{"id":"automationdirect-gs33-4040","model_id":"GS33-4040","name":"AutomationDirect GS33-4040","summary":"The GS33-4040 is a DURApulse GS30 series enclosed AC variable frequency drive sold by AutomationDirect. It takes a 460 VAC three-phase input and drives three-phase induction or permanent magnet AC motors at up to 40 hp. Control modes are SVC, V/Hz, FOC, encoder or torque, and it has an RS-485 port carrying Modbus RTU or Modbus ASCII slave.","study_notes":["Control modes: SVC, V/Hz, FOC, encoder or torque.","Horsepower rating is 40 hp with 3-phase input; amperage rating 60 A, variable torque rating 69 A.","Communication ports: (1) RS-485 (RJ45) and (1) USB B, port speed up to 115.2k baud.","I/O: 7 discrete inputs at 24 VDC (sinking/sourcing), 3 discrete outputs (relay/sinking/sourcing) rated 240 VAC and 30 VDC, one Form C (SPDT) relay.","Analog I/O: 2 input channels (12-bit, 0-20 mA / 4-20 mA or +/-10 VDC) and 1 output channel (10-bit, 0-20 mA / 4-20 mA or 0-10 VDC).","Carrier frequency range 2-15 kHz; output frequency range 0.1-599 Hz.","Integrated dynamic braking; not internally bypassed; no integrated EMI filter.","Input signal options: 4-20 mA, voltage, potentiometer or pulse train input; output is PWM.","Programming language: ladder (GSLogic drive PLC software, GSOFT2 configuration software).","Connector type: spring clamp terminals.","Item shipping weight 29.23 lb; country of origin India; keypad GS30A-KPD supplied attached to the drive.","Optional communication, encoder and I/O modules are available."],"safety_notes":["Safe Torque Off (STO) is built-in.","Enclosure type is enclosed with IP20 rating; mounting is panel or wall.","Operating temperature rating -20 to +50 deg C.","A user-supplied external fuse is required.","Agency approvals: UL Listed File # E198015, CE declaration, RoHS status Yes; no UL Recognized or UL Hazardous file, no CSA file."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs33-4040","title":"DURApulse AC High-performance Drive: 460 VAC, 40hp with 3-phase input, (VFD) (PN# GS33-4040) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS33-4040_cutsheet.pdf","title":"GS33 4040 cutsheet","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":9,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"hardware","spec":{"category":"vfd","manufacturer":"automationdirect","controllers":[],"supply_voltage":"460 VAC","frame_size":"G","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-gs33-4040","license":"https://creativecommons.org/licenses/by/4.0/"}