Saray relay na luluganan et nayarin iklasipika ed taloran klase unong ed prinsipyo na pantratrabaho ra: electromagnetic, solid-state, tan hybrid. Saray electromagnetic relays et manguusar na electromagnetic coil pian makagawa na magnetic field ya mamaandar ed saray contact; simpli so istruktura ra balet ta matantan so panaon na ebat da (manga 10-30ms). Saray solid-state relay et manguusar na semiconductor devices (singa say MOSFETs) pian nagawaan so contactless switching, ya say response times et onabot ed microsecond levels, balet mas atagey so gastos. Saray hybrid relays et mankokombina na saray bentaha na duaran klase tan matukoy parad saray senaryo na high-frequency switching.
Saray automotive control relays et manunan kabiangan na automotive electronic control systems, ya tugyopen na control system tan sakey a kontroladon sistema. Sarayan kagawaan et manguusar na prinsipyo na electromagnetic induction pian nakontrol so angkakabaleg iran kuryente ya walaan na melag iran kuryente. Bilang sakey ed saray sankalaknaban ya uusaren ya electronic components ed luluganan, saratan so malaknab ya uusaren ed saray kagawaan na luluganan a singa say headlights, wipers, starters, tan air conditioning systems, ya say sankamundoan ya pankaukolan et masulok ya 1 bilyon ya yunit ed tinaon.
Saray domestic automotive control relays et manunan naapag ed duaran kategorya unong ed saray luluganan ya uusaren da: say sakey et saray relays ya ginawa unong ed saray luluganan ed Europa, ya manunan uusaren ed saray luluganan ya manguusar na teknolohiya na Germany tan France; say sananey et saray relay ya ginawa unong ed saray kotse na Hapon, ya manunan uusaren ed saray modelo na Hapon.
