The TE Connectivity / P&B brand part PT78603 is a General Purpose PT Series Miniature Relay. This high-quality relay is compact in size but delivers powerful performance, making it ideal for a wide range of general purpose applications. With reliable operation and durable construction, the PT78603 is sure to meet the needs of your project or application. Trust TE Connectivity / P&B for top-of-the-line products like the PT78603 relay.