The text on the relay indicates it is a "SEALED CONTACT REED RELAY" with "TYPE ERP. PT. No.A 33873/04T" and was made by "ELLIOTT BROTHERS (LONDON) LTD Elliot Brothers (London) LTD Sealed Contact Reed Relay is a reliable and high-quality electronic component suitable for a range of industrial and business applications. Made by the reputable brand Elliot Brothers, this contact reed relay is designed to provide a secure and efficient switching mechanism for electrical circuits. The sealed construction ensures protection against dust and moisture, making it ideal for use in challenging environments. With its durable construction and trusted brand, this relay offers peace of mind for a variety of commercial and industrial settings.