Does it support centralized monitoring?

Yes, it is suitable for centralized monitoring of mining, transportation, and other working faces with concentrated power loads.

What is the operating voltage range?

The switch works reliably within 75% to 110% of the rated control power supply voltage.

Can the phase sequence be changed?

Yes, the starter can change the phase sequence when stopping the motors.

Qjz Series Mine Explosion-Proof Intrinsically Safe Multi-Loop Vacuum Electromagnetic Starter

Name: Qjz Series Mine Explosion-Proof Intrinsically Safe Multi-Loop Vacuum Electromagnetic Starter
Brand: Huainan Wantai Electric Co., Ltd.
SKU: 1938858615

Anhui, ChinaHuainan Wantai Electric Co., Ltd.

US$17,000.00-29,000.00

1 Piece

Product profile

Customization

Available

Certification

ISO9001, CCC

Protection

Corrosion Resistance

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 Safety: Intrinsically safe design for use in explosive gas and coal dust environments.

Multi-Motor Control: Controls and protects up to 8 three-phase squirrel cage asynchronous motors simultaneously.

Advanced PLC Protection: PLC + industrial control system with high-precision data processing and fast response.

Comprehensive Protection Functions: Covers overload, short circuit, leakage, undervoltage, overvoltage, and phase failure.

Phase Sequence Reversal: Capable of changing phase sequence during motor stopping operations.

Wide Voltage Operation: Reliable operation within 75% to 110% of rated control power supply voltage.

Fast Short-Circuit Response: Protection trips within 0.2 to 0.4 seconds when short-circuit current is reached.

Communication Networking: Supports communication networking and power metering for centralized monitoring.

Company profile

Huainan Wantai Electric Co., Ltd.

Anhui, China

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: ≤2.77h 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 rated voltage for this starter?

It is designed for AC 50Hz circuits with a rated voltage of AC 1140V or 660V.

Q:How many motors can be controlled at once?

The starter can control and protect the starting and stopping of 8 or less three-phase motors simultaneously.

Q:What protection functions are included?

It includes protection against overload, short circuit, leakage, undervoltage, overvoltage, three-phase imbalance, and phase failure.

Q:Is this equipment suitable for coal mines?

Yes, it is an explosion-proof and intrinsically safe type specifically applicable to mines with explosive gas and coal dust.

Q:What is the response time for short-circuit protection?

The action time for short-circuit protection trips is between 0.2 and 0.4 seconds.

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Qjz Series Mine Explosion-Proof Intrinsically Safe Multi-Loop Vacuum Electromagnetic Starter