Clamp-On Circuit Breaker Lockout
BD-D38
BD-D38 Clamp-On Circuit Breaker Lockout – Reinforced nylon body, fits breakers with handle ≤70mm, anti-loose design, works with ≤8mm shackle padlocks, LOTO compliant.
- Reinforced nylon lock body for high strength and insulation
- Fits medium & large MCCBs with handle width ≤70mm (single-hole locking)
- Special-shaped screw + hinged flap for anti-loose protection
- Slidable long clamp for stable and universal locking
- Compatible with safety padlocks (shackle ≤8mm) – LOTO compliant
- Easy installation: clamp base, fasten screw, lock flap
- Red & black high-visibility color for on-site safety
Product Appearance


Core parameters:
- Product Name:BD-D38 Clamp-On Medium & Large MCCB Lockout
- Lock BodyMaterial:Reinforced Nylon
- Product Dimensions:101.7mm × 87mm × 47.4mm (L×W×Thickness)
- Color:Red + Black
- Suitable Breaker Handle:Width ≤70mm (Medium & Large MCCBs)
- Locking Method:Special-shaped screw + Hinged flap anti-loose
- Padlock Compatibility:Shackle diameter ≤8mm (padlock not included)
- Installation:Clamp base + screw fastening + flap locking, tool-free
- Key Features:Slidable long clamp, single-hole locking, LOTO compliant
- Application:Medium & large internal-trip moulded case circuit breaker
FAQs
1What breakers does BD-D38 fit?
BD-D38 fits most medium and large moulded case circuit breakers (MCCBs) with handle width ≤70mm.
2What material is BD-D38 made of?
The lock body of BD-D38 is made of high-strength reinforced nylon, which is insulated and durable.
3How does BD-D38 prevent loosening
It uses a special-shaped screw to fix the lock and a hinged flap to cover and lock the screw, effectively preventing loosening from vibration or misoperation.
4What padlock can I use with BD-D38?
It works with safety padlocks with a shackle diameter ≤8mm (padlock is not included in the package).
5Is installation of BD-D38 difficult?
No. It is easy to install: simply clamp the base to the bottom of the lock body, fasten the special-shaped screw, and lock the flap – no complex tools required.
6What is the size of BD-D38?
The product size is 101.7mm × 87mm × 47.4mm (length × width × thickness).




