... 4.Multifunction BBQ Honeycomb Briquette MechanicalPart oneScopeBBQ Honeycomb Briquette Mechanical mainly used for punching diameter 220mm and below the ... three-phase power, is composed of the main circuit and control circuit. With a "run", "punctuality moving", "anti-jog", ... buttons normally closed contact in parallel in their respective control loop, from the disconnected self-protection role, in ...