Is the device suitable for coal mines?

Yes, it is applicable to mines containing explosive dangerous gas and coal dust.

What is the core control unit?

The Siemens PLC is used as the core control unit with field programmable and extensible input/output points.

Mining Flameproof and Intrinsically Safe Type Multi-Loop Vacuum Electromagnetic Switch

Name: Mining Flameproof and Intrinsically Safe Type Multi-Loop Vacuum Electromagnetic Switch
Brand: Huainan Wantai Electric Co., Ltd.
SKU: 707899431

Anhui, ChinaHuainan Wantai Electric Co., Ltd.

US$22,975.00

1 Set

Product profile

Customization

Available

Certification

ISO9001, CCC

Protection

Corrosion Resistance

Model NO.

QJZ-2400/1140(660)-10M

Installation

Vertical

Housing

Cast Iron

Ex Grade

Exd [Ib] I MB

IP Grade

IP54

Transport Package

Export Packaging

Specification

L*D*H: 2000*900*1010

Trademark

Wantai Group

Origin

Huainan, China

HS Code

8537209000

Production Capacity

1000sets/Year

Key features

Intrinsically Safe Design: Prevents spontaneous starting accidents caused by short circuit or grounding in explosive gas environments.

Siemens PLC Core Control: Features field programmable I/O points for powerful networking, telemetry, and remote control capabilities.

Comprehensive Protection: Provides overload, short circuit, overvoltage, undervoltage, phase break, and leakage locking protection.

Multi-Loop Control: Supports 4 to 10 output loops with single circuit max rated current up to 400A for centralized monitoring.

Fault Memory & Display: Stores and queries fault information for 30 days with a friendly man-machine interface for efficient troubleshooting.

Flexible Communication: Supports RS485, CAN Bus, and Ethernet for seamless integration into mine automation systems.

Robust Housing Structure: Cuboid cast iron housing with quick door opening, reliable mechanical and electrical interlocking systems.

Multiple Control Modes: Enables near control, remote control, network control, independent control, and program control options.

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: ≤7.86h 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.