Back
Where to buy Contact us
PHP-A4J-Photos

A4J - Class J - Fast-Acting

Approvals & Standards
UL listed to standard 248-8 File E2137
CSA certified to standard C22.2 no. 248.8
DC listed to UL 248
IEC 269-2-1

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 capability.

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 capability.

Key features & benefits

  • High current limitation for low peak let-thru current

  • Unique dimensions prevent replacement by other fuse classes

  • Fiberglass body provides dimensional stability in harsh industrial environments

  • Easy-to-read imprint label for quick recognition and replacement

Applications

  • Capacitors

  • Load centers

  • Panelboards

  • Switchboards

  • Bus duct

  • Feeder circuits

  • Circuit breakers

  • Lighting, heating, and general loads

Technical Specifications
Frequency (Hz) 50/60 Hz
Amperage Range 1 to 600 A
Fuse Class Class J
Speed/Characteristic Fast-Acting
UL Category Code JDDZ

Reference Finder

34 references in this series

Scroll

Item number Ampere rating Fuse size Clearing I2t At Rated Voltage Indication System Product weight
A4J200 See product
 200A - - No 0.342kg
A4J200EI See product
 200A - - Yes 0.3856kg
A4J225 See product
 225A - - No 0.7938kg
A4J25 See product
 25A - - No 0.044kg
A4J250 See product
 250A - - No 0.7938kg
A4J3 See product
 3A - - No 0.044kg
A4J30 See product
 30A - - No 0.044kg
A4J300 See product
 300A - - No 0.7938kg
A4J35 See product
 35A - - No 0.0771kg
A4J350 See product
 350A - - No 0.7938kg
Back to top