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🔐 Lock in Safety, Unlock Peace of Mind!
The Master Lock 491B Grip Tight™ Circuit Breaker Lockout is a compact, durable device designed to securely lock wide or tall breaker toggles commonly found on high-voltage, high-amperage circuit breakers. Featuring a patented thumb-turn locking mechanism and compatibility with major safety padlocks, it ensures OSHA-compliant lockout/tagout safety in harsh industrial environments.
| Asin | B004J173HY |
| Best Sellers Rank | #10,387 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2 in Lockout & Tagout Devices |
| Brand Name | Master Lock |
| Circuit Breaker Type | Standard |
| Current Rating | 2 A |
| Customer Reviews | 4.6 4.6 out of 5 stars (361) 4.6 out of 5 stars |
| Global Trade Identification Number | 00071649229718, 00712760524589 |
| Included Components | Lockout |
| Item Dimensions D X W X H | 2.75"D x 1"W x 0.78"H |
| Item Type Name | Grip Tight Lockout for Wide/Tall Circuit Breaker |
| Item Weight | 6.4 ounces |
| Manufacturer | Master Lock |
| Model | 491B |
| Number Of Items | 1 |
| Number Of Packs | 24 |
| Number Of Poles | 2 |
| Part Number | 491B |
| Unit Count | 1 Count |
| Upc | 712760524589 789164007574 094704338163 071649229718 |
| Voltage | 120 volts |
| Warranty Description | Manufacturer |
User
Perfect and much cheaper than when bought in a kit
These are larger lockouts than the small panels that you usually have at home. Still works perfectly. Purchased this for work and did not want to spend ridiculous amounts of cash for a Lock/out Tag/out kit. So purchased the items seperately and it was much cheaper and only purchased what I needed. No Waste!
User
Excelente
Excelente
User
Is 30-seconds of work worth it to save your life?
I was very pleased this was adjustable enough to fit this breaker handle. Was a 480Vac 3ph panel board. I found it fits a variety of BKRs from ABB, Siemens, Eaton, Sqr-D, LS-Electric & others. Don’t panic if the angle of the grippers doesn’t perfectly align with the angle pitch of your breaker handle, just tighten it down, lock it, & you’re good to go. I trust it on the job. Great value, easy to use, it’s worth 30-seconds to keep me alive.
User
Great safety measure
Works great on newer panels. Didn’t work on older GE 480 and 277 panels though.
User
Four Stars
Work OK but not on all breakers.
User
Perfect for single pole breakers
Great on all types of single pole breakers. Highly recommend.
User
Fast and safe
Takes just seconds to put in place. Makes for a fast and safe lockout on a circuit. I use it on its own and as a double down when in a place with bone head staff. When they cut the 1st lock they thought was a joke. They stop when they see the 2nd. Yes its happiness
User
Order issues
The product is fine. I ordered a standard CB Lockout and a more expensive tall and wire CB Lockout. However, I received two of the standard CB Lockout (See photo). I could not find a link for seller feedback so I leaving a message here in case someone else has a similar order issue.
User
Excelente
Muy buen producto para el trabajo
User
Top
Commande reçu à temps et quantité exact contrairement à d’autre. Top top
User
Perfect for my job
Worked perfectly for my job. Allowed me to lock out 575v circuit breaker without problems
User
Sécuritaire
Bon produit. Fais le travail.
User
Excelente
Lo utilice para la pastilla de mi casa y hasta la fecha no tengo queja, es muy buen producto
Trustpilot
2 weeks ago
1 month ago