ATV71HU55M3S337 Schneider Electric Variable Frequency Drives (VFD)

Schneider Electric ATV71HU55M3S337 is a Variable Speed/Frequency Drive (VSD/VFD) / Inverter from the Altivar 71 series designed for variable speed and frequency control with a U/F ratio of 2 points / 5 points. It features sensorless flux vector control, ENA System, and vector control with or without speed feedback, capable of delivering 220% of the nominal motor torque for 2 seconds and 170% of the nominal motor torque for 60 seconds. This model comes with a built-in EMC filter, built-in heatsink, and a coated version for enhanced durability. It operates on a supply voltage of 170-264Vac (200Vac / 220Vac / 230Vac / 240Vac nom.) and has dimensions of H295mm x W175mm x D187mm. The drive is chemically resistant with a conformal coating (reinforced version) and has a degree of protection of IP20 UL type 1. It supports a rated current of 27.5A (230Vac; 4kHz; 3-phase), 17.5A (230Vac; 4kHz; single-phase), with maximum currents of 28.8A (single-phase; for 2s), 45.3A (3-phase; for 2s), and 26.3A (single-phase; for 60s), 413A (3-phase; for 60s). Designed for wall mounting, it uses Modbus and CANopen communication protocols and can operate on single-phase (1P) or 3-phase (3P) networks with an output frequency range of 0.1-599 Hz. The drive includes 1 analog output (0-10Vdc / 0-20mA), 5 digital inputs (24Vdc; sink/source) programmable (LI1-LI5), 1 digital input programmable as discrete or PTC input (LI6), 1 PWR safety input, 1 digital output (C/O SPDT relay contact) (R1), and 2 digital outputs (NO relay contacts) (R2), along with 1 analog input (-10...+10Vdc) and 1 analog input (0-10Vdc / 0-20mA). Its current consumption is specified as 34.9A (200Vac; 4kW; single-phase), 35A (200Vac; 5.5kW; 3-phase), 29.9A (240Vac; 4kW; single-phase), and 30.8A (240Vac; 5.5kW; 3-phase), with a rated active power of 5.5kW (3-phase) and 4kW (single-phase), equivalent to 7.5HP / 7-1/2HP (3-phase) and 5HP (single-phase).

About the manufacturer: Schneider Electric is one of the manufacturers that offers Variable Frequency Drives (VFD) that you can order at Powermatic Associates site. We provide digital solutions for energy and automation that improve efficiency and support sustainability. Our comprehensive solutions include cutting-edge energy technologies, real-time automation, software, and services for residential, commercial, and industrial settings.

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