Circuit Breaker Lockout POWT: Essential Electrical Safety
The Circuit Breaker Lockout Pin Out Wide Toggles (POWT) is a vital Lockout/Tagout (LOTO) device designed to isolate hazardous electrical energy during maintenance and servicing. It is a critical component of any comprehensive Energy Control Program, ensuring compliance with OSHA standards and preventing accidental re-energization of electrical circuits.
🛠️ Key Details
- Function: It is designed to secure a circuit breaker’s toggle switch in the “OFF” (isolated) position, preventing it from being accidentally or deliberately turned back on while maintenance or service work is being performed.
- Mechanism: It typically works by using two pins or prongs that extend outwards to fit into the small holes located on either side of the circuit breaker’s switch toggle or tie-bar. The “wide” designation indicates it is suitable for breakers that require a wider pin-out configuration.
- Installation: It is generally a “no-tools-required” device, often using a push-button or slider mechanism to deploy and secure the pins.
- Security: Once the device is installed and secured onto the breaker, a safety padlock is attached to the lockout device to physically prevent its removal, thus completing the LOTO isolation.
- Material: It is commonly made from durable engineering plastics like ABS, PC polycarbonate, or glass-filled nylon.
- Compliance: Using devices like the POWT helps companies comply with safety standards like OSHA’s Lockout/Tagout (LOTO) regulation (29 CFR 1910.147), which is critical for ensuring worker safety around hazardous electrical energy.
👷 How to Use It (General Steps)
- De-energize: Ensure the machine or equipment is completely shut down and the circuit breaker is in the OFF position.
- Apply Lockout: Place the POWT device over the circuit breaker toggle(s).
- Secure the Pins: Use the device’s mechanism (e.g., push a button or slide a toggle) to extend the “wide” pins into the appropriate holes on the breaker, locking the toggle in the OFF position.
- Lock and Tag: Affix a personal safety padlock through the designated hole on the lockout device. Attach a Lockout Tag to identify the person who applied the lock and the reason for the lockout.
🇵🇰 Availability in Pakistan
- Suppliers: Several local safety equipment distributors and fire technology companies (e.g., Adams Fire Tech, Universal Fire Protection, Fire Safety Equipment) stock and supply Lockout/Tagout (LOTO) devices, including circuit breaker lockouts.
- Online Marketplaces: These products are also listed on major online platforms like Daraz, often sourced either locally or through overseas vendors.
- Product Naming: You may find the exact POWT part number (used by some international manufacturers like Lockey) or similar local designations like “Pin Out Wide Circuit Breaker Lockout” or “Pin Out Wide MCB Lockout”.
- LOTO Focus: The market offers a complete range of LOTO solutions, including padlocks, hasps, tags, and kits, indicating a focus on industrial safety compliance in the country.
⚙️ Common Specifications
The “Pin Out Wide Toggles” design is specifically made for miniature circuit breakers (MCBs) that have holes on either side of the toggle switch.
| Specification | Typical Details |
| Material | Durable, non-conductive engineering plastics (e.g., ABS, PC Polycarbonate, Glass-filled Nylon) to resist heat, chemicals, and impact. |
| Lockout Type | Pin-type, designed to engage two holes (pins out) on a single or multi-pole breaker’s tie-bar or toggle. |
| Breaker Compatibility | Fits most existing types of European and Asian Miniature Circuit Breakers (MCBs), particularly those with a wider distance between the lockout holes. |
| Toggle Opening | Often specified to fit breakers with an opening width of 11 mm to 13 mm at the handle part. |
| Padlock Shackle | Compatible with standard safety padlocks, often supporting a shackle diameter up to 7mm to 7.8mm (the lock hole diameter on the device). |
| Installation | Tool-free installation; typically uses a push-button or rotating roller mechanism to secure the pins. |
| Application | Suitable for both single and multi-pole breakers operated with a tie-bar. |
🚨 Compliance Note
The use of these devices helps companies adhere to international best practices and safety standards like OSHA’s Lockout/Tagout (LOTO) requirements, which are often adopted or mirrored in the safety protocols of major industrial and commercial facilities in Pakistan.
If you have a specific circuit breaker model or an existing LOTO program, I can try to find a direct contact for a local supplier.
The most relevant contact information for Mac Safety is for their operation in Lahore.
🔒 Mac Safety (LOTO & Safety Products)
| Contact Detail | Information |
| Phone (Mobile) | +92 321 3881122 |
| Phone (Mobile) | +92 322 4902229 |
| sales@macsafety.com.pk | |
| Address | Jewan Garden, Opposite Indus Hospital Manawa, Gopal Pura Phase 2 Manawa, Lahore, Punjab 54000. |
Pin Out Wide Toggles Circuit Breaker Lockout POWT
- a) Made of ABS engineering plastic and PC polycarbonate.
- b) Suitable for most miniature circuit breakers with an opening of 11 mm and 13mm at the handle part.
- c) Single person management, lock hole diameter 7.8mm.
- .
| Part No. | Specification | Description |
|---|---|---|
| POWT | Locks out most miniature circuit breakers | |


