Some common types of circuit protection devices include fuses, circuit breakers, surge protectors, and varistors.

A fuse is a tiny device that breaks the circuit when there is an overload of current, thus protecting the system from damage.

A circuit breaker is an automatic device that interrupts an electrical circuit when there's an overload or short circuit, protecting the electrical system from damage.

A surge protector is a device that protects electrical and electronic equipment from power surges, voltage spikes, and other similar events that can damage the equipment.

A varistor is an electronic component used to protect circuits from overvoltage conditions by limiting the voltage that passes through it when a surge occurs.

A thermal fuse is a safety device that interrupts the flow of electricity when the device containing it overheats, preventing a fire or other damage.

A GFCI (Ground Fault Circuit Interrupter) is a safety device that shuts off electrical power when it detects a ground fault, protecting people from electrical shock.

Circuit protection devices work by monitoring the flow of electricity through a circuit and reacting to abnormal conditions, such as overloads, short circuits, or voltage spikes.

An overcurrent protection device is a type of circuit protection device that interrupts the flow of electricity when there is an overcurrent in the circuit, thus protecting the system from damage.

A transient voltage suppressor is an electronics component used to protect circuits from voltage transients by clamping the voltage across it and limiting the voltage that passes through the circuit.

A ground fault occurs when current from an electrical circuit flows through a person's body to the ground, potentially causing serious injury or death.

A time-delay fuse is a type of fuse that is designed to withstand temporary overloads, like those that can occur when an appliance is first turned on, while still protecting the circuit from permanent damage.

An arc fault is a dangerous electrical discharge that can occur when current jumps across a gap between two conductors or an insulation breakdown, potentially causing a fire or other damage.

A battery protection circuit is a circuit that monitors the voltage and current of a battery and prevents it from overcharging, over-discharging, or short-circuiting, thus protecting the battery from damage and prolonging its lifespan.

A power strip surge protector is a type of surge protector that is built into a power strip, providing multiple outlets for devices while also protecting them from power surges and voltage spikes.

A crowbar circuit is a simple circuit that detects an overvoltage condition and shorts out the circuit, protecting the components from damage.

A MOV (Metal-Oxide Varistor) is a type of voltage-dependent resistor used to protect circuits against voltage surges and transients, by clamping the voltage across it and limiting the voltage that passes through the circuit.

An ESD (Electrostatic Discharge) protection circuit is a circuit that protects electronic components from electrostatic discharge, which can cause damage to sensitive electronic parts.

A motor overload protector is a device that protects an electric motor from damage due to overloads or overheating, by interrupting the flow of electricity to the motor when it exceeds a certain level.