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Master Lock Red Electrical Box Circuit Breaker Lockout, Tagout Breaker Box Lock for Standard Single and Double Toggles, 493B, 24 Amps (Pack of 2)
AUD 39
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*All items will import from US
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Innovative patented Grip Tight design effectively locks out circuit breakers with a simple thumb turn and then close clamping handle for a tight grip on the toggle
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What Stands Out
Product Details
- The information below is per-pack only
- Lockout tagout circuit breaker lockout is best used on standard height and tie-bar toggles typically found on 120 and 240 volt breakers; Best used as part of a comprehensive OSHA compliant lockout tagout safety program
- Innovative patented Grip Tight design effectively locks out circuit breakers with a simple thumb turn and then close clamping handle for a tight grip on the toggle
- Durable construction with powder coated steel and reinforced polymer for operation in harsh environments
- 5-1/8 in. (13 cm) long circuit breaker lockout with 1-3/16 in. (3 cm) height and 2-3/4 in. (7 cm) depth
- Includes one lockout tagout circuit breaker lockout; Accepts all Master Lock and American Lock safety padlock shackles and lockout hasps (padlocks and hasps sold separately)
| Brand Name | Master Lock |
| Model | 493 |
| Part Number | 493B |
| Manufacturer | Master Lock |
| Item Weight | 0.1 Kilograms |
| Unit Count | 2.0 Count |
| Item Type Name | Lockout Tagout Device Circuit Breaker Lockout |
| Circuit Breaker Type | Standard |
| Brand | Master Lock |
| Number of Items | 2 |
| Country of Origin | This item will be imported from US |
| What is in the box | Master Lock Red Electrical... For more details, please check description/product details |
Who Should Buy?
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Electricians
Ideal for electricians managing job safety by securing circuit breakers to prevent accidental power restoration.
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Maintenance Teams
Perfect for maintenance teams ensuring compliance with lockout/tagout procedures during equipment servicing or repairs.
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Safety Coordinators
Useful for safety coordinators implementing safety measures in workplaces to minimize risks of electrical shock.
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Homeowners
Not suitable for casual homeowners who may not require frequent electrical work or safety protocols.
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Temporary Users
Inappropriate for temporary workers who do not require long-term lockout solutions for electrical equipment.
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Non-Electric Work
Not ideal for users involved in non-electrical tasks that do not require circuit breaker lockout capabilities.
Product Description
Customer Questions & Answers
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Question:
What is the purpose of the Master Lock 493B Circuit Breaker Lockout?
Answer: The Master Lock 493B Circuit Breaker Lockout is designed to secure electrical circuit breakers in an off position, ensuring that they cannot be turned back on while maintenance or repair work is being performed. This safety lockout device helps prevent accidental energization and protects workers from electrical hazards. It's particularly useful in industrial, construction, and maintenance applications where compliance with safety regulations is crucial. -
Question:
How does the Master Lock 493B work with different breaker types?
Answer: The Master Lock 493B is compatible with standard single and double toggle circuit breakers. It locks in place by fitting over the breaker switch, holding it in the off position securely. This adaptability makes it a versatile safety solution for various electrical installations, whether it's for residential or commercial settings, thereby enhancing workplace safety and reducing the risk of electrical accidents. -
Question:
Can multiple locks be used on a single circuit breaker?
Answer: Yes, the Master Lock 493B allows multiple lockout devices to be used simultaneously, accommodating different users. This feature promotes better safety practices as each authorized individual can attach their own lock to the device, ensuring that no one can operate the circuit until all locks are removed. This is particularly advantageous in team settings, ensuring collective responsibility during maintenance tasks. -
Question:
What materials is the Master Lock 493B made from?
Answer: The Master Lock 493B is constructed from durable materials designed to withstand harsh environments. It typically features a robust plastic body and metal components that ensure longevity and reliability under various conditions. This rugged design is essential in maintaining functionality in demanding work environments, ensuring that the lockout device performs effectively over time. -
Question:
Is the Master Lock 493B weather-resistant?
Answer: The Master Lock 493B is engineered to resist various weather conditions, making it suitable for both indoor and outdoor use. While primarily designed for use in safe electrical environments, its weather-resistant properties ensure that it can withstand moisture and dirt, helping to maintain its functionality and safety features even in less-than-ideal conditions. -
Question:
What are the dimensions of the Master Lock 493B?
Answer: The Master Lock 493B is compact and specifically designed to fit most standard electrical circuit breakers. Its small design ensures that it does not take up unnecessary space while effectively locking breakers in place. This compact size is particularly beneficial in crowded electrical panels, as it can securely lock out breakers without interfering with surrounding switches or devices. -
Question:
How can I install the Master Lock 493B?
Answer: The installation of the Master Lock 493B is straightforward. Simply slide the lockout over the circuit breaker switch and secure it in position using a lock or hasp. This ease of installation ensures that even those new to lockout/tagout procedures can implement safety practices quickly. Always ensure the breaker is turned off before installation to maximize safety during maintenance. -
Question:
Do I need any special tools to use the Master Lock 493B?
Answer: No special tools are required to use the Master Lock 493B. The design allows for a quick and intuitive installation directly onto the circuit breaker switch. This user-friendly feature is ideal for maintenance workers who require a fast and reliable solution to ensure electrical safety protocols are observed during work. It’s perfect for both seasoned professionals and those new to lockout/tagout procedures. -
Question:
Is the Master Lock 493B suitable for home use?
Answer: Absolutely! The Master Lock 493B is not only used in industrial settings but is also a great choice for home electrical safety. Homeowners can use it to secure circuit breakers when performing DIY repairs or maintenance, ensuring that family members and pets are not exposed to electrical hazards. Its versatility makes it a practical addition to any home toolkit focused on safety. -
Question:
Where can I buy the Master Lock 493B in Kiribati?
Answer: You can purchase the Master Lock Red Electrical Box Circuit Breaker Lockout, Tagout Breaker Box Lock for Standard Single and Double Toggles, 493B from Ubuy. They provide a reliable platform with various purchasing options to meet your needs.
MasterLock Devices Editorial Review
The Master Lock 491B Lockout Tagout Circuit Breaker Lockout is a durable metal body device that locks out circuit breakers to prevent unauthorized use or accidental shut off during maintenance. However, customers should be aware that this device may not fit over larger 277V breakers or where half size breakers are used. Overall, this device is a good option for residential panels, and it can be used on both single and double pole breakers. It also comes with a lockout tag for added safety.
Customer Reviews & Ratings
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5 Star
78%
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4 Star
13%
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3 Star
6%
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2 Star
1%
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1 Star
2%
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Pros
- Durable metal body
- Fits most 15 and 20 amp breakers
- Adjustable to fit any size breaker
- Comes with lockout tag for added safety
- Low cost and simple to use
Cons
- May not fit over larger 277V breakers
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
AUD 39
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Master Lock 493B Lockout Tagout Circuit Breaker Lockout is used to lockout standard height and tie-bar toggles typically found on 120 and 240 volt breakers
- Its Grip Tight design provides a tight grip on the toggle
- Durable construction withstands harsh environments
- Compact design makes it easy to carry and store
- It accepts all American Lock and Master Lock safety padlocks and most lockout hasps
- It is best used as part of a comprehensive OSHA compliant lockout tagout safety program






















