Siemens 3RF2420-1AC45 Sirius Semiconductor Relay Current Load 20A

AC - Alternating Current

Heat - A term used to define thermal energy

Quick - Something that is fast

Optimised - When a situation or item is improved or performance increased.

Voltage - A measurement of volts.

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

Convenient - Something that suits and fits well to other activities.

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