Martindale LOK Series MCB Isolation Locks

Martindale Brand: Martindale
<p>These safety locks are for use with MCBs on domestic and industrial distribution boards for isolation purposes.</p>
  • Martindale MARLOK series
Description Image Product MPN Pricing (Ex VAT) Buy Qty Colour Type
Martindale LOK3 MCB Blue Isolation Lock
Martindale LOK3 MCB Blue Isolation Lock
Extended range
LOK3
1+ £6.70

Available to back orderBack-order availability date - 08/03/2025
Blue Isolation lock
Martindale LOK4 MCB Small Red Isolation Lock
Martindale LOK4 MCB Small Red Isolation Lock
Extended range
LOK4
1+ £6.65

Available to back orderBack-order availability date - 08/03/2025
Red Isolation lock
Martindale typeColourApplicationsOrder code
MARLOK1GreenMCBs86-8246
MARLOK2YellowMCBs86-8250
MARLOK3BlueMCBs86-8251
MARLOK4Red (small)MCBs & BS38 fuse carriers86-8252
MARLOK5Red (large)MCBs & main switches86-8253


Trustpilot