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MK Masterseal Plus 1 Gang 2-Way Switch (67378)

IP66. Operates in extreme hot or cold. Manufactured to BS EN 60669: 2000.

  • Fast & Flexible Installation
  • Discolour, Fade & Crack-Resistant
  • All Logic Plus Features
  • IP66

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£13.92INC VAT

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MK Masterseal Plus 1 Gang 2-Way Switch is rated 4.1 out of 5 by 7.
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Rated 5 out of 5 by from Best IP rated switches In my experience these are the best IP rated switches, for reliability and fitment. Gasket can be fiddly so make sure it's in the right place.
Date published: 2017-01-28
Rated 3 out of 5 by from Good switch, but....... A well made quality switch, however :- (1) the connector block for the neon indicator (optional) is just about adequate to loop the neutral. (2) I found the terminals small, especially if you need to loop wires. Although fitted ok, and look as if they will last, let down by small connectors/terminals.
Date published: 2017-01-25
Rated 5 out of 5 by from Recommended I've fitted quite a lot of these and in my view, they are the best on the market.
Date published: 2016-12-03
Rated 4 out of 5 by from As good as they come Its a switch, I've fitted 100s of these and would fit no other. Now a tip, you must drill a small hole in the back plate or yes over time they will fill with water. Oh sorry to point out but drill the hole at the bottom and where indicated!!! Now remember this small hole allows a very very small amount of air flow thus preventing condensation. I've had these last 2 years and over 15 years. Someone pointed out by doing this you are reducing the ip rating, well if you want to get a jet wash and point the nozzle directly up the bottom hole you might indeed get a small amount in the box which would then trickle out. You would also be a fool. Nothing seems to last nowadays but these are the best.
Date published: 2016-11-08
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can you buy the neon indicator for this switch seperately

Asked by: waleccy
The neon locator lamp is the 56890GRN
Answered by: MK Electric Tech Support
Date published: 2017-07-23

Does anyone know if there are just single 20mm knockouts on each side of the back box?

Asked by: Bullseye1989
Hello Bulseye1989, Yes, the enclosure has 4 x 20mm entries- so that is 1 per side of the back box. Hope this helps.
Answered by: Honeywell Tech Support
Date published: 2017-05-13

I need to know the rating of this switch please

Asked by: Trickydicky35
Hello Trickydicky35, This product has a IP66 rating. IP66 Enclosure - IP rated as "dust tight" and protected against heavy seas or powerful jets of water. I hope this helps.
Answered by: Honeywell Tech Support
Date published: 2017-05-30

Is this switch Atex zone 1 approved?

If not do you have any that are?
Asked by: Anonymous
Hello RossNicholls, This product unfortunately is not approved. I hope this helps.
Answered by: Honeywell Tech Support
Date published: 2017-05-20
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Specification
Brand MK
Colour Grey
Manufacturer Guarantee 20 Year Manufacturer's Guarantee (T&Cs Apply)
Model No K56401GRY
Pack Size 1
Pieces in Pack/Case 1
Product Type Switch
Total Product Weight 0.234 kg

W x D x L: 95 x 55 x 95mm. BS EN 60669:2000.

Product contents

Switch and instruction leaflet.