Key switches are used to monitor the state of closing of covers such as: hinged, sliding doors, gates. When opening the cover, the key is removed from the switch causing forced opening of the contacts. Depending on the used architecture and the safety relay, the switches can be used in systems meeting the requirements of category 4, Ple and SIL3.
Casing material | Polyester filled with glass or stainless steel | ISO 13849-1 | to Ple, up to category 4 |
Degree of protection | IP67 (NEMA6) | B10d | 2,5 x 106 operations (100mA) |
Cable connection | M20, ½” NPT, QC | PFHd | 3,44 x 10-8 |
Operating temperature | -25°C to +80°C | MTTFd | 356 years |
Maximum contact current | 10A | EX versions | II 2G Ex IIC T6 |
Mechanical durability | 1 000 000 mln operations | II 2D Ex IP67 T80oC | |
Mounting | 2x M4 screw |
Choose the key switch or hinge that interests you and read the detailed product description: