{"id":"automationdirect-gs4-4150","model_id":"GS4-4150","name":"AutomationDirect GS4-4150","summary":"The GS4-4150 is a DURApulse GS4 series AC variable frequency drive in an open-frame E frame. It accepts 460 VAC three-phase input and controls three-phase induction motors at up to 150 hp using SVC or V/Hz control. It includes RS-485 communications, analog and discrete I/O, and built-in Safe Torque Off (STO).","study_notes":["Control mode is SVC or V/Hz.","Variable-torque current rating is 220 A.","Carrier frequency range is 2–15 kHz; output frequency range is 0.1–599 Hz.","The RS-485 port uses an RJ12 connection and supports up to 115.2k baud.","The RS-485 port also lists BACnet support.","Optional EtherNet/IP and Modbus TCP cards are available.","Analog I/O includes 3 input channels with 11-bit resolution and 2 output channels with 10-bit resolution.","Discrete I/O includes 8 sinking/sourcing inputs at 24 VDC and 4 relay/sinking/sourcing outputs.","Input signals include 4–20 mA, voltage, or potentiometer input.","Programming language is ladder; connector type is screw terminals.","The drive is intended for 3-phase induction motors.","Enclosure is open frame; IP ratings are stated as IP00 and IP20."],"safety_notes":["Safe Torque Off (STO) is built in.","An external dynamic braking unit is required.","A user-supplied external fuse is required.","The drive is UL Listed under file E198015; RoHS status is Yes and CE declarations are available.","The drive has an open-frame enclosure with stated IP00 and IP20 ratings."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs4-4150","title":"DURApulse AC High-performance Drive: 460 VAC, 150hp with 3-phase input, (VFD) (PN# GS4-4150) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS4-4150_cutsheet.pdf","title":"GS4 4150 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":76.20351816,"supply_voltage":"460 VAC","rated_power_kw":111.8549808,"rated_current_a":209,"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-gs4-4150","license":"https://creativecommons.org/licenses/by/4.0/"}