{"id":"automationdirect-gs23-21p0","model_id":"GS23-21P0","name":"AutomationDirect DURApulse GS23-21P0","summary":"The GS23-21P0 is an enclosed DURApulse GS20 series general-purpose AC variable frequency drive from AutomationDirect. It takes 230 VAC input and produces three-phase output, rated 1 hp with three-phase input or 1/2 hp with single-phase input. It supports SVC, V/Hz, FOC and torque control modes, communicates over an RS-485 port using Modbus RTU or Modbus ASCII, and includes integrated dynamic braking.","study_notes":["Control modes: SVC, V/Hz, FOC or torque.","Amperage rating is 4.8 A with 3-phase input and 2.4 A with 1-phase input; variable torque rating is 5 A.","Output frequency range 0.1-599 Hz; carrier frequency range 2-15 kHz.","Discrete I/O: 7 inputs (24 VDC, sinking/sourcing) and 3 outputs (relay/sinking/sourcing, 240 VAC and 48 VDC); relay output is one Form C (SPDT).","Analog I/O: 2 input channels (0-20 mA, 4-20 mA, +/-10 VDC; 10-bit and 12-bit) and 1 output channel (0-20 mA, 4-20 mA, 0-10 VDC; 10-bit).","Communication ports: one RS-485 (RJ45) and one USB B; Modbus RTU Slave and Modbus ASCII Slave at up to 115.2k baud.","Optional EtherNet/IP and Modbus TCP card available; an EDS file and Rockwell AOI files are provided for the card.","Frame size A5; panel or wall mounting; spring clamp terminals; ladder programming language.","No integrated EMI filter and drive is not internally bypassed.","Input signal options: 4-20 mA, voltage, potentiometer or pulse train input; output type PWM.","For use with 3-phase induction and permanent magnet AC motors.","Item shipping weight 2.65 lb; country of origin India."],"safety_notes":["Safe Torque Off (STO) is built-in.","Enclosure IP rating IP20; operating temperature rating -20 to +50 deg C.","UL Listed, file # E198015; CE declaration available; RoHS status Yes.","Fuse type is user-supplied external fuse."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/general_purpose_vfds/gs23-21p0","title":"DURApulse AC General Purpose Drive: 230 VAC, 1hp with 3-phase input, 1/2hp with 1-phase input, (VFD) (PN# GS23-21P0) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS23-21P0_cutsheet.pdf","title":"GS23 21P0 cutsheet","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":11,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"hardware","spec":{"category":"vfd","manufacturer":"automationdirect","controllers":[],"weight_kg":1.202,"supply_voltage":"230 VAC","rated_current_a":4.8,"frame_size":"A5","output_type":"PWM output","ip_rating":"IP20","operating_temp_min_c":-20,"operating_temp_max_c":50,"joints":[],"protocols":["modbus-rtu","modbus-ascii"],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/automationdirect-gs23-21p0","license":"https://creativecommons.org/licenses/by/4.0/"}