Chapter 7 Shielding Installation
Mini-Switch LB 471
7.3 Pneumatic Shielding Shutter (Option)
A pneumatically operated shutter is available as a special version.
When turning on the compressed air, the locking core moves to
the “OPEN” position. In case of failure of the compressed air, the
shutter is turned by to the “CLOSED” position by a flat spiral
spring. A switching contact indicates the shutter position.
For technical details and drawings see page 132 in the Appendix.
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