🔐 Lock in Safety, Unlock Peace of Mind
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 patented Grip Tight™ technology, it offers a snug fit with a simple thumb turn and clamping handle. Compatible with all American Lock® and Master Lock® padlocks, it’s built from powder-coated steel and reinforced polymer to withstand harsh environments, making it an essential safety tool for professionals who demand reliability and ease of use.
| ASIN | B004J173I8 |
| Best Sellers Rank | #172,665 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #450 in Keyed Padlocks |
| Brand | Master Lock |
| Brand Name | Master Lock |
| Circuit Breaker Type | Standard |
| Circuit breaker type | Standard |
| Current Rating | 1 Amps |
| Current rating | 1 Amps |
| Customer Reviews | 4.6 out of 5 stars 1,237 Reviews |
| 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 |
| Item height | 8.5 inches |
| Manufacturer | Master Lock |
| Model | 493 |
| Mounting Type | Panel Mount |
| Mounting type | Panel Mount |
| Number of Poles | 1 |
| Number of poles | 1 |
| Product dimensions | 7D x 13W x 3H centimeters |
| UPC | 071649229725 |
| Unit Count | 1 Count |
| Voltage | 240 Volts |
E**A
Bien material
Me parece de buena calidad y robusto. un poco caro pero contento con la compra
P**E
No more accidents
Good breaker lock like the snug fit
A**Z
So Simple And Effective
I bought this breaker lock-out as a reminder to not turn this breaker on, unless you really need it. I use this on the 240V, 50 AMP, Electric Vehicle / Recreational Vehicle outlet that I installed under our breaker panel. Most of the time, this should be turned OFF, but on rare occassion it needs to be turned on. This Lock-out makes it really easy to remember to keep it turned Off when not needed and prevents people from turning it on by accident. The quality of construction is excellent and although I didn't need to use the fitment accessories that came with it, I appreciate that they were included. Nothing is as frustrating as not being able to finish a project beause of a fitment issue. Master Lock had this in mind and they have you covered. Great little product. I would definately buy it again.
S**S
Isolation lock off device
Required to lock off mob isolator. Better designed mcb with locking capability would be better
D**N
Read instruction before installing . Adjustment is needed to fit on breaker switch .
Works extremely well . Was impressed . Would buy it again .
Trustpilot
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