Emergency Stop Switch

Protocontrol offers emergency stop switch for conveyor: belt sway switch series: bs to stop the conveyor belt & to indicate the fault when the conveyor belt sways beyond limit. The switch allows smooth running of the conveyor
& protects it from damages by over swaying. Over swaying can occur due to uneven loading of material, worn out idler roller bearings etc.
the switch is housed in dust & weatherproof cast aluminum enclosure with ip 65 grade of protection. Special corrosion free dmc enclosure is also developed for use in seashore, saline atmosphere. The
stainless steel sleeved contact roller is supported on pre lubricated sealed ball bearings. this assures smooth operation of the roller over a long period of time. Switch mechanism is of self reset type. the
enclosure is epoxy painted to withstand harsh climate.
belt sway switches are to be mounted along the sides of the conveyor belt. Ideal gap between two switches is 30 meters. Small clearance is kept between roller and belt edge to allow belt for some sway.
when the belt sways it torches the roller and switch is actuated. The contacts are wired in interlocking circuit to trip the conveyor. The switch is normal action spring return type.
following models are available “
bs 101: belt sway switch with 1 no + 1 nc contact
bs 202: belt sway switch with 2 no + 2 nc contact
all above switch are field mounting having ip 65 enclosure, available in various enclosures materials to suite site conditions:
c: cast aluminum, d: corrosion resistance dmc / frp, ci: cast iron, f: flameproof
optional accessories:
ts: with terminal strip inside the switch
jb: with separate junction box with terminal strip for ease of termination
il: indicating lamp for location indicator of operated switch
cg: cable gland
bp: base plate