Features 1、INTELLIGENT MOTHERBOARD: Vector frequency converter adopts high grade motherboard, intelligent and efficient, with strong protection and complete functions. 2、USER FRIENDLY DESIGN: Motor controller is designed with humanized keyboard and digital screen, convenient for users to operate. 3、GOOD HEAT DISSIPATION: Large heat sink with small fan provides good heat dissipation, while ensuring low noise. 4、OTHER FUNCTION: With RS485 communication, built in brake unit, which can be externally connected with brake resistor for emergency braking. 5、FLAME RETARDANT SHELL: Industrial flame retardant ABS plastic shell, impact and heat resistant, with good comprehensive performance. Specification Item Type: Vector Variable Frequency Drive Material: ABS Storage Temperature: -25℃ to +55℃ Input Voltage: Three Phase 340-440V AC Output Voltage: Three Phase 0-440V AC Output Current: 2.1A Braking Resistance: Braking Resistance Power: 100W Braking Resistance: 750Ω Package List 1 x Vector Variable Frequency Drive 1 x User Manual