{"id":"automationdirect-gs4-4100","model_id":"GS4-4100","name":"AutomationDirect GS4-4100","summary":"The GS4-4100 is a DURApulse GS4 series AC high-performance variable frequency drive rated 100 hp with 460 VAC three-phase input. It controls three-phase induction motors in sensorless vector (SVC) or V/Hz mode and has an RS-485 (RJ12) port for Modbus RTU, Modbus ASCII or BACnet. The open-frame D-frame unit is panel or wall mounted and includes a built-in keypad, ladder-logic programming and Safe Torque Off.","study_notes":["Control mode is SVC (sensorless vector control) or V/Hz.","Input and output are both three-phase at 460 VAC nominal.","Amperage rating is 143 A; variable torque amperage rating is 150 A.","RS-485 (RJ12) port runs Modbus RTU, Modbus ASCII and BACnet at up to 115.2k baud.","BACnet is named in the document but has no matching protocol entry in this reference list.","Optional EtherNet/IP and Modbus TCP cards are available; an EDS file and a Rockwell AOI are provided for the EtherNet/IP card.","Enclosure is open frame; IP ratings are stated as IP00 and IP20.","Output frequency range 0.1-599 Hz; carrier frequency range 2-15 kHz.","Analog I/O: 3 input channels (11-bit resolution) and 2 output channels (10-bit resolution).","Discrete I/O: 8 sinking/sourcing 24 VDC inputs and 4 relay/sinking/sourcing outputs (Form C SPDT relays).","Embedded PLC is programmed in ladder (GSLOGIC software); drive configuration uses GSOFT2.","Shipping weight is listed as 130 lb; agency compliance is UL Listed File E198015, CE and RoHS."],"safety_notes":["Safe Torque Off (STO) is built-in.","A user-supplied external fuse is required.","An external dynamic braking unit is required; the drive is not internally bypassed.","Operating temperature range is -10 to +50 °C.","The drive is open frame (IP00) construction.","Only 3-phase induction motors are listed as the intended load."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs4-4100","title":"DURApulse AC High-performance Drive: 460 VAC, 100hp with 3-phase input, (VFD) (PN# GS4-4100) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS4-4100_cutsheet.pdf","title":"GS4 4100 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":[],"weight_kg":58.967,"supply_voltage":"460 VAC","rated_power_kw":74.57,"rated_current_a":143,"frame_size":"D","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-gs4-4100","license":"https://creativecommons.org/licenses/by/4.0/"}