How are fault information and parameters stored?

The device has a memory function that saves protection settings and fault information automatically.

What is the short circuit protection action time?

The short circuit protection action time is less than 100ms.

Coal Mine Explosion-Proof and Intrinsically Safe Vacuum Feeder Switch

Name: Coal Mine Explosion-Proof and Intrinsically Safe Vacuum Feeder Switch
Brand: Huainan Wantai Electric Co., Ltd.
SKU: 941107625

Anhui, ChinaHuainan Wantai Electric Co., Ltd.

US$1,642.00

1-9 Pieces

US$1,640.00

10+ Pieces

Product profile

Customization

Available

Certification

ISO9001

Protection

IP65

Model NO.

KJZ-500, 630/1140(660)

Installation

Vertical

Housing

Explosion-Proof

Rated Voltage

1140V or 660V

Transport Package

Case

Specification

AC 50Hz

Trademark

Wantai

Origin

China

Production Capacity

1000 Sets Per Month

Key features

Explosion-Proof Housing: Designed specifically for hazardous coal mine environments with intrinsically safe features.

Dual-Chip Protection System: Utilizes high-performance microprocessors and large-capacity chips for fast response and high accuracy.

Comprehensive Protection Functions: Covers overload, short circuit, leakage, undervoltage, overvoltage, and three-phase imbalance.

Intuitive LCD Interface: Features Chinese character LCD with menu-type human-computer interface for easy operation.

Real-Time Data Monitoring: Displays current, voltage, power, insulation resistance, and fault information in real time.

Automatic Parameter Memory: Automatically saves and restores protection settings and fault logs upon power-on or reset.

Flexible Communication Options: Supports RS485 or power line carrier interfaces for connection with monitoring systems.

Modular Design for Durability: Optimized software and hardware anti-interference processing ensures long service life.

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: ≤4.79h 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.