Electrical Panel Safety Device LOTO

LOTO Circuit Breaker LockThis is a 3D printable Lock Out Tag Out (LOTO) device designed to secure miniature circuit breakers (MCBs) in the OFF position during maintenance or servicing operations.The purpose of this device is to help prevent accidental re-energization of electrical circuits while work is being performed, improving workplace safety procedures.🔧 Design FeaturesTwo-part clamping bodyScrew-tightened locking mechanism ( The hole is 4.2mm suitable for you to make M5 thread)Compact and robust geometryDesigned for standard DIN-rail circuit breakersFully printable componentsNo supports required (depending on orientation)The tightening screw increases clamping force and ensures secure positioning over the breaker toggle.🛠 Printing RecommendationsRecommended material: PETG, ABS, or stronger technical filamentPLA is not recommended for high-temperature environments0.4 mm nozzle works well4+ perimeters for structural strength40–60% infill recommended⚠ Important DisclaimerThis mode