PRODUCT DESCRIPTION
ALLEN BRADLEY 280-RA35 - AC Drive
The ALLEN BRADLEY Bulletin 280-RA35 is a compact Variable Frequency Drive (VFD) engineered for precise speed and torque control of standard three-phase AC induction motors. This drive utilizes Volts per Hertz (V/Hz) or Sensorless Vector Control (SVC) technology, making it suitable for a range of industrial applications including fans, pumps, conveyors, and general machinery requiring basic motor speed regulation. It integrates essential motor protection and control functionalities within a robust, panel-mountable form factor.
Technical Specifications:
- SERIES/FAMILY: Bulletin 280
- COMPONENT TYPE: AC Drive / Variable Frequency Drive (VFD)
- ELECTRICAL SPECS:
- INPUT VOLTAGE: 200-240VAC
- INPUT PHASE: 1-Phase or 3-Phase
- OUTPUT VOLTAGE: 0-240VAC
- OUTPUT PHASE: 3-Phase
- OUTPUT CURRENT: Up to 3.5 Amperes
- OUTPUT POWER: Up to 0.75 kW (1 HP) for 1-Phase Input Up to 1.1 kW (1.5 HP) for 3-Phase Input
- OUTPUT FREQUENCY: 0-400 Hz
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact, Panel Mount
- ENCLOSURE TYPE: Open Type
- INTERFACE/CONTROL:
- CONTROL METHOD: Volts per Hertz (V/Hz), Sensorless Vector Control (SVC)
- COMMUNICATION: RS-485 (DF1 or Modbus RTU protocol support)
- DIGITAL INPUTS: Multiple programmable inputs for start/stop, speed reference, fault reset
- ANALOG INPUTS: 0-10VDC or 4-20mA for speed reference
- DIGITAL OUTPUTS: Programmable relay output for status or fault indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (NEMA Type 1 equivalent when properly installed in an enclosure)
- COOLING METHOD: Convection Cooled
- MOUNTING STYLE: Panel Mount
- COMPATIBILITY/APPLICATION:
- MOTOR TYPE: Standard 3-Phase AC Induction Motors
- TARGET SYSTEMS: Conveyor systems, centrifugal pumps, industrial fans, mixers, general material handling equipment, HVAC systems.