Does the starter support phase sequence changes?

Yes, it can change the phase sequence when stopping.

What certifications does the product hold?

The product holds ISO9001 and CCC certifications.

What is the rated voltage for this starter?

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

Mining Explosion-Proof and Intrinsically Safe Multi-Loop Vacuum Electromagnetic Starter

Name: Mining Explosion-Proof and Intrinsically Safe Multi-Loop Vacuum Electromagnetic Starter
Brand: Huainan Wantai Electric Co., Ltd.
SKU: 1933580375

Anhui, ChinaHuainan Wantai Electric Co., Ltd.

US$22,857.00

1-4 Sets

US$22,800.00

5+ Sets

Product profile

Customization

Available

Certification

ISO9001, CCC

Protection

Corrosion Resistance

Model NO.

QJZ3-2400/1140(660)-8ML

Installation

Vertical

Housing

Cast Iron

Action Time

0.2-0.4s

Transport Package

Wooden Box

Specification

1140 (660) V

Trademark

Wantai Group

Origin

China

HS Code

8504231100

Production Capacity

10000sets/Year

Key features

Explosion-Proof & Intrinsically Safe: Designed for use in coal mines with explosive gas and coal dust environments.

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

Advanced PLC Protection System: Integrates PLC with industrial control for high-precision data processing and fast response.

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

Fast Action Time: Short-circuit protection trips within 0.2 to 0.4 seconds.

Wide Voltage Operating Range: Reliably works within 75% to 110% of rated control power supply voltage.

Phase Sequence Reversal: Capable of changing phase sequence during the stopping process.

Communication Networking: Supports power metering and communication networking 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: ≤2.78h 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 maximum number of motors this starter can control?

It can control and protect up to 8 three-phase squirrel cage asynchronous motors at the same time.

Q:Is this equipment suitable for coal mines?

Yes, it is an explosion-proof and intrinsically safe type suitable for mines with explosive gas and coal dust.

Q:What protection functions does the switch offer?

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

Q:How fast is the short-circuit protection action time?

The action time is between 0.2 and 0.4 seconds when the main circuit current reaches the set short-circuit multiple.

Q:What is the operating voltage range for the control power supply?

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

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Mining Explosion-Proof and Intrinsically Safe Multi-Loop Vacuum Electromagnetic Starter