What is the electrical and mechanical life?

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

Is OEM/ODM service available?

Yes, the manufacturer offers both OEM and ODM services with 57 R&D engineers supporting customization.

Coal Mine Explosion-Proof Vacuum Feed Switch (Electrically Isolated)

Name: Coal Mine Explosion-Proof Vacuum Feed Switch (Electrically Isolated)
Brand: Huainan Wantai Electric Co., Ltd.
SKU: 1932926905

Anhui, ChinaHuainan Wantai Electric Co., Ltd.

US$2,142.00

1 Piece

Product profile

Customization

Available

Certification

ISO9001

Protection

IP65

Model NO.

KJZ88-200, 400/1140(660)SD

Installation

Vertical

Housing

Explosion-Proof

Transport Package

Case

Trademark

Wantai

Origin

China

Production Capacity

1000 Sets Per Month

Key features

Advanced Dual-Chip Protection: High-performance microprocessors with high-precision data processing and fast response speed.

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

Intuitive LCD Interface: Chinese character LCD with menu-type human-computer interface for intuitive and simple operation.

Parameter Memory Function: Automatically saves and restores protection parameters and fault information upon power-on or reset.

Flexible Communication Options: Supports RS485 or power line carrier communication interfaces for monitoring system connection.

Modular Durable Design: Modular structure with optimized anti-interference processing for easy installation and extended service life.

OEM/ODM Customization: Supports customized live indication, communication networking, and power-off locking functions.

High Safety Certification: Explosion-proof housing with IP65 protection and ISO9001 certification for coal mine safety.

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: ≤4.82h 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 are the main protection functions?

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

Q:Can the device be customized?

Yes, the manufacturer can customize functions such as live indication, communication networking, and power-off locking according to user needs.

Q:What is the rated voltage and current?

Rated voltage is 660V or 1140V. Rated current options are 200A or 400A for the KJZ88-200,400/1140(660)SD model.

Q:How does the parameter memory work?

The protector memorizes and saves all adjusted protection parameters and fault information. These are automatically retrieved when the system is powered on or reset.

Q:What communication interfaces are available?

The device supports RS485 or domestic leading power line carrier communication interfaces, allowing connection with monitoring systems.