Used product. The SUNON KD1209PTB1 13.(2).GN is a high-performance brushless DC axial cooling fan designed for industrial applications requiring reliable and continuous cooling of power electronic components. Thanks to its robust construction and low power consumption, it is an ideal solution for equipment operating continuously in 24/7 service conditions.

Powered by 12 VDC with a nominal power consumption of 1.9 W, this cooling fan is engineered to provide efficient heat dissipation for photovoltaic inverters, industrial switching power supplies, electronic power converters, and industrial automation equipment. SUNON's renowned manufacturing quality ensures stable operation even in demanding industrial environments characterized by elevated temperatures and prolonged duty cycles.

The KD1209PTB1 model is commonly employed in the cooling systems of string and central photovoltaic inverters, UPS (Uninterruptible Power Supply) systems, AC/DC and DC/AC converters, energy storage systems, and industrial electronic equipment requiring efficient and continuous forced-air ventilation.

Technical Specifications

• Manufacturer: SUNON
• Model: KD1209PTB1
• Revision: 13.(2).GN
• Type: Brushless DC Axial Cooling Fan
• Nominal Supply Voltage: 12 VDC
• Nominal Power Consumption: 1.9 W
• Motor Technology: Brushless DC Motor
• Operating Voltage: 12 VDC
• Electrical Connection: 2-wire configuration (positive and negative)
• Mounting System: Four-point mounting configuration
• Frame Material: High-temperature resistant engineering thermoplastic
• Country of Manufacture: China
• Certifications: CE, UL Recognized, and SUNON international compliance markings

Applications

The SUNON KD1209PTB1 cooling fan is commonly used for thermal management in:

• Industrial photovoltaic inverters
• String and central solar inverters
• UPS (Uninterruptible Power Supply) systems
• Industrial switching power supplies
• AC/DC and DC/AC power converters
• Energy Storage Systems (ESS)
• Industrial electronic control cabinets
• Power electronic modules
• Heat sinks and forced-air cooling systems
• Renewable energy power conversion equipment
• Industrial automation systems operating continuously

Key Features

• High reliability for continuous 24/7 operation
• Low power consumption (1.9 W)
• Efficient cooling of power electronic components
• Long-life brushless DC motor technology
• Low maintenance requirements
• Excellent operational stability in industrial environments
• Suitable for photovoltaic and industrial power conversion applications
• Robust construction for demanding thermal management tasks

Compatibility

This model is widely employed in industrial equipment dedicated to electrical power conversion and management, including:

• Photovoltaic inverters
• UPS systems
• Industrial power supplies
• Frequency converters
• Energy storage systems
• Renewable energy electronic equipment

Compatibility should always be verified according to the electrical and mechanical specifications required by the destination equipment.

Product Condition

• Used product
• Cosmetic condition as shown in the photographs
• May exhibit normal signs of previous installation and use
• Compatibility with the intended application should be verified before installation
• Functional condition should be considered untested unless professionally tested

Important Note

Before replacement, please verify the compatibility of the SUNON KD1209PTB1 13.(2).GN model, including the supply voltage (12 VDC), mechanical dimensions, mounting system, and electrical wiring configuration required by the destination equipment. This cooling fan is specifically designed for industrial applications demanding high reliability, continuous-duty operation, and efficient thermal management of power electronic systems.