Safety Device Isolation Options for Induction Hobs

I'm currently producing feasibility studies for replacement hobs within student accommodation. The replacement of the hob is straight forward enough, but the client has is looking for additional safety devices to isolate the hobs if a problem should arise. This will be alongside isolation switches above the counter and also RCBOs at the DB. The initial idea this:

https://www.kitchenstoveguard.co.uk/stove-guard/

I don't have much confidence in the information on this product. Claiming that the battery will last 10 years, and that there is no need for monthly testing.

If anyone has any advice on this product or similar, or even another method I'd like to hear it.

Thanks

Parents
  • I've fitted 100's of these in a block of flats. I thought they were rubbish. The terminals are poor, the sensor is very flimsy, think of a cheap computer mouse. If something is on fire, the smoke/fire detection in the room should be sounding. Turning off the hob will reduce the continuing heat, but the fire will still be there. The ones I fitted had no data on when they will trip (sounds like AFDDs), so do they trip the hob when a bit of bacon is sizzling, or does it need to be flames coming off the pan before it trips? I suspect the latter, which is too late.

    Better fire detection, and a remote, accessible cut off switch would be my choice, or if really going for it, a relay connected to the heat/smoke detector in the kitchen to cut the power, much like the gas safety valve in commercial kitchens. However, I think it's overkill for domestic kitchens.

Reply
  • I've fitted 100's of these in a block of flats. I thought they were rubbish. The terminals are poor, the sensor is very flimsy, think of a cheap computer mouse. If something is on fire, the smoke/fire detection in the room should be sounding. Turning off the hob will reduce the continuing heat, but the fire will still be there. The ones I fitted had no data on when they will trip (sounds like AFDDs), so do they trip the hob when a bit of bacon is sizzling, or does it need to be flames coming off the pan before it trips? I suspect the latter, which is too late.

    Better fire detection, and a remote, accessible cut off switch would be my choice, or if really going for it, a relay connected to the heat/smoke detector in the kitchen to cut the power, much like the gas safety valve in commercial kitchens. However, I think it's overkill for domestic kitchens.

Children
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