Kufotokozera Kwachidule:

Mphamvu yamagetsi ya undervoltage shunt release (Ue) ndi 230V kapena 400V. Kumene kunja

mphamvu yamagetsi imasinthasintha pakati pa 35% Ue, kutulutsidwa kwa shunt kumatha kulepheretsa wophwanya dera

kutseka; ndi pomwe magetsi akunja amasinthasintha pakati pa 85% Us ndi 110% Us, shunt

kumasulidwa kungathe kutsimikizira kutseka kwa circuit breaker.