The 1389103500 is produced by LS Electric and is described as a LSIS 1389103500 MR4-31-MD-E

ADDITIONAL DESCRIPTION # AC General Purpose Contactors The **LSIS 1389103500 MR4-31-MD-E** AC General Purpose Contactor is a high-performance electrical component designed for a multitude of industrial applications. Engineered by LSIS, a leader in electric power solutions and industrial automation, this contactor provides reliable control over electrical loads, ensuring efficient operation in various environments. ## Key Features • **High Switching Capacity**: Supports up to 37 kW, making it suitable for controlling large motors and heavy electrical loads. • **Compact Design**: Engineered with a space-saving footprint, allowing for easy installation in limited spaces. • **Durable Construction**: Built with high-quality materials to withstand harsh operational conditions and ensure longevity. • **Versatile Voltage Range**: Operates effectively across a wide voltage range (AC 230V to 400V), enhancing compatibility with various electrical systems. • **Efficiency and Safety**: Features built-in protection mechanisms to prevent overloads and short circuits, ensuring safe operation. ## Applications • **Industrial Automation**: Ideal for use in automated systems, including conveyor belts, pumps, and fans. • **HVAC Systems**: Perfectly suited for controlling air conditioning units and heating equipment in commercial and industrial settings. • **Motor Control**: Effectively manages motor start and stop functions in various machinery and equipment, contributing to energy efficiency. • **Compatibility**: Designed for seamless integration into existing electrical systems, facilitating easy upgrades and replacements. ## Benefits • **Increased Efficiency**: Enhances operational efficiency by providing reliable and precise control over electrical loads. • **Cost-Effective**: Reduces maintenance and operational costs through durability and reliable performance, minimizing downtime. • **Trusted Brand Quality**: Backed by LSIS's reputation for innovation and excellence in electrical solutions, ensuring peace of mind for users. --- *Product information compiled with AI assistance for reference purposes.*