• Protocontrol Instruments (India) Private Limited

Pull Cord Switch With Integral Junction Box and Indicating Lamp

Pull Cord Switch, Series PC, is available with a very special system of indicating lamp along with the integral junction box. It is used to stop the conveyor belt in the case of emergency and a red LED indicating lamp is been provided, to indicate that the switch is been operated. It is a safety device which is provided with separate junction box for ease of wiring, which when operated stops the belt conveyor motor and provides audio visual alarm. The use of junction makes it easy for wiring and Led Lamps makes it easy to locate the operated switch.
Pull Cord Switch with indicating lamp enables the visual display of the operated switch even from the distance. It is housed in dust and weatherproof cast aluminium enclosure having IP65 grade of protection. Sturdy and heavy-duty cam-switch with robust contacts is used to give longer service life. Cast aluminum operating handle fitted with spring steel rings at both ends is provided for fixing the rope. The design of the rings gives maximum flexibility in operating condition. Enclosure and handle is epoxy painted to give high corrosion resistance. The switch is designed with manual reset type of mechanism.
The switch is mounted on the walkway side of the conveyor belt, preferably at about every 30 metres of length. The rope is tied to the end rings of the handle. When the rope is pulled from any side, the switch is activated. Unless and until the handle is reset to the normal position manually, the switch remains in operated condition. Standard model of Pull Cord switch with integral junction box and LED indicating lamp is been provided with 1 NO + 1 NC output contact and special model with 2NO+2NC output contacts are also available.