Mersen
0 ratings
Mersen A4BT Time-Delay/Class L Fuse, 600VAC/500VDC, 200kA AC/100kA DC, 1600 Ampere, 3 Diameter x 10-3/4 Length
genuine image
Mersen A4BT Time-Delay/Class L Fuse, 600VAC/500VDC, 200kA AC/100kA DC, 1600 Ampere, 3 Diameter x 10-3/4 Length
When your heavier loads need protection, the fuse won't let you down.
Mersen A4BT Time-Delay/Class L Fuse, 600VAC/500VDC, 200kA AC/100kA DC, 1600 Ampere, 3" Diameter x 10-3/4" Length
Item #: 99984284

Mersen A4BT Time-Delay/Class L Fuse, 600VAC/500VDC, 200kA AC/100kA DC, 1600 Ampere, 3" Diameter x 10-3/4" Length

Item #: 99984284

XCD 2870

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Saturday, October 10
Secured transactionsecured 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
  • fedex
  • dhl
When your heavier loads need protection, the fuse won't let you down.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

Product Details

Shop Mersen A4BT Time-Delay/Class L Fuse, 600VAC/500VDC, 200kA AC/100kA DC, 1600 Ampere, 3 Diameter x 10-3/4 Length online at a best price in Montserrat. B00F58CUN2
Brand NameMersen
UPC782001939960
Global Trade Identification Number00782001939960
Number of Items1
ManufacturerMersen
Unit Count1 Count
Item Weight16 ounces (453.6 grams)
Part NumberA4BT1600
Maximum Current1600 A
Voltage600 volts
Material TypeGlass
Specification MetCSA, UL, iec
AC Adapter Current1600 A
BrandMersen
MaterialGlass

Product Description

Mersen A4BT Time-Delay/Class L Fuse, 600VAC/500VDC, 200kA AC/100kA DC, 1600 Ampere, 3" Diameter x 10-3/4" Length

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Class L fuse and how does it work?

    Answer: A Class L fuse is designed for high-speed applications, providing overcurrent protection for electrical systems. It operates by melting and breaking the circuit when excess current flows, effectively protecting devices and preventing damage. Class L fuses, such as the Mersen A4BT, are designed to handle high interrupting ratings, making them ideal for industrial motor circuits and transformers where inrush currents are common.
  • Question: What are the specifications of the Mersen A4BT fuse?

    Answer: The Mersen A4BT fuse is rated for 600VAC and 500VDC, accommodating various electrical systems. It offers a time-delay characteristic, which allows it to withstand temporary surges, making it suitable for applications where brief overcurrent can occur, such as in motors. With a current rating of 1600 Amperes, it provides robust protection for substantial electrical loads.
  • Question: What applications is the Mersen A4BT fuse typically used for?

    Answer: The Mersen A4BT fuse is commonly used in applications such as motor protection, industrial machinery, and high-capacity electrical systems. Its high interrupting rating of 200kA AC and 100kA DC makes it suitable for environments that experience significant inrush currents, effectively preventing equipment damage and ensuring continuous operation.
  • Question: How does a time-delay feature benefit electrical systems?

    Answer: The time-delay feature of the Mersen A4BT fuse allows it to withstand temporary surges in current, which is common during motor startups and inrush conditions. This prevents nuisance blowing, ensuring that the fuse only disconnects the circuit during prolonged overloads. This is particularly beneficial in industrial environments where sustained loads must be managed safely.
  • Question: Can I use the Mersen A4BT fuse in both AC and DC applications?

    Answer: Yes, the Mersen A4BT fuse is rated for both AC (600VAC) and DC (500VDC) applications. This versatility allows it to be utilized in a wide range of systems, from industrial motors powered by AC sources to various renewable energy systems operating on DC, such as solar power installations. Its dual rating increases its utility in diverse electrical environments.
  • Question: What is the significance of the fuse dimension (3" Diameter x 10-3/4" Length)?

    Answer: The dimensions 3" Diameter x 10-3/4" Length of the Mersen A4BT fuse are significant for ensuring compatibility with existing fuse holders and panels. Proper fit is crucial for safety and operational efficacy; an incorrect size can lead to installation issues or inadequate protection. This fuse is engineered to comply with industry standards, ensuring it fits standard circuit configurations in industrial settings.
  • Question: What indicates the need for replacing the Mersen A4BT fuse?

    Answer: The need to replace the Mersen A4BT fuse is indicated by visible signs such as a blown element or melting of the fuse link. Additionally, if electrical equipment begins to show signs of malfunction or overloads frequently trip breakers, it may also signify that the fuse needs replacement. Regular inspection helps maintain system integrity and safety.
  • Question: How do I select the correct rating for a fuse like Mersen A4BT?

    Answer: Selecting the correct fuse rating requires an understanding of your specific electrical load, including its startup current, operational voltage, and circuit characteristics. A fuse should be rated to handle the continuous current under normal operation while providing sufficient protection against overloads. The Mersen A4BT is designed for high Amperage applications, so ensure this aligns with your requirements.
  • Question: Where can I buy Mersen A4BT Time-Delay/Class L Fuse in Montserrat?

    Answer: You can purchase the Mersen A4BT Time-Delay/Class L Fuse from Ubuy in Montserrat. Ubuy offers a wide selection of electrical components, ensuring you find the exact specifications needed for your application. Their platform provides a straightforward purchasing experience, enabling you to browse and select the best products for your requirements.
  • Question: What should I consider when installing the Mersen A4BT fuse?

    Answer: When installing the Mersen A4BT fuse, ensure that the power is turned off to avoid electrical shocks. It's important to confirm that the installation meets local electrical codes and that the fuse holder is compatible. Taking care to torque connections properly and check for any environmental factors, such as temperature and humidity, can also enhance circuit reliability and performance.

Mersen Cartridge Fuses 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

trustpilot logo
4.2/5 9477 reviews
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 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.

XCD 2870

Order now and get it around Saturday, October 10

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Time-delay class L fuse designed for heavy loads.
  • High interrupting rating protects mains, feeders, and circuits.
  • 10-second delay at 500% rating perfect for large motors.
  • Suitable for DC applications up to 500VDC.
  • Unique dimensions prevent incorrect replacements.
  • UL and CSA certified for guaranteed reliability.

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.