- Home Page /
- Industrial Supplies /
- Occupational Health & Safety Products /
- Lockout & Tagout Products /
- Devices /
- Master Lock S3821_Electrical Lockout Circuit ...
0 ratings
Item #:
211092006
Master Lock S3821_Electrical Lockout Circuit Breaker Type Standard
Item #:
211092006
AUD 51
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
Afterpay Information
Split your bill into 4 payments of AUD 12.75 interest-free
Add the item to your cart
Select Afterpay at checkout
Fill in your details
Complete your first payment
and pay the remaining in easy instalments or according to the payment plan you selected
Here’s why you should Afterpay it
Get everything you need now..
Shop thousands of brands and millions of products, online and in-store.
Pay over six weeks.
Make the first payment upfront and the rest over time. Always interest-free when you pay it in 4.
No fees when you pay on time.
We’ll send you reminders and cap late payments to help you get back on track.
(1) Terms and conditions. apply. (2) Installment Agreement. (3) Eligible for customers in. Australia, (4) Your final payment plan may vary depending on your credit history.
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, August 07
Secured transaction
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.
Our Top Logistics Partners
Ensure safety with the compact and versatile Master Lock Circuit Breaker Lockout Device.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Enhanced Safety
The Master Lock S3821 ensures that circuit breakers are securely locked out, preventing accidental energization and significantly reducing the risk of electrical hazards during maintenance.
Universal Fit
Designed to accommodate a wide range of circuit breaker types, this lockout device provides versatility and compatibility, ideal for various industrial applications and environments.
Durable Build
Constructed with high-quality materials, the Master Lock S3821 is resistant to wear and tear, ensuring long-lasting performance and reliability for industrial safety protocols.
Product Details
| Brand Name | Master Lock |
| Model | 71649335679 |
| UPC | 071649335679 |
| Part Number | S3821 |
| Manufacturer | Master Lock |
| Global Trade Identification Number | 00071649335679 |
| Item Weight | 18 Grams |
| Included Components | Circuit Breaker |
| Current Rating | 24 Amps |
| Circuit Breaker Type | Standard |
| Mounting Type | Tie-bar |
| Number of Poles | 1 |
| Smart Home Compatibility | Not Smart Home Compatible |
| Voltage | 240 Volts |
| Brand | Master Lock |
| Number Of Poles | 1 |
Who Should Buy?
-
Industrial Workers
Ideal for workers handling high-voltage equipment requiring safe lockout/tagout procedures during maintenance or repairs.
-
Safety Compliance Officers
Essential for ensuring compliance with safety regulations, providing a reliable lockout system to prevent accidental machine starts.
-
Maintenance Teams
Facilitates safe maintenance practices, allowing teams to securely lock out circuit breakers during service operations.
-
Home Users
Not ideal for general home electrical maintenance, as it is designed for industrial circuit breaker applications.
Product Description
Master Lock S3821_Electrical Lockout Circuit Breaker Type Standard
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What types of circuit breakers does this lockout device fit?
Answer: This lockout device fits miniature circuit breakers rated for 120/240 V. -
Question:
Can this device lock out multi-pole circuit breakers?
Answer: Yes, it is suitable for locking out multi-pole breakers and works well with tie-bar toggles. -
Question:
Is this lockout device easy to store?
Answer: Yes, its compact size makes it easy to store and transport.
Master Lock Devices Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
JB
Jane
Verified buyer
“Great continuous communication. Packaged well. Arrived promptly.”
12 June 2026 · via Trustpilot
MM
MAV MTBLife
Verified buyer
“1st buy, Ubuy. Shopping made easy if you don't mind the international shipping cost. Bought the product I wanted and the shipping was fast. I look forward for next shopping☺️”
10 June 2026 · via Trustpilot
AP
amanda
Verified buyer
“Great communication, prompt delivery.”
7 June 2026 · via Trustpilot
DD
Disa
Verified buyer
“I'm getting used to an excellent buyer experience with Ubuy and have begun to rely on them for any purchases I make in the US.”
5 June 2026 · via Trustpilot
KB
Katie
Verified buyer
“Delivery was prompt, with many updates along the way.”
23 May 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
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 51
Order now and get it around Friday, August 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Fits miniature circuit breakers (120/240 V) for broad compatibility.
- Works with various circuit breaker handle shapes and sizes.
- Allows locking out adjacent breakers in both vertical and horizontal configurations.
- Ideal for multi-pole breakers and tie-bar toggles.
- Compact design enhances ease of use and storage.
- Boosts safety in electrical work environments.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.