What are the payment terms?

Payment terms include LC, T/T, PayPal, and Western Union.

What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

Qjz-4*400/1140 (660) Mine Explosion-Proof and Intrinsically Safe Vacuum Combination Switch

Name: Qjz-4*400/1140 (660) Mine Explosion-Proof and Intrinsically Safe Vacuum Combination Switch
Brand: Huainan Wantai Electric Co., Ltd.
SKU: 1937222805

Anhui, ChinaHuainan Wantai Electric Co., Ltd.

US$11,429.00

1 Set

Product profile

Customization

Available

Certification

ISO9001, CCC

Protection

Corrosion Resistance

Installation

Vertical

Housing

Cast Iron

Transport Package

Wooden Box

Trademark

Wantai Group

Origin

China

HS Code

8504231100

Production Capacity

10000sets/Year

Key features

Explosion-Proof Safety: Designed for mines with explosive gas and coal dust, ensuring intrinsic safety.

Advanced PLC Protection: Utilizes PLC + industrial control for high-precision data processing and fast response.

Comprehensive Motor Control: Controls up to 6 three-phase motors simultaneously with phase sequence change capability.

Multi-Function Protection: Covers overload, short circuit, leakage, undervoltage, overvoltage, and phase failure.

Wide Voltage Operation: Reliable operation within 75%-110% of rated voltage with release at 20%-60%.

Fast Short-Circuit Response: Trip action time of 0.2-0.4 seconds when short-circuit current is reached.

Communication Networking: Supports power metering and communication networking for centralized monitoring.

OEM/ODM Services: Customization available with 57 R&D engineers and extensive production capabilities.

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.