As occurring emergency of belt conveyor machine, pull steel cord of pull cord switches to realize emergency stop or give alarm signal.
There are two model of pull cord switch, one is automatic restoration, the other one is manual restoration.
1.Aluminum alloy shell reaches high strength, lightweight, shell of pull cord switch can reach IP 67, it can be worked under extremes environment for long time.
2.Large capacity of electric shock, moves sensitive and reliable.
USAGE AND INSTALLATIONS
Install pull cord switches every 30 meters on frames of conveyor machines, linked by steel cord through ring-pull of pull cord switches, adjust proper steel cord pressure to ensure restoration of pull cord switches.
Pull cord switches are equipped three-core cable, and mark No.1, No.2 and No.3 cables. No.1 and No.2 are normal open contact, No.1 and No.3 are normal close contact, if two normal open and two normal close, please advise it before ordering.