Industrial TCI KDRF4H Solid State Relay Module

Description:

The Industrial TCI KDRF4H Solid State Relay Module is used in three-phase variable frequency drive (VFD) systems to reduce harmonic distortion, suppress voltage transients, and protect motors and drive electronics from power line disturbances. Commonly installed in motor control centers, conveyor systems, pumps, compressors, HVAC equipment, and industrial automation machinery. Maintenance teams, OEMs, and system integrators use this drive reactor for equipment replacement, VFD retrofits, control panel upgrades, and power quality improvement.

Applications:

The Industrial TCI KDRF4H is a high-impedance input line reactor designed to improve the reliability and performance of AC drive systems. It is commonly used in manufacturing facilities, water and wastewater treatment plants, material handling equipment, packaging machinery, HVAC systems, and process automation applications where reducing harmonics, minimizing nuisance drive trips, and extending the service life of motors and variable frequency drives are critical. Despite being described as a "solid state relay module," the KDRF4H is an input line reactor rather than a relay module.

Technical Specifications:

• Manufacturer: TCI (Trans-Coil International)
• Model / Part number: KDRF4H
• Product type: Drive reactor
• Voltage rating: 480 V AC
• Frequency: 50/60 Hz
• Phase: 3-phase
• Current rating: 60 A
• Horsepower rating: 40 HP
• Impedance: 5% High Z
• Enclosure: Open type
• Mounting: Panel mount
• UL Listed: Yes
• Application environment: Industrial electrical and motor control systems

Common Replacements:

• TCI KDRF4L Drive Reactor
• Allen-Bradley 1321-3R60-B Line Reactor
• MTE RL06002 Line Reactor