Overcurrent relay
An overcurrent relay is a type of protective relay that is designed to detect and respond to excessive current in an electrical circuit. It is one of the most commonly used relays for protecting equipment …
Types of Protective Relay
Protective relays are devices used in electrical systems to detect abnormal conditions, such as faults or abnormalities, and initiate appropriate actions to protect the equipment and ensure the safe operation of the system. There are …
Differential Protective Relay
Differential protective relay is a type of protection device used to detect and protect against faults in an electrical system. It is specifically designed to monitor the difference in current or voltage between two or …
Mercury relay
A Mercury relay is an electrical switching device that uses mercury as a medium to make or break an electrical circuit. It consists of a glass or metal capsule containing a drop of mercury and …
Latching Relay
A latching relay, also known as a bistable relay or a keep relay, is a type of relay that maintains its state or position after being activated by a momentary input pulse. Unlike standard relays …
Time Delay Relay
A time delay relay, also known as a timer relay or time delay switch, is an electrical device that introduces a time delay before activating or deactivating a circuit. It is commonly used in various …
Thermal Overload Relay
A thermal overload relay is a protective device used in electrical systems to monitor and protect electric motors from overheating due to excessive currents or prolonged operation. It works by measuring the motor’s current and …
Solid State Relay
A solid-state relay (SSR) is an electronic switching device that performs the same function as an electromagnetic relay, but without any moving parts. It uses semiconductor devices such as thyristors (SCRs), triacs, or transistors to …
Reed Relay
A reed relay is a type of electrical relay that utilizes reed switches as its switching mechanism. It combines the principles of a reed switch and a relay, providing the benefits of both components. Reed …
Reed Relay switch
A reed relay is a type of relay that uses reed switches as its switching elements. Reed switches are small, hermetically sealed glass tubes containing two ferromagnetic reeds with contacts at their ends. When a …