Electrical Panel Safety Device LOTO
Print Profile(1)
Description
LOTO Circuit Breaker Lock
This 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.
đ§ Design Features
- Two-part clamping body
- Screw-tightened locking mechanism ( The hole is 4.2mm suitable for you to make M5 thread)
- Compact and robust geometry
- Designed for standard DIN-rail circuit breakers
- Fully printable components
- No supports required (depending on orientation)
The tightening screw increases clamping force and ensures secure positioning over the breaker toggle.
đ Printing Recommendations
- Recommended material: PETG, ABS, or stronger technical filament
- PLA is not recommended for high-temperature environments
- 0.4 mm nozzle works well
- 4+ perimeters for structural strength
- 40â60% infill recommended
â Important Disclaimer
This model is a DIY 3D printable accessory and is not certified safety equipment.
It has not been tested or approved according to OSHA, CE, or other electrical safety standards.
Use at your own risk.
Always follow official workplace safety regulations and procedures.
This design is intended for educational, prototyping, or non-certified controlled environments only.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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