Master Lock S2393 Miniature Circuit Breaker Lockout fits most miniature ISO/DIN breakers. Universal design, fits all MCB toggles up to the size limitations shown above. Can be used on single and multi-pole MCBs Secured to the breaker toggle using a screwdriver and set screw (grub screw) Takes all safety padlocks up to 8mm (5/16″) shackle diameter
