Mersen Datasheets for Fuses

Fuses protect electrical devices and components from overcurrents and short circuits that occur in improperly operating circuits.
Fuses: Learn more

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Product Name Notes
A50P Amp-Trap® Form 101 high speed fuses were developed for DC drives, uninterruptable power supplies and similar applications requiring better protection (lower I2t) and superior reliability. The A50P is typically...
A50QS Amp-Trap® Form 101 fuses grew out of the need to improve the overall performance of semiconductor fuses in response to new equipment requirements. The A50QS encompasses the best protection...
A60Q Amp-Trap® Form 101 high speed fuses feature the only 600V AC / DC rating in the industry of similar size (1-1/2" x 13/32") fuses protecting semiconductors. A60Q also has...
A60X Amp-Trap® Form 101 high speed fuses are popular for the protection of higher voltage heavy rectifiers such as traction rectifiers. They can carry long sustained overloads common with heavy...
Amp-Trap 2000® SmartSpot time-delay A6D-R fuses provide IEC Type 2 "no damage" protection to existing mains, feeders, and branch circuits serving motor and non-motor loads. A6D-R fuses will open fast...
Amp-Trap A4BY fuses have been the industry's favorite when it comes to protecting service entrance equipment, feeder circuits, and circuit breakers. The A4BY is a 100percent rated device and may...
Amp-Trap fast-acting A4J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or...
Current-limiting Amp-Trap A6K-R fuses provide excellent protection where high available short-circuit currents exist. These fast-acting fuses are particularly good for branch/feeder circuits and back-up protection. Features Rejection style design prevents...
Mersen capacitor fuses are designed to ANSI C37-41. They are currentlimiting operating without noise or discharge and are designed to be used indoors in a general purpose enclosure or outdoors...
Mersen low-voltage capacitor fuses provide advanced safety for power correction and harmonic filtering equipment. A capacitor fuse isolates a shorted capacitor before it can damage surrounding equipment or personnel. Typical...
Mersen PT fuses are current-limiting fuses with high interrupting rating, used for the primary winding protection of potential transformer. They are small dimension ferrule type fuses and mount in standard...
Solid-state SmartSpot indicator Time-delay for motor starting and transformer inrush currents without nuisance opening 300kA interrupting rating, self-certified (UL witnessed test) Extremely current-limiting for low peak let-thru current Easy 2-to-1...

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