Schneider Electric ATV61HD55N4 Variable Speed Drive Product Description

Product Overview

Schneider Electric ATV61HD55N4 is a high‑performance variable speed drive from the Schneider Electric Altivar 61 series, designed for pump, fan and fluid‑handling asynchronous motor control. This Schneider Electric variable speed drive supports 55 kW (75 HP) motor rating with three‑phase 380‑480 V AC power supply, built‑in Level 3 EMC filter for industrial electromagnetic compatibilitydocs.rs-on.... The Schneider Electric ATV61HD55N4 variable speed drive adopts IP20 cabinet‑mount construction, suitable for installation inside standard electrical cabinets for industrial automation projects. As a mature Schneider Electric variable speed drive unit, ATV61HD55N4 delivers energy‑saving speed regulation for HVAC and process equipment, and it still serves widely as spare‑part replacement for existing Altivar 61 installations.

Core Technical Characteristics

Schneider Electric ATV61HD55N4 variable speed drive integrates optimized heat‑sink structure to sustain continuous heavy‑duty operation in cabinet environments. This Schneider Electric variable speed drive provides adjustable switching frequency from 1 kHz up to 16 kHz, enabling low‑noise motor running for comfort‑critical sitesdocs.rs-on.... Schneider Electric ATV61HD55N4 variable speed drive supports multiple control modes including U/f quadratic energy‑saving curve and sensor‑less flux vector control for asynchronous motors. The Schneider Electric ATV61HD55N4 variable speed drive comes with native Modbus and CANopen communication ports, and accepts optional expansion cards for Profibus‑DP and multi‑pump control functionsdocs.rs-on.... This Schneider Electric variable speed drive offers comprehensive hardware protection and meets global IEC industrial standards for plant‑floor deployment.

Main Functional Features

Schneider Electric ATV61HD55N4 variable speed drive achieves flexible speed and torque adjustment for fan and pump motors to cut down system energy consumption. This Schneider Electric variable speed drive carries built‑in application macros optimized for pumping and ventilation workflows, shortening on‑site commissioning time. Schneider Electric ATV61HD55N4 variable speed drive provides rich protective logics including over‑current, over‑voltage, under‑voltage, over‑temperature and motor thermal overload protection to safeguard both motor and variable speed drive hardware. The Schneider Electric ATV61HD55N4 variable speed drive supports multi‑pump sequential control logic to manage multiple parallel pump units for water‑supply systems. This Schneider Electric variable speed drive transfers real‑time operating data, fault codes and status signals to upper‑level PLC or DCS systems via industrial fieldbus for remote monitoring and diagnosis.

Typical Application Scenarios

Schneider Electric ATV61HD55N4 variable speed drive is widely applied in water treatment plants, building HVAC systems, chemical process facilities and industrial cooling stations. This Schneider Electric variable speed drive is mainly used for centrifugal pumps, large‑size fans and compressors inside process automation systems. Schneider Electric ATV61HD55N4 variable speed drive fits equipment renovation, cabinet retrofit and spare‑part replacement of legacy Altivar 61 drive systems. For sites pursuing energy‑efficient fluid transportation, the Schneider Electric variable speed drive stabilizes motor running speed according to actual process demand and reduces unnecessary power waste.

Installation & Maintenance Notes

Operators shall follow official Schneider Electric hardware manuals when installing Schneider Electric ATV61HD55N4 variable speed drive. Ensure sufficient convection cooling space around this Schneider Electric variable speed drive to avoid overheating inside enclosed cabinets. Perform complete wiring inspection before power‑on commissioning of ATV61HD55N4 variable speed drive. Periodically clean heat sinks and cooling fans of the Schneider Electric variable speed drive in dusty industrial environments. Confirm exact part number ATV61HD55N4 during spare‑part swap‑out to guarantee full compatibility with existing motor and control system configurations.