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Removing a relay

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boris1

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I'm trying to learn more about relays.
Can someone link to a resource that describes how they work? I mean like a wiring diagram of 1L1 3L2 5L3 2T1 4T2 6T3...
Here is a LC1K09 that is connected to a lighting circuit.
What are the alternative ways to remove/disconnect it and instead have the switching done manually?
By manually I mean either with a circuit breaker or wall switch.
[ElectriciansForums.net] Removing a relay
 
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DPG said:
So to confirm things, because this is hard to follow, they switch the lights on and off using an MCB which is near the contactors which have the exposed screws?

Why can't they have a 'proper' switch after the MCB?
Click to expand...
Yes, that’s what I recommended! And that’s what the Schneider Connect wireless switch used to do (with the receiver tucked away into a plastic junction box in the dropped ceiling). But they didn’t want to spend the money on a new Connect switch or even a cheap NEXA 433Mhz wireless switch and receiver. This way, they save 40 euros and just use the MCB once a week when they need it.
 
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boris1 said:
Yes, that’s what I recommended! And that’s what the Schneider Connect wireless switch used to do (with the receiver tucked away into a plastic junction box in the dropped ceiling). But they didn’t want to spend the money on a new Connect switch or even a cheap NEXA 433Mhz wireless switch and receiver. This way, they save 40 euros and just use the MCB once a week when they need it.
Click to expand...

I know, but why not just connect a standard (non wireless) switch after the MCB? Then they don't have to poke around in a tricky to access panel.
 
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DPG said:
I know, but why not just connect a standard (non wireless) switch after the MCB? Then they don't have to poke around in a tricky to access panel.
Click to expand...
It's a unique situation in that the wireless receiver was in a junction box in the ceiling trunking/cable tray in a section of the premises where they cannot have a switch due to customer access.
 
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boris1 said:
It's a unique situation in that the wireless receiver was in a junction box in the ceiling trunking/cable tray in a section of the premises where they cannot have a switch due to customer access.
Click to expand...

Is there no room at all next to the dist board to fit a switch?
 
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DPG said:
Is there no room at all next to the dist board to fit a switch?
Click to expand...
Just as the wireless receiver, the CU / distributing board is in the same section of the shop where they cannot have customers accessing the switch. I suppose I could have built some sort of cage with lock around the switch but that would cost even more than a new wireless switch for which they were already unwilling to pay.
 
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boris1 said:
Just as the wireless receiver, the CU / distributing board is in the same section of the shop where they cannot have customers accessing the switch. I suppose I could have built some sort of cage with lock around the switch but that would cost even more than a new wireless switch for which they were already unwilling to pay.
Click to expand...

Fishtail key switch then.
 
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DPG said:
Fishtail key switch then.
Click to expand...
Yes, that would be a good solution if it didn't cost about the same as a new Schneider Connect switch. ~100€
Like these:

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boris1 said:
Yes, that would be a good solution if it didn't cost about the same as a new Schneider Connect switch. ~100€
Like these:

Kytkimet ja tarvikkeet -tuotteet Talotarvike.comissa

Kytkimet ja tarvikkeet ja paljon muuta tarpeellista rakentamiseen ja remontointiin löydät edullisemmin Talotarvike.comista. Tutustu ja tilaa netistä!
www.talotarvike.com
Click to expand...
Do you not have something like this available - they are about £2 in the UK
[ElectriciansForums.net] Removing a relay
 
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Sorry, maybe a UK terminology thing. I meant a switch which is operated by a small fishtail shaped metal key, so it cannot be operated by anybody who doesn't have one.
 
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DPG said:
Sorry, maybe a UK terminology thing. I meant a switch which is operated by a small fishtail shaped metal key, so it cannot be operated by anybody who doesn't have one.
Click to expand...
Thanks. I'll look for one like that. It'll still be difficult to convince them to spend another hour of labor time when they have something that works for them already.
 
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