{"id":"automationdirect-gs4-2075","model_id":"GS4-2075","name":"AutomationDirect GS4-2075","summary":"The GS4-2075 is a DURApulse GS4 series AC variable frequency drive in an open-frame E frame. It accepts 230 VAC input, with ratings of 75 hp for 3-phase input and 20 hp for 1-phase input, and uses SVC or V/Hz control. It provides an RS-485 port for Modbus RTU, Modbus ASCII and BACnet communication, and optional EtherNet/IP and Modbus TCP cards are available.","study_notes":["Input and output voltage are 230 VAC; input accepts 3-phase or 1-phase, output is 3-phase.","Power rating is 75 hp with 3-phase input and 20 hp with 1-phase input.","Current rating is 204 A with 3-phase input and 65 A with 1-phase input; variable torque rating is 215 A.","Control mode is SVC or V/Hz.","Integrated EMI filter: no.","RS-485 (RJ12) port supports Modbus RTU, Modbus ASCII and BACnet at up to 115.2k baud.","Optional EtherNet/IP and Modbus TCP cards are available.","External dynamic braking unit required.","Carrier frequency range is 2–15 kHz; output frequency range is 0.1–599 Hz.","I/O includes 3 analog inputs, 2 analog outputs, 8 discrete inputs and 4 discrete outputs.","Discrete outputs include two Form C (SPDT) relays; load current is 3 A/point relay and 50 mA/point discrete.","Programming language is ladder; the unit is open-frame and wall-mounted."],"safety_notes":["Built-in Safe Torque Off (STO).","UL Listed File # E198015; CE declaration; RoHS compliant.","No UL Recognized, UL Hazardous or CSA file number is stated.","IP rating is stated as IP00 and IP20.","User-supplied external fuse required."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs4-2075","title":"DURApulse AC High-performance Drive: 230 VAC, 75hp with 3-phase input, 20hp with 1-phase input, (VFD) (PN# GS4-2075) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS4-2075_cutsheet.pdf","title":"GS4 2075 cutsheet","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":8,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"hardware","spec":{"category":"vfd","manufacturer":"automationdirect","controllers":[],"supply_voltage":"230 VAC","frame_size":"E","output_type":"PWM output","operating_temp_min_c":-10,"operating_temp_max_c":50,"joints":[],"protocols":["modbus-rtu","modbus-ascii"],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/automationdirect-gs4-2075","license":"https://creativecommons.org/licenses/by/4.0/"}