Relays are essential components used in many electrical and electronic systems. They serve as automatic switches, enabling one circuit to control another, often in high-voltage or high-current applications. Understanding the correct operation and maintenance of relays is crucial for ensuring their reliable performance. This guide provides an overview of relay operation, covering installation, configuration, testing, troubleshooting, and maintenance.

Types of Relays Relays come in various types, including electromagnetic, solid-state, thermal, and time-delay relays. Each type has specific applications based on its characteristics: **Electrom