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Coal Mine AC Vacuum Qjr Explosion-Proof Soft Starter
Negotiable
1 Piece
Product profile
Customization
AvailableCertification
ISO9001, CCCProtection
Corrosion ResistanceModel NO.
QJR-800 1140(660)-2Installation
VerticalHousing
Cast IronTransport Package
Wooden BoxSpecification
1430*1155*811mmTrademark
Wantai GroupOrigin
ChinaHS Code
8504231100Production Capacity
1000sets/YearKey features
Explosion-Proof Design: Suitable for mines with explosive gas and coal dust, ensuring safety in hazardous environments.
Siemens PLC Control: Core control unit enables stable performance, centralized networking, and Profibus-DP support.
Flexible Parameter Setting: Adjustable starting current and torque curves optimize performance for different load conditions.
Intrinsically Safe Circuit: Pilot circuit design prevents spontaneous starting accidents caused by short circuits or grounding.
Advanced HMI Interface: 7-inch embedded display provides real-time monitoring of voltage, current, and fault status.
Drawer Plug-in Structure: Modular design ensures good interchangeability, consistency, and easy maintenance.
Dual Protection System: Combines soft starting and direct starting modes for reliable motor operation.
OEM/ODM Services: Customization services available for branding and specific technical requirements.
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: ≤2.40h 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?
A:
The rated operational voltage is 1140V or 660V AC.
Q:What is the maximum motor current supported?
A:
It supports three-phase squirrel cage motors with a current below 400A per unit, with a rated operational current of 800A.
Q:Can the starting parameters be adjusted?
A:
Yes, starting parameters such as current and torque can be flexibly set according to different loads.
Q:What communication protocols are supported?
A:
The device supports Profibus-DP and industrial Ethernet for centralized control with the ground network.
Q:How is the device cooled?
A:
It uses air convective cooling as the cooling-down method.
Send Inquiry
*To:
Huainan Wantai Electric Co., Ltd.
Huainan Wantai Electric Co., Ltd.*Content:
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