Time delay relays are electronic devices that introduce a time delay in the operation of electrical circuits. They are commonly used in industrial automation, control systems, and various applications where timed control or sequencing of events is required. Time delay relays provide a delay between the application or removal of a control signal and the activation or deactivation of the connected load. They enable precise timing control, automation of processes, and protection against undesirable conditions by introducing delays in electrical circuits. A full line of industry standard time delay relays are manufactured under the "Signaline" trade name.