Crydom MCPC4825C Solid State Relay 530VAC 25A Max, 8-32VDC Control...

DC - Direct Current

AC - Alternating Current

Heat - A term used to define thermal energy

Analogue - A continuous signal in time with fluctuations in a measurable parametre to provide a signal

Fire - the release of energy through heat and light.

Voltage - A measurement of volts.

Solid - Something that is firm and not liquid, a hard shape that cannot be changed easily.

Performance - When someone is presenting a form of entertainment, also how well someone is doing within a role.

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