EMI (Electromagnetic Interference) power line filter.

The EMI (Electromagnetic Interference) power line filter is a unit specifically designed to reduce electromagnetic interference in power lines. Manufactured by EMI, this filter effectively eliminates or minimises the effects of electromagnetic interference on the power supply, ensuring a more reliable and stable electrical system. It is ideal for use in various industrial and commercial settings where electrical equipment is sensitive to interference, helping to prevent issues such as noise, disruptions, and potential damage to equipment.

eBay