{"id":"automationdirect-gs33-2040","model_id":"GS33-2040","name":"AutomationDirect DURApulse GS33-2040","summary":"The GS33-2040 is a DURApulse GS30 series enclosed AC variable frequency drive rated 40 hp with three-phase 230 VAC input and output. It controls three-phase induction and permanent magnet AC motors using SVC, V/Hz, FOC, encoder or torque control modes. It has an RS-485 (RJ45) port and a USB B port, with Modbus RTU or Modbus ASCII slave communication, and requires an external dynamic braking unit.","study_notes":["Series: GS30; controller type: high-performance; frame size I.","Input and output voltage 230 VAC, three input phases and three output phases.","Amperage rating 120 A; variable torque amperage rating 134 A.","Control modes: SVC, V/Hz, FOC, encoder or torque.","Carrier frequency range 2-15 kHz; output frequency range 0.1-599 Hz.","Communication: (1) RS-485 (RJ45) and (1) USB B; port speed up to 115.2k baud; Modbus RTU Slave and Modbus ASCII Slave.","Discrete I/O: 7 sinking/sourcing inputs at 24 VDC and 3 relay/sinking/sourcing outputs rated 240 VAC and 30 VDC; one Form C (SPDT) relay; load current 3 A/point relay, 50 mA/point discrete.","Analog I/O: 2 input channels (0-20 mA, 4-20 mA, +/-10 VDC, 12-bit) and 1 output channel (0-20 mA, 4-20 mA, 0-10 VDC, 10-bit).","Input signal options: 4-20 mA, voltage, potentiometer or pulse train; output type PWM.","Reverse capability built-in; integrated EMI filter: no; internally bypassed: no.","Programming language: ladder; connector type: spring clamp terminals.","Optional communication, encoder and I/O modules are available."],"safety_notes":["Safe Torque Off (STO) is built-in.","An external dynamic braking unit is required.","Fuse type: user-supplied external fuse.","Temperature rating -20 to +50 deg C.","Enclosure type enclosed, IP20; mounting panel or wall.","UL Listed File # E198015; CE declaration available; RoHS status yes."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs33-2040","title":"DURApulse AC High-performance Drive: 230 VAC, 40hp with 3-phase input, (VFD) (PN# GS33-2040) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS33-2040_cutsheet.pdf","title":"GS33 2040 cutsheet","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":12,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"hardware","spec":{"category":"vfd","manufacturer":"automationdirect","controllers":[],"weight_kg":38.1018,"supply_voltage":"230 VAC","rated_power_kw":29.828,"rated_current_a":120,"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-gs33-2040","license":"https://creativecommons.org/licenses/by/4.0/"}