22,5mm ket switch with ejecting key

rQx · Mar 22, 2023

Hi,
I found out that Allen Bradley had a key switch with a ejecting key function, the sensEject. But it is discontinued. I've failed to google another solution, does anyone know of a brand that has this? Or another solution for avoiding people letting the key stay in the switch.
/Tim

jraef · Mar 22, 2023

Siemens used to.

I_Automation · Mar 22, 2023

A hinged cover over the switch that won't close with the key in and a proxy sensor to know it is closed.

Sort of like the ARM cover over a jet fighter FIRE button

rQx · Mar 22, 2023

jraef said:
Siemens used to.

Searched a bit and found a siemens product that said "key-monitoring" I can for my life not find what it means

rQx · Mar 22, 2023

I_Automation said:
A hinged cover over the switch that won't close with the key in and a proxy sensor to know it is closed.

Sort of like the ARM cover over a jet fighter FIRE button

Rockwell has one cover 800F-AL01

I_Automation · Mar 22, 2023

rQx said:
Rockwell has one cover 800F-AL01

That's designed to lock an operator, but adding a proxy or magnetic switch to know it's closed shouldn't be difficult.

rQx · Mar 22, 2023

I_Automation said:
That's designed to lock an operator, but adding a proxy or magnetic switch to know it's closed shouldn't be difficult.

Not difficult but I wan't a more professional solution

I_Automation · Mar 22, 2023

I found these, you can't leave the round safety keys in - the pins push them out

rQx · Mar 22, 2023

I_Automation said:
I found these, you can't leave the round safety keys in - the pins push them out

Good find but would like to go for a known brand

I_Automation · Mar 22, 2023

A lot of places make round key switches

Search Elevator Control Key Switch

That's where the one I linked came up

Just know most of them are 3 position where the key can't be removed to the left, but if you only need a 2 position switch monitor and make sure the key is NOT left

rQx · Mar 22, 2023

I_Automation said:
A lot of places make round key switches

Search Elevator Control Key Switch

That's where the one I linked came up

Not with key ejection made for industrial control. Like rockwell 800F series, Siemens ACT and Schneider harmony

22,5mm ket switch with ejecting key

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