Electric/Pneumatic Plug Lockout Box
BD-D31
The BD-D31 electric/pneumatic plug locking box is made of high-strength ABS plastic. It features five different hole sizes (9.5–18.2mm) to secure 110V/220V/550V plugs and air hose connectors, and includes clips for easy and quick access.
- High-strength ABS plastic
- 5 universal hole sizes for various plugs and connectors
- Four-click snap-fit design – wide opening, smooth mechanical engagement
- Customizable laser/mold markings and management codes
- Supports multilingual warning labels (default English is “DANGER”)
- Compatible with 110V/220V/550V power plugs and air hose connectors
- Recommended for use with insulated padlocks and safety tags
Product Appearance

Core parameters:
Product Name:BD-D31 Electric/Pneumatic Plug Locking Box
Main Material:Engineering plastic ABS
Product Dimensions:170mm × 95mm × 97mm (L×W×H)
Product Specifications:ABS plug lockout box; snap-fit four-buckle clasp; 5 hole sizes (9.5/10.4/11.4/12/18.2mm); fits 110V/220V/550V plugs and external-thread air hose connectors
Core Functions:Securely locks various electrical plugs and pneumatic connectors to prevent unauthorized operation during maintenance
Applicable Industries:Manufacturing, electrical maintenance, petrochemical, construction, facilities management
Main Advantages:5-size universal fit; high-strength ABS; snap-fit quick open/close; customizable logo and labels; lightweight and durable




