Mersen A70P60-4
Best high-speed fuse for protecting sensitive industrial power electronics.
Protect your sensitive power electronics with the Mersen A70P60-4 semiconductor fuse. Engineered for demanding industrial applications like AC/DC drives and UPS systems, this 60A, 700V fuse offers superior reliability and low I2t performance. Its very fast-acting speed minimizes damage during short circuits by limiting let-through energy and controlling arc voltage stress. Ideal for higher voltage systems, it's a popular choice for ensuring the integrity of critical protection circuits.
$125.14
Owner Satisfaction
4.7
/ 5
Category Rank
5
/ 68
#5 in Passive Circuit Components
Price vs Category Average
-76%
Below average
Amperage Rating
60
/ A
Who it's for
- Technicians managing complex AC and DC power conversion equipment
- Engineers protecting sensitive and expensive power electronics
- System designers requiring reliable high-power short-circuit protection
Who should skip it
- Budget-conscious builders managing strict project costs
- Maintenance teams needing easily accessible, standard replacement parts
- Operations managers requiring immediate availability for critical repairs
Performance breakdown
Interrupt Speed
Very fast-acting response minimizes damage to sensitive semiconductor components.
Energy Limitation
Low I2t performance effectively restricts let-through energy during short circuits.
Voltage Handling
Robust 700V rating provides reliable protection for high-voltage industrial systems.
Arc Suppression
Controlled arc voltage design significantly reduces stress on critical circuitry.
Application Versatility
Engineered specifically for demanding UPS systems and AC/DC drive environments.
Build Reliability
Industrial-grade construction ensures consistent performance in high-stakes protection scenarios.
Key Specs
Amperage Rating
60A
Voltage Rating
700V
Speed Characteristic
Very Fast Acting
Series
A70P
Catalog Class
Semiconductor
Form Factor
Form 101
Low I2t Performance
Features
- High-speed interruption for sensitive electronics
- Minimizes component stress during clearing
- Engineered for high-voltage AC/DC drives
- Superior reliability in demanding applications
- Low I2t performance limits let-through energy
- Controlled arc voltage reduces stress
- Ideal for UPS systems and motor starters
- Designed for industrial protection circuits
What customers say
Customers consistently praise the Mersen A70P60-4 for its exceptional reliability in critical electrical protection scenarios. Users frequently highlight the superior build quality, noting that the fuse performs exactly as specified, providing dependable overcurrent protection without premature failure. This consistent performance establishes the product as a trusted component for demanding industrial and commercial applications. While the initial cost is higher than standard alternatives, the long term security and reduced downtime justify the investment, making it a strong value proposition for professionals prioritizing safety and operational continuity.
Know before you buy
This fuse is specifically engineered for sensitive power electronics, including AC/DC drives, UPS systems, and motor starters. Its design is optimized for high-voltage industrial circuits where rapid response is critical.
The very fast-acting speed allows the fuse to interrupt short circuits almost instantaneously. This minimizes the amount of let-through energy, which helps prevent damage to delicate semiconductor components.
Yes, the 700V rating is the maximum voltage the fuse is designed to handle safely. It can be used in lower-voltage applications, provided the current requirements match the 60A rating.
Low I2t performance indicates that the fuse limits the total thermal energy passed through to your equipment during a fault. This is essential for protecting sensitive electronics that could be destroyed by even a brief surge of high energy.
No, this is a specialized semiconductor fuse designed for industrial protection circuits. It is not intended for standard residential branch circuit protection, such as those found in a typical home breaker panel.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$125