Is the product suitable for coal mine environments?

Yes, it is designed with an explosion-proof housing and IP65 protection for use in coal mine power supply systems.

Does the device store fault information?

Yes, the protector memorizes fault information and displays it through the menu for convenient maintenance.

(Permanent magnetic mechanism) Flame-Proof Vacuum Feeder Switch for Coal Mine

Name: (Permanent magnetic mechanism) Flame-Proof Vacuum Feeder Switch for Coal Mine
Brand: Huainan Wantai Electric Co., Ltd.
SKU: 943050305

Anhui, ChinaHuainan Wantai Electric Co., Ltd.

US$1,142.00

1-4 Pieces

US$1,140.00

5+ Pieces

Product profile

Customization

Available

Certification

ISO9001

Protection

IP65

Model NO.

KBZ12-200/1140(660)Y

Installation

Vertical

Housing

Explosion-Proof

Rated Voltage

660V or 1140V

Transport Package

Case

Specification

AC 50Hz

Trademark

Wantai

Origin

China

Production Capacity

1000 Sets Per Month

Key features

Advanced Dual-Chip Protection: High-performance microprocessors ensure fast response and high accuracy for overload, short circuit, and leakage protection.

Comprehensive Safety Functions: Includes phase sensitive protection, selective leakage, undervoltage, overvoltage, and gas/wind power lockout features.

Intuitive LCD Interface: Chinese character LCD displays real-time data including current, voltage, power, and fault information for easy monitoring.

Customizable Communication: Supports RS485 or power line carrier communication interfaces for seamless integration with monitoring systems.

Durable Modular Design: Optimized hardware and software anti-interference processing ensures easy installation and extended service life.

Parameter Memory Function: Automatically saves and recalls protection parameters and fault history after power-on or reset for convenient maintenance.

High Breaking Capacity: Rated for 200A or 400A with a limit break current of 9KA and short circuit protection action time under 100ms.

Explosion-Proof Housing: Designed specifically for coal mines with IP65 protection and explosion-proof housing for safe operation in hazardous environments.

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: ≤4.98h 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 are the rated voltage and current specifications?

The rated voltage is 660V or 1140V, and the rated current options are 200A or 400A.

Q:What protection functions does the switch offer?

It provides overload, short circuit (phase sensitive and current amplitude), leakage lockout, undervoltage, overvoltage, three-phase imbalance, and gas/wind power lockout.

Q:Can the communication interface be customized?

Yes, users can select RS485 or domestic leading power line carrier communication interfaces based on their needs.

Q:How is the device maintained and monitored?

It features a Chinese character LCD for real-time display of parameters and faults, allowing easy adjustment and inquiry via buttons.

Q:What is the expected lifespan of the circuit breaker?

The electrical life is 3000 times, and the mechanical life is 15000 times.