{"id":"automationdirect-gs4-4040","model_id":"GS4-4040","name":"AutomationDirect DURApulse GS4-4040","summary":"The GS4-4040 is a DURApulse GS4 series AC variable frequency drive from AutomationDirect. It accepts 460 VAC three-phase input and is rated 40 hp, using either sensorless vector control (SVC) or V/Hz control mode. It is a NEMA 1, IP20, frame C unit for panel or wall mounting, with an RS-485 (RJ12) port, integrated dynamic braking and built-in Safe Torque Off.","study_notes":["Rated 40 hp with 3-phase input; amperage rating 57 A, variable torque amperage rating 60 A.","Control modes: SVC or V/Hz; output frequency range 0.1-599 Hz; carrier frequency 2-15 kHz.","Frame size C; mounting is panel or wall; enclosure type NEMA 1.","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 (not built in).","I/O: 8 discrete inputs at 24 VDC (sinking/sourcing), 4 discrete outputs rated 240 VAC and 48 VDC (relay/sinking/sourcing) with two Form C (SPDT) relays; 3 analog inputs (0-20 mA, 4-20 mA, +/-10 VDC) and 2 analog outputs (0-20 mA, 4-20 mA, 0-10 VDC).","Input resolution 11-bit; output resolution 10-bit; load current 3 A/point relay, 50 mA/point discrete.","Programming language: ladder (GSLOGIC drive PLC software, GSOFT2 configuration software).","Connection type: screw terminals; intended for 3-phase induction motors.","Shipping weight 23.8 lb; country of origin India; HS code 8504.40."],"safety_notes":["Safe Torque Off (STO) is built-in.","Requires a user-supplied external fuse.","Operating temperature rating -10 to +50 deg C.","NEMA 1 enclosure, IP20: protects against finger contact, not against dust or water.","UL Listed File # E198015; CE declaration available; RoHS compliant."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs4-4040","title":"DURApulse AC High-performance Drive: 460 VAC, 40hp with 3-phase input, (VFD) (PN# GS4-4040) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS4-4040_cutsheet.pdf","title":"GS4 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, 3-phase","frame_size":"C","output_type":"PWM output","ip_rating":"IP20","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-gs4-4040","license":"https://creativecommons.org/licenses/by/4.0/"}