Circuit Breaker Blocker

Mechanical safety lock for miniature circuit breakers (MCB)This part is designed to physically block the toggle lever of standard DIN-rail circuit breakers, preventing them from being switched ON accidentally during maintenance or servicing.Ideal for electrical panels where you need an extra mechanical safeguard to avoid unintended re-energizing of a circuit.⚙️ PurposePrevents accidental reactivation of a breakerAdds a visible physical safety barrierUseful during maintenance workSimple and fast to install/remove🛠 CompatibilityDesigned for standard DIN rail miniature circuit breakers (MCB)Compatible with most European-style magnetothermal breakersPlease verify dimensions against your specific breaker model before printing⚠️ Important NoticeThis is a mechanical accessory only.It does not replace official lockout/tagout safety procedures and does not electrically isolate the circuit. Always follow proper electrical safety regulations.