When it comes to keyswitches we're all familiar with the concept, and with the typical styles available. This key switch stands out from the rest - both literally and figuratively speaking - as it's housed in a green 'break glass' callpoint style unit, which depending on your reason for considering this style, allows for a clear and obvious display of the keyswitch and can equally give a clear indication of its functionality (as part of a shut-off for an access control system or similar, for which you'd normally find green call points are fitted).
One thing that needs to be carefully considered when fitting these units is the location. You do not want to mislead or misdirect anyone in the event of an emergency, so we recommend it is made very clear that this is a shut-off device and not an emergency break glass unit. There are two ways to look at this scenario, either to keep the keyswitch out of reach and/or out of sight so it is not mistaken, or you may be more of the mindset that if it's fitted immediately alongside (or above/below) a genuine callpoint then there would be a clear distinguished difference between the two and therefore less chance of any wasted time in an emergency. In either case we would encourage a meaningful plan be considered for the fitting of these units.
To assist with identification, as with most call-point type units there is also a label space on the front of the unit which would allow for a label to be placed indicating it's a key-override facility or similar.
In terms of its operation, the key can be withdrawn in both the ON and OFF position, and offers double-pole switching, which offers the ability to either switch multiple circuits where it would be functional to do so, or indeed for safest practice with maglocks etc, where it is recommended to switch both the positive and negative cores. You will see from the up-close photo of the terminals on the back of the switch that each of the contacts are numbered 1-6, and there is an accompanying diagram noting the switching state.
|Relay Rating||5A @ 115Vac (3A @ 50Vdc Switching Resistive load)|
|Differs||200 possible key differs|
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