Emergency Stop

[kojakb]

I need to wire a "metal work" section of a garage.

On a Ring, the mechanic would like to have Emergency Stop buttons above every socket outlet. Thus if any Power tool is being used, they can cut the power.

What is the best way of doing this ??

 

[ricicle]

Feed the Ring Final Circuit via a contactor.Actuating any E.Stop will drop out the contactor.Use a reset button to re-energise the contactor thus giving a definate action to prevent unexpected energisation.
This can be quite involved for anyone not familiar with electrical work.If you have any doubts as to your ability to do this job then seek the services of a competant electrician.

 

[kojakb]

I am.

 

[ricicle]

You am what?

 

[kojakb]

An Electrician. Just not overally familiar with Contactors

I was thinking I could use a MSU Pushbutton Control Unit, but was unsure if this would work in a ring !? Or if every socket would need to be on its own Radial Supply, thus merely an ingoing supply.

 

[ricicle]

This is how I would do it -

32A protective device at DB.Out from there in 4mm² to topside of a suitably rated contactor positoned next to the DB.Out from bottom side of contactor with Ring Final Circuit conductors (or 4mm² radial)
Feed a small in-line fuse (say 2A(T)) from phase topside side of contactor and then run 1.5mm² from fuse in series around all E.Stops (N/C) and back to one side of a reset button (N/O)on contactor enclosure.Wire from other side of reset contact to A1coil on contactor.Parallel wires from Aux. N/O contacts on contactor to reset button terminals.Neutral topside wire to A2coil on contactor.

Use latching E.Stops and maybe use a keyswitch as the reset to prevent unauthorised reseting

Job done.

 

[kojakb]

Wanna email me a wiring diagram ?!?

 

[RF Lighting]

You could do the job for him too Ricicle

 

[kojakb]

Yes he could, or he could provide me with the assistance required to enable me to complete the job.

If anyone wants to do it for the same as I am, feel free.

 

[ricicle]

Wanna email me a wiring diagram ?!?

The above should be enough..

 

[davy_owen_88]

Could you perhaps explain with the help of finger puppets?

Yaar!

 

[breezer]

Wanna email me a wiring diagram ?!?

lets see, email you a diagram, but to where, since its not in your profile (its against forum rules to post email address in your post)

 

[kojakb]

Such a friendly bunch.

 

[ricicle]

 

[breezer]

Such a friendly bunch.

yes, yes we are.

but still no address in profile