Why Choose the Mersen ATM20 Fast-Acting Fuse?
The Mersen ATM20 is a premium fast-acting midget fuse engineered to provide dependable supplementary overcurrent protection for industrial control circuits, transformers, instrumentation, power supplies and other electrical equipment. As part of the proven Mersen Amp-Trap® ATM series, it rapidly interrupts overloads and short circuits, helping to minimise equipment damage and improve overall system reliability.
With a rated current of 20 A and voltage ratings of 600 V AC and 600 V DC, the ATM20 is designed for demanding industrial and commercial electrical applications. Its fast-acting characteristic makes it ideal for circuits requiring immediate fault interruption where sensitive components need reliable protection.
Manufactured in the standard 10 × 38 mm midget fuse format, the ATM20 fits a wide range of compatible fuse holders and fuse blocks. Its compact design, 100 kA interrupting rating and current-limiting performance make it a popular choice for OEM equipment, industrial control panels and automation systems.
Key Advantages
- Compact fast-acting midget fuse for supplementary circuit protection.
- 20 A current rating for industrial electrical applications.
- 600 V AC/DC voltage rating for demanding systems.
- Fast response helps protect equipment against overloads and short circuits.
- Current-limiting construction reduces fault energy.
- Standard 10 × 38 mm format for easy installation.
Key Features
- Mersen Amp-Trap® ATM series.
- 20 A rated current.
- 600 V AC rated voltage.
- 600 V DC rated voltage.
- Fast-acting operating characteristic.
- 100 kA interrupting rating.
- Current-limiting midget fuse construction.
- Compatible with standard 10 × 38 mm fuse holders.
Fast Protection for Industrial Electrical Circuits
The Mersen ATM20 is designed to clear fault currents rapidly, helping protect electrical equipment before excessive current can cause overheating or permanent damage. Its fast-acting characteristic makes it particularly suitable for circuits where rapid disconnection is essential.
Its current-limiting design helps reduce the thermal and mechanical stresses created during short-circuit conditions, improving equipment reliability while lowering maintenance costs in industrial installations.
Typical Applications
- Industrial control panels.
- Instrumentation systems.
- Control transformers.
- Power supplies.
- Automation machinery.
- OEM electrical equipment.
