Martindale LOK Series MCB Isolation Locks

Martindale Brand: Martindale

These safety locks are for use with MCBs on domestic and industrial distribution boards for isolation purposes.

  • Martindale MARLOK series
Description Image Product Buy Pricing (Ex VAT) Colour Type
Martindale LOK3 MCB Blue Isolation Lock
Martindale LOK3 MCB Blue Isolation Lock
Extended range
Order code: 86-8251
MPN: LOK3

Available to back orderBack-order availability date - 20/12/2025
1+ £6.84
Price per unit Ex VAT 		Blue Isolation lock
Martindale LOK4 MCB Small Red Isolation Lock
Martindale LOK4 MCB Small Red Isolation Lock
Extended range
Order code: 86-8252
MPN: LOK4

Available to back orderBack-order availability date - 20/12/2025
1+ £6.84
Price per unit Ex VAT 		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