How does the company guarantee quality?

Quality is ensured through raw material testing, production testing, and outgoing shipment testing.

What are the payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

What is the Minimum Order Quantity?

The Minimum Order Quantity is 1 unit.

Excellent Bpqj 660V/1140V 255kw~4630kw Explosion-Proof Combination Frequency Soft Starter for Mining

Name: Excellent Bpqj 660V/1140V 2*55kw~4*630kw Explosion-Proof Combination Frequency Soft Starter for Mining
Brand: Shandong Excellent Electric Co., Ltd.
SKU: 1986391421

Shandong, ChinaShandong Excellent Electric Co., Ltd.

Excellent Bpqj 660V/1140V 2*55kw~4*630kw Explosion-Proof Combination Frequency Soft Starter for Mining

US$500.00-10,000.00

1 Piece

Product profile

Customization

Available

Application

High Frequency Converter Transducer

Output Type

Variable Frequency + Power Frequency Control

Model NO.

BPQJ

Principle of Work

Vector Control Transducer

Switch Mode

PWM Control

Main Circuit Type

Voltage

Voltage of Power Supply

as Needed

Link of Transformation

AC-DC-AC Variable-Frequency Drive

Nature of DC Power

Voltage Variable-Frequency Drive

Function

Constant Torque Universal Type

Brand

Excellent

Rated Voltage

660V/1140V

Power Range

2*55kw~2*250kw/2*55kw~4*630kw

Cooling Method

Water-Cooling/Air-Cooling

Run Mode

Two-Quadrants/Four-Quadrants

OEM/ODM

for Customization Inquiries, Please Contact Us.

Transport Package

Wooden Box

Origin

China

Key features

Explosion-Proof Design: Specially designed for mining environments with high safety standards.

Wide Voltage Range: Supports 660V and 1140V rated voltages for flexible application.

High Power Capacity: Power range from 2x55kW to 4x630kW for heavy-duty operations.

Advanced Control: Features PWM control and vector control transducer principles.

Comprehensive Protection: Includes overload, overvoltage, short circuit, and emergency stop protection.

Flexible Cooling: Available in both water-cooling and air-cooling methods.

Customizable Parameters: Power, voltage, and other specs can be tailored to customer needs.

Proven Manufacturer: Over 100 national patents and ISO certified production facility.

Company profile

Quality AssuranceProduct CertificationPatents AwardedFull Customization

Shandong Excellent Electric Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2024-12-09Nearest Port: QingDao, SHANGHAI, SHENZHENAverage Response Time: ≤6.11h

AI-Powered supplier vetting

SummaryThe supplier is a national high-tech enterprise focused on UAV power systems, permanent-magnet electric rollers, and intelligent frequency-conversion control systems. It has broad mechanical, electrical, environmental-monitoring, software, and equipment-related business activities, with six production lines, 6–10 quality-control staff, and stated output across several product categories. It offers customization from samples and designs and reports OEM service for well-known brands. ISO9001:2015, ISO45001:2018, ISO14001, and CE certifications are identified. However, the supplier lacks a valid manufacturing-capacity contract with related subcontractors, has no overseas warehouse or showroom, and its service corrective-action and complaint-handling procedures lack written records. Its R&D capability is documented, but no SDK is available. Customer cases are not specifically identified.

Supplier typeThe supplier is described as a national high-tech enterprise engaged in R&D, manufacturing, and sales of UAV power systems, permanent-magnet synchronous electric rollers, intelligent frequency-conversion control systems, and other mechanical, electrical, software, and environmental-monitoring products. This supports classification as a specialized equipment manufacturer and technology-oriented industrial supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, together with CE certification capability. These certifications provide explicit evidence of quality, occupational health and safety, environmental management, and product-compliance coverage.

After-Sales capabilityThe supplier has written procedures and records for evaluating service capability and reports in-stock service capacity. However, it has no overseas warehouse or showroom, while corrective and preventive action and customer-complaint procedures exist without written records, indicating documented weaknesses in service execution and overseas support.

R&D capabilityThe supplier is identified as a national high-tech enterprise with mechanical-equipment R&D, software development, and UAV power-system development activities, and it provides OEM services for well-known brands. Nevertheless, it explicitly has no available SDK, so the evidence supports product and engineering innovation but not SDK-based integration capability.

Production capacityThe supplier operates six production lines, has 6–10 quality-control staff, reports output for mining converters, control boxes, permanent-magnet direct-drive drums, and drone motors, and states annual capacity of 800 permanent-magnet electric rollers and frequency converters. However, it has no valid manufacturing-capacity contract with related subcontractors, creating a documented capacity-management weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, and minor customization. Its listed testing and production equipment, including high-voltage testing, dynamic-balance testing, press, drying, and vacuum-impregnation equipment, is consistent with the stated customization scope.

Product Q&A

Q:What are the main technical parameters?

Rated voltage is 660V/1140V. Power range is 2x55kW-2x250kW or 2x55kW-4x630kW. It uses PWM control and vector control principles.

Q:What protection functions are included?

It offers overload, overvoltage, undervoltage, phase loss, overheating, power balance, short circuit, leakage lockout, grounding, and emergency stop protection.

Q:Is customization available?

Yes, power, voltage, and other parameters can be customized according to customer requirements. OEM/ODM is also supported.

Q:What cooling methods are supported?

The product supports both water cooling and air cooling methods.

Q:What is the delivery time for customized products?

For customized products, the delivery time needs to be communicated directly with customer service.