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Explosion-Proof and Intrinsically Safe Type Multi-Loop Vacuum Electromagnetic Switch for Mine
US$18,350.00
1 Set

Product profile

Customization

Available

Certification

ISO9001, CCC

Protection

Corrosion Resistance

Model NO.

QJZ-2400/1140(660)-8M

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 circuits or grounding in explosive environments.
Siemens PLC Core Control: Features field programmable I/O points for powerful networking, telemetry, and remote control capabilities.
Comprehensive Protection: Protects against overload, short circuit, over/under voltage, phase break, leakage, and gas locking.
Multi-Loop Configuration: Supports 4 to 10 output loops with rated currents up to 2400A for centralized power load monitoring.
Advanced Communication: Enables RS485, CAN Bus, and Ethernet connectivity for remote monitoring and unattended operation.
Fault Data Storage: Stores and queries fault information for up to 30 days to improve troubleshooting efficiency.
Robust Housing Structure: Cuboid cast iron housing with quick door opening and reliable mechanical/electrical interlocking systems.
Certified Safety Standards: Meets ISO9001, CCC, and Exd [Ib] I MB explosion-proof standards for mine safety compliance.

Company profile

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: ≤4.27h 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 is the primary application environment for this switch?
A:
It is designed for mines containing explosive dangerous gas and coal dust, controlling three-phase squirrel-cage asynchronous motors.
Q:What protection functions are included?
A:
It provides overload, short circuit, overvoltage, undervoltage, phase break, leakage locking, gas locking, and wind power locking.
Q:Can the device be controlled remotely?
A:
Yes, it supports proximity control, security remote control, and network control via RS485, CAN Bus, or Ethernet.
Q:What is the rated operational current range?
A:
The rated operational current ranges from 1200A to 2400A depending on the specific model selected.
Q:How long can fault information be stored?
A:
The system allows querying and storing fault information for 30 days at any time.

Send Inquiry

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