Ingersoll Rand Sierra SL45 Oil-Free Screw Air Compressor

Ingersoll Rand Sierra SL45 Oil-Free Screw Air Compressor. Equipped with a two-stage oil-free screw airend to deliver clean compressed air and reduce the risk of oil contamination in production processes. The Sierra 37-75 kW is a reliable fixed-speed oil-free screw compressor designed for customers who require stable, high-quality compressed air, efficient operation, and dependable performance. Uses a high-efficiency 380-415V/3Ph/50Hz IE4 motor with TEFC protection, helping improve operating efficiency and reduce energy consumption. The two-stage compression design improves compression efficiency and supports stable air delivery under demanding operating conditions. Designed for applications with relatively stable air demand, providing consistent output and dependable operation. Built-in automatic start/stop control helps reduce unnecessary running time and supports more efficient daily operation. Available in both air-cooled and water-cooled configurations, with aftercooler and moisture separator to meet different installation and site requirements. Features the Luminance energy-saving controller with bilingual Chinese/English display and an easy-to-use interface for convenient operation and monitoring. Supports Modbus RTU communication via RS485 serial port and comes with standard IoT functionality, enabling easier integration into plant monitoring systems. Designed with a low-noise enclosure, with sound level around 79 dB(A), helping improve the working environment.