This delay relay is designed to operate with a 24V power supply and has a double pole single throw configuration. It has a delay time of 10 to 120 seconds and can handle up to 30 amps of current. This makes it an ideal component for HVAC systems that require a delay in the activation or deactivation of certain components. The Trane RLY1039 is a reliable and durable option for HVAC service technicians looking for a high-quality delay relay.