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Mine Flameproof and Intrinsically Safe Vacuum Combination Switch
US$11,429.00
1 Set

Product profile

Customization

Available

Certification

ISO9001, CCC

Protection

Corrosion Resistance

Model NO.

QJZ-4*400/1140(660)

Installation

Vertical

Housing

Cast Iron

Transport Package

Wooden Box

Trademark

Wantai Group

Origin

China

HS Code

8504231100

Production Capacity

10000sets/Year

Key features

Explosion-Proof Design: Intrinsically safe for use in mines with explosive gas and coal dust.
PLC Protection System: Adopts PLC + industrial control integrated machine for high accuracy and fast response.
Multi-Function Protection: Covers overload, short circuit, leakage, undervoltage, overvoltage, and phase failure.
Wide Voltage Range: Reliable operation within 75% - 110% of rated control power supply voltage.
Fast Short-Circuit Response: Trip action time is 0.2-0.4s when short-circuit current reaches set multiple.
Phase Sequence Change: Capable of changing phase sequence when stopping motors.
Communication Networking: Supports communication networking for centralized monitoring of mining faces.
OEM/ODM Services: OEM and ODM services are available for custom manufacturing needs.

Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2009-09-02 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.35h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryHuainan Wantai Electric Co., Ltd., established in 2009, is a limited company based in Anhui, China. Specializing in the development and production of mining equipment, the company holds ISO9001:2015, ISO14001:2015, and OHSAS18001:2007 certifications. It operates a large manufacturing plant and exports 11% to 20% of its products. With 57 R&D engineers and three government-recognized R&D institutions, the company emphasizes innovation and efficient energy solutions. It boasts a strong presence in the mining electronic industry, supported by a robust employee base and a commitment to quality and service.
Supplier typeHuainan Wantai Electric Co., Ltd. is a combined trade and manufacturing company, structured as a limited company in the manufacturing industry.
CertificationsThe supplier holds ISO9001:2015, ISO14001:2015, and OHSAS18001:2007 certifications, indicating robust quality, environmental, and occupational health and safety management systems.
After-Sales capabilityThe company has experienced post-sales members, suggesting a capacity for effective after-sales service.
R&D capabilityWith 57 R&D engineers and three government-recognized R&D institutions, the company demonstrates strong innovation capabilities.
Production capacityThe company has a substantial manufacturing plant of 41,708 m² and is a major player in the mining electronic industry.
Client casesThe company has a strong sales presence in various provinces in China, indicating an established customer base.

Product Q&A

Q:What is the main application of this switch?
A:
It is applicable to mines with explosive gas and coal dust for controlling and protecting up to 6 three-phase squirrel cage asynchronous motors.
Q:What protection functions does it offer?
A:
It provides protection against overload, short circuit, leakage, undervoltage, overvoltage, three-phase imbalance, and phase failure.
Q:What is the rated operating voltage?
A:
The rated operating voltage is AC1140V or AC660V at 50Hz.
Q:Is OEM service available?
A:
Yes, OEM service is available for this product.
Q:What is the average lead time?
A:
The average lead time is one month for both peak and off-peak seasons.

Send Inquiry

*To:Huainan Wantai Electric Co., Ltd.Huainan Wantai Electric Co., Ltd.
*Content:
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