{"id":"automationdirect-gs33-4075","model_id":"GS33-4075","name":"AutomationDirect GS33-4075","summary":"The AutomationDirect GS33-4075 is an enclosed DURApulse GS30 series AC variable frequency drive for three-phase 460 VAC input and a 75 hp motor rating. It supports SVC, V/Hz, FOC, encoder, and torque control modes and provides one RS-485 (RJ45) port and one USB B port. Modbus RTU and Modbus ASCII slave protocols are supported, and optional communication, encoder, and I/O modules are available.","study_notes":["DURApulse GS30 series drive in an enclosed frame size I housing, mounted by panel or wall.","Control modes: SVC, V/Hz, FOC, encoder, or torque.","Communication ports: one RS-485 (RJ45) and one USB B; port speed up to 115.2k baud.","Analog I/O includes 2 analog inputs with 12-bit resolution and 1 analog output with 10-bit resolution.","Discrete I/O includes 7 sinking/sourcing inputs at 24 VDC and 3 relay/sinking/sourcing outputs; one Form C relay is provided.","Carrier frequency range is 2–15 kHz; output frequency range is 0.1–599 Hz.","External dynamic braking unit required; no integrated EMI filter; not internally bypassed.","Variable torque amperage rating is 128 A.","For use with 3-phase induction and permanent magnet AC motors.","Programming language is ladder; connector type is spring clamp terminals; a user-supplied external fuse is required.","Optional communication, encoder, and I/O modules are available.","Item shipping weight is 97 lb."],"safety_notes":["Safe Torque Off (STO) is built-in.","IP20 enclosure; operating temperature range is -20 to +50 °C.","UL Listed File # E198015; CE; RoHS status is yes.","A user-supplied external fuse is required."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs33-4075","title":"DURApulse AC High-performance Drive: 460 VAC, 75hp with 3-phase input, (VFD) (PN# GS33-4075) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS33-4075_cutsheet.pdf","title":"GS33 4075 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":[],"supply_voltage":"460 VAC","rated_power_kw":55.9274904,"rated_current_a":112,"frame_size":"I","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-gs33-4075","license":"https://creativecommons.org/licenses/by/4.0/"}