






🔐 Lock it down, power up your safety game!
The Master Lock 493B Grip Tight™ Circuit Breaker Lockout is a compact, durable device designed to securely lock out standard 120V and 240V circuit breakers. Featuring a patented thumb-turn clamp mechanism, it ensures a tight grip on single and double toggle breakers. Constructed from powder-coated steel and reinforced polymer, it withstands harsh environments and accepts most safety padlocks for full lockout compliance.






















| ASIN | B004J173I8 |
| Best Sellers Rank | #187,111 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #480 in Keyed Padlocks |
| Brand Name | Master Lock |
| Circuit Breaker Type | Standard |
| Current Rating | 1 Amps |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,269) |
| Global Trade Identification Number | 00071649229725 |
| Included Components | Electrical Lockout Device |
| Item Dimensions D x W x H | 7D x 13W x 3H centimeters |
| Item Type Name | 493B Grip Tight™ Circuit Breaker Lockout |
| Item Weight | 0.05 Kilograms |
| Manufacturer | Master Lock |
| Model | 493 |
| Mounting Type | Panel Mount |
| Number of Poles | 1 |
| Part Number | 493B |
| UPC | 071649229725 |
| Unit Count | 1 Count |
| Voltage | 240 Volts |
E**A
Me parece de buena calidad y robusto. un poco caro pero contento con la compra
P**E
Good breaker lock like the snug fit
J**C
Works perfectly well for my application. Should make me compliant with safety rules.
I**Z
Excelente producto
S**S
Required to lock off mob isolator. Better designed mcb with locking capability would be better