operation. Clean the surface with a dry or alcohol-damped cloth. Apply 70% of rated power frequency withstand voltage between open contacts for 1 minute; the unit is qualified if there is no sudden change or trip.

Q:What are the requirements for mounting the vacuum interrupter?

Clean the surface with cotton or alcohol-dipped silk cloth before mounting. Clean conducting poles and electric connection surfaces for good contact. Adjust the interrupter in line with the equipment ensuring mechanical data meets specifications. Provide a guide unit during operation and ensure coaxality of the moving conducting pole. Do not strike the envelope with hard objects to avoid cracks.

Q:What precautions should be taken during mounting?

Ensure the conducting pole is coaxial with the interrupter and vertical to the fixed end face. Do not disassemble repeatedly to prevent screw slipping. Avoid twisting the moving conducting pole or over-pressing the bellow to prevent torque force and scratches. Ensure force applied on the end faces does not exceed the static relief pressure.

Q:How to check the vacuum interrupter periodically?

Periodically check the vacuum interrupter using power frequency withstand voltage. Also, check the contact burnout status. When the burnout mark appears on the moving conducting pole, the electrical endurance is finished and the unit should be replaced.

Q:What is the rated voltage and current of this product?

The rated voltage is 24 kV and the rated current options are 400 A or 630 A.