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Explosion-Proof and Intrinsically Safe Type Multi-Loop Vacuum Electromagnetic Starter
US$3,715.00
1-9 Sets
US$3,700.00
10+ Sets
Product profile
Customization
AvailableCertification
ISO9001, CCCProtection
Corrosion ResistanceModel NO.
QJZ2-4*80, 120, 200/1140 (660)Installation
VerticalHousing
Cast IronRated Voltage
1140V (660V)Transport Package
Wooden BoxSpecification
50HzTrademark
Wantai GroupOrigin
ChinaHS Code
8504231100Production Capacity
10000sets/YearKey features
Explosion-Proof Certification: Certified ISO9001 and CCC for safe operation in explosive gas and coal dust environments.
Advanced PLC Protection: Features PLC + industrial control integrated machine with high-precision data processing.
Comprehensive Motor Protection: Protects against overload, short circuit, leakage, undervoltage, overvoltage, and phase imbalance.
Dual Control Capability: Supports both local control and remote control functions for flexible operation.
Multi-Motor Control: Controls and protects up to four three-phase squirrel cage asynchronous motors simultaneously.
Robust Housing Material: Constructed with cast iron housing for superior corrosion resistance and durability.
OEM and ODM Services: Offers both OEM and ODM services to meet specific customization requirements.
Fast Response Speed: Equipped with advanced protection algorithms ensuring rapid response to faults.
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: ≤3.93h CertifiedTerms of Payment: LC, T/T, PayPal, etc.
AI-Powered supplier vetting
SummaryHuainan Wantai Electric Co., Ltd. is a China-based limited company established in 2009, operating in mining electronics and related electrical equipment. The supplier reports ISO9001:2015, ISO14001:2015, and OHSAS18001:2007 certifications, three government-recognized R&D institutions, and 57 years of cumulative R&D engineer experience. Its stated capabilities include development, production, sales, and service, with products such as mine soft starters, feeder switches, lamps, automation systems, switch cabinets, and protection devices. Evidence also indicates a manufacturing plant of 41,708 m², regional sales coverage across multiple Chinese provinces, and dedicated sales and post-sales personnel. However, the provided information does not establish detailed financial strength, customer-specific case studies, or explicit customization processes.
Supplier typeThe supplier is identified as Huainan Wantai Electric Co., Ltd., a Chinese limited company based in Anhui. Its stated activities combine development, production, sales, and service for mining electronic and electrical products, although another record describes its company nature as a trading company.
CertificationsThe supplier explicitly reports ISO9001:2015 quality certification, ISO14001:2015 environmental certification, and OHSAS18001:2007 certification, with ISO9001 also referenced in its company description. These certifications support documented quality, environmental, and occupational health and safety management systems.
After-Sales capabilityThe supplier states that it has experienced sales and post-sales members and describes its business as integrating development, production, sales, and service. This supports the existence of after-sales resources, but no response-time, service-network, spare-parts, or technical-support metrics are provided.
R&D capabilityThe supplier reports three government-recognized R&D institutions and 57 years of total R&D engineer experience. Its stated product-development goal is to deliver safer, more energy-saving, and more efficient system solutions, indicating established R&D resources and innovation orientation.
Production capacityThe supplier reports 371 employees in one company record and 500 employees in a company description, a 41,708 m² manufacturing plant, and an integrated development and production operation. It also claims ready production facilities and broad mining-electronics product coverage, supporting substantial production capability, although verified capacity and output figures are not provided.
Product Q&A
Q:What is the rated voltage of this starter?
A:
The rated voltage is AC 1140V (660V) at 50Hz.
Q:Can this starter control multiple motors at once?
A:
Yes, it can control and protect the starting and stopping of four or less three-phase squirrel cage asynchronous motors simultaneously.
Q:Is this product suitable for mining environments?
A:
Yes, it is specifically designed for mines with explosive gas and coal dust.
Q:What protection functions does the system offer?
A:
It offers protection against short circuit, overload, leakage, undervoltage, overvoltage, three-phase imbalance, and open-phase.
Q:Does the starter support remote control?
A:
Yes, it is equipped with both local control and remote control functions.
Send Inquiry
*To:
Huainan Wantai Electric Co., Ltd.
Huainan Wantai Electric Co., Ltd.*Content:
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