Master Lock 493B - Grip Tight Circuit Breaker Lockout, Standard Single and Double Toggles, Clamp-On, Red
Master Lock 493B - Grip Tight Circuit Breaker Lockout, Standard Single and Double Toggles, Clamp-On, Red
Couldn't load pickup availability
Ships factory-new in original packaging.
Not sure if a compatible flange, seal kit, or accessory exists for this item? Ask our team — we're happy to help you find the right part.
TIPS Contract Vendor
Officially awarded purchasing cooperative vendor.
Why Buy From Us
Every quote personally reviewed. Direct sourcing from top manufacturers.
A circuit breaker lockout is a safety device used by industry professionals to prevent accidental or unauthorized operation of a circuit breaker. It works by physically barring the switch mechanism, thereby ensuring the breaker stays in off position until the lockout is removed. This tool plays an essential role in maintaining electrical safety during maintenance or repair work.
The MASTER LOCK - 493B is a Circuit Breaker Lockout device designed for industrial use. This tool, made from durable steel material, comes in a noticeable red color and is used to effectively lock out circuit breakers. The lockout device has an overall height and width of 0.75 inches and length of 3 inches, making it compact yet efficient for its purpose. It features a tie bar mount which allows it to be securely attached.
Key features of the MASTER LOCK - 493B include:
• An adjustable design that fits the breaker with a simple thumb turn
• A Grip Tight attribute that ensures effective locking out of circuit breakers
• Compliance with OSHA standard 1910.147 indicating its suitability for industrial applications
• Capability to accommodate one padlock with maximum shackle diameter of 9/32 inch
• Compatibility with double toggles and standard single toggles as well as multipole circuit breaker types.
Please note that this product does not include a cable tie slot.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.