{"id":"automationdirect-gs4-4300","model_id":"GS4-4300","name":"AutomationDirect GS4-4300","summary":"The GS4-4300 is a DURApulse GS4 series AC variable frequency drive in an open-frame, G-frame package. It accepts a 460 VAC three-phase input and is rated at 300 hp, using SVC or V/Hz control. It provides an RS-485 port for Modbus RTU, Modbus ASCII, and BACnet communication and drives three-phase induction motors.","study_notes":["Control modes: SVC or V/Hz.","Rated input current: 437 A; variable torque rating: 460 A.","Output frequency range: 0.1–599 Hz; carrier frequency range: 2–15 kHz.","RS-485 port uses an RJ12 connection and supports up to 115.2k baud.","Port protocols: Modbus RTU, Modbus ASCII, and BACnet.","Optional EtherNet/IP and Modbus TCP cards are available; these are not listed as built-in.","Integrated EMI filter: No.","External dynamic braking unit is required.","I/O: 3 analog inputs, 2 analog outputs, 8 discrete inputs, 4 discrete outputs; 2 Form C (SPDT) relays.","Programming language: ladder.","For use with 3-phase induction motors.","IP rating is stated as IP00 and IP20; enclosure is open frame and wall mounted."],"safety_notes":["Built-in Safe Torque Off (STO).","UL Listed File # E198015; CE declarations available; RoHS status: Yes.","Operating temperature range: -10 to +50 °C."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs4-4300","title":"DURApulse AC High-performance Drive: 460 VAC, 300hp with 3-phase input, (VFD) (PN# GS4-4300) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS4-4300_cutsheet.pdf","title":"GS4 4300 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","rated_current_a":437,"frame_size":"G","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-gs4-4300","license":"https://creativecommons.org/licenses/by/4.0/"}