Amps: AC - 100 to 6000A, DC - 100 to 3000A
IR: 200kA I R  AC, 100kA I R  DC (Self-certified for 600VAC, 300kA
I R , UL witnessed) 
   s
A4BQ100 A4BQ600 A4BQ1350 A4BQ3000
A4BQ150 A4BQ601 A4BQ1400 A4BQ3500
A4BQ200 A4BQ650 A4BQ1500 A4BQ3800
A4BQ250 A4BQ700 A4BQ1600 A4BQ4000
A4BQ300 A4BQ750 A4BQ1800 A4BQ5000
A4BQ350 A4BQ800 A4BQ1900 A4BQ6000
A4BQ400 A4BQ900 A4BQ2000
A4BQ450 A4BQ1000 A4BQ2500
A4BQ500 A4BQ1200 A4BQ2501
Note: For remote blown fuse trigger actuator option
add “-TA” to end of      Example:
A4BQ1600-TA
A4BY - Class L
Volts: 600VAC, 300VDC
Amps: 200 to 6,000A (AC), 200 to 2,500A (DC)
IR: 200kA I R  AC, 100kA I R  DC
   s
A4BY200 A4BY700 A4BY1350 A4BY2500
A4BY250 A4BY750 A4BY1400 A4BY3000
A4BY300 A4BY800 A4BY1500 A4BY3001
A4BY350 A4BY801 A4BY1600 A4BY3500
A4BY400 A4BY900 A4BY1601 A4BY4000
A4BY450 A4BY1000 A4BY1800 A4BY4001
A4BY500 A4BY1100 A4BY2000 A4BY4500
A4BY600 A4BY1200 A4BY2001 A4BY5000
A4BY601 A4BY1201 A4BY2200 A4BY6000
A4BY650
Note: For optional blown fuse trigger indicator
add “-TI” to the end of part   
Example: A4BY1600-TI  Consult factory for availability 
A4BT - Time Delay/Class L
Volts: 600VAC, 500VDC
Amps: 200 to 2,000A
IR: 200kA I R  AC, 100kA I R  DC
   s
A4BT200 A4BT500 A4BT800 A4BT1400
A4BT250 A4BT600 A4BT900 A4BT1500
A4BT300 A4BT601 A4BT1000 A4BT1600
A4BT350 A4BT650 A4BT1100 A4BT1800
A4BT400 A4BT700 A4BT1200 A4BT2000
A4BT450 A4BT750
Recommended Fuse Blocks
for Amp-Trap® Class L Fuses
Fuse Ampere
Rating
   
600V or Less
3 Pole
100-800 P48F
801-1200 P412F
    P48F is UL recognized
    P412F is self-certified