Persons staying in the danger
zone of non-guarded, mobile parts of plants or machines are to be protected by safety pull-wire switches. The series ZS 71…441 meets the European Standard EN 418. A pre-streched rope marks the danger zone. The emergency stop can be actuated along the wire. In case of pulled or broken wire the electrical contacts will open by force and latch-in; they get unlatched by a push button or a key. The switch is provided with one double pole with double break, and as an EEx d IIC T6 explosion-proof model with fixed connecting cable. The ZS 71 is available with a position indicator. ZS 75S-UW is operated by a lever, the rope has 2×50 m. It is made for high temperature variation.
Steute Schmersal
Fax: ++49/5731/745-200
Further information cpp-226
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