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Explosion-Proof and Intrinsically Safe Dual-Circuit Lighting Signal Comprehensive Protection Device
US$1,571.00
1 Piece
Product profile
Customization
AvailableCertification
ISO9001, CCCProtection
IP65Model NO.
ZJZ2-4.0/1140(660)MInstallation
VerticalHousing
Cast IronRated Capacity
4.0kVARated Voltage
1140,660/133(No-Load)Rated Current
2.03,3.5/17.36Transport Package
CaseSpecification
0.2m³Trademark
WantaiOrigin
ChinaProduction Capacity
1000 Sets Per MonthKey features
Dual-Circuit Independent Control: Two circuits are independently controlled and protected, allowing flexible power distribution and energy saving.
Intelligent Microcomputer Protection: Features high-performance single-chip microcomputer with strong anti-interference and high sensitivity protection.
Explosion-Proof & Intrinsically Safe: Suitable for underground coal mines with coal dust and explosive gas, certified with CCC and ISO9001.
Modbus Communication Protocol: Standard Modbus protocol allows convenient docking and monitoring with other automation equipment.
Comprehensive Protection Functions: Includes short circuit, leakage, leakage blocking, and insulation monitoring for reliable operation.
Customizable OEM/ODM Service: Supports OEM and ODM services with 57 R&D engineers available for custom solutions.
Flexible Voltage Conversion: Supports 1140V or 660V input with 127V output, enabling voltage conversion without dry transformers.
User-Friendly LCD Interface: Features Chinese LCD display, menu operation, password authorization, and fault memory functions.
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: ≤4.82h 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 application environment for this device?
A:
It is suitable for underground coal mines containing coal dust and explosive gas (methane).
Q:What are the input and output voltage options?
A:
The device supports 1140V or 660V input and provides 127V output for lighting signal equipment.
Q:Does the device support independent control of circuits?
A:
Yes, it has two independent circuits that can be controlled and protected separately to save power.
Q:What communication protocols are supported?
A:
The device uses the standard Modbus communication protocol for easy integration with automation systems.
Q:What certifications does the product have?
A:
The product is certified with ISO9001 and CCC, and features IP65 protection rating.
Send Inquiry
*To:
Huainan Wantai Electric Co., Ltd.
Huainan Wantai Electric Co., Ltd.*Content:
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