{"id":"automationdirect-gs33-21p0","model_id":"GS33-21P0","name":"AutomationDirect DURApulse GS33-21P0","summary":"The GS33-21P0 is an enclosed DURApulse GS30 series AC variable frequency drive rated 1 hp with a 3-phase, 230 VAC input and output. It controls 3-phase induction and permanent magnet AC motors using SVC, V/Hz, FOC, encoder or torque control modes and includes integrated dynamic braking. Setup and monitoring are done through analog and discrete I/O, an attached keypad, and an RS-485 port running Modbus RTU or ASCII slave.","study_notes":["Rated 1 hp with 3-phase input; amperage rating 5 A, variable torque amperage rating 5.2 A.","Nominal input and output voltage 230 VAC, 3 input phases and 3 output phases.","Control modes: SVC, V/Hz, FOC, encoder or torque.","Communications: (1) RS-485 (RJ45) and (1) USB B; Modbus RTU Slave and Modbus ASCII Slave at up to 115.2k baud.","Carrier frequency range 2–15 kHz; output frequency range 0.1–599 Hz.","I/O: 7 discrete inputs at 24 VDC (sinking/sourcing), 3 discrete outputs (relay/sinking/sourcing, one Form C SPDT relay, 240 VAC and 30 VDC), 2 analog inputs (12-bit, 0–20 mA / 4–20 mA, ±10 VDC) and 1 analog output (10-bit, 0–20 mA / 4–20 mA, 0–10 VDC).","Load current 3 A/point relay, 50 mA/point discrete; spring clamp terminals.","Mounting on 35 mm DIN rail, panel or wall; frame size A3.","Integrated dynamic braking; no integrated EMI filter and not internally bypassed.","Programming language Ladder; GSLOGIC drive PLC software and GSOFT2 configuration software are listed for the drive.","Optional communication, encoder and I/O modules are available.","Item shipping weight 2.58 lb; country of origin India."],"safety_notes":["Safe Torque Off (STO) is built-in.","Enclosure IP rating is IP20.","A user-supplied external fuse is required.","Operating temperature rating -20 to +50 °C.","Agency approvals: UL Listed file E198015, CE, and RoHS compliant; no UL Recognized, UL Hazardous or CSA file."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs33-21p0","title":"DURApulse AC High-performance Drive: 230 VAC, 1hp with 3-phase input, (VFD) (PN# GS33-21P0) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/GS33-21P0_cutsheet.pdf","title":"GS33 21P0 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":"230 VAC","frame_size":"A3","output_type":"PWM output","ip_rating":"IP20","operating_temp_min_c":-20,"operating_temp_max_c":50,"joints":[],"protocols":["modbus-rtu","modbus-ascii"],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/automationdirect-gs33-21p0","license":"https://creativecommons.org/licenses/by/4.0/"}