A4J MERSEN | Alldatasheet
Document overview
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Technical content
MERSEN.COM PF 20 © 2024 Mersen. All rights reserved. Mersen reserves the right to change, update, or correct, without notice, any information contained in this datasheet. A4J Class J 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. 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 RATINGS:
- Volts: 600VAC, 300VDC
- Amps: 1 to 600A
- IR: 200kA I.R. AC, 100kA I.R. DC HIGHLIGHTS:
- Fast-acting
- Very current-limiting
- DC ratings APPLICATIONS:
- Capacitors
- Load centers
- Panelboards
- Switchboards
- Bus duct
- Feeder circuits
- Circuit breakers
- Lighting, heating, and general loads APPROVALS:
- 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 A4J Fast Acting/Class J UL/CSA LISTED POWER FUSES FOR EXCELLENT CURRENT-LIMITING PROTECTION
MERSEN.COM PF 21 © 2024 Mersen. All rights reserved. Mersen reserves the right to change, update, or correct, without notice, any information contained in this datasheet. UL/CSA LISTED POWER FUSES Class J A4J Fast Acting CATALOG NUMBERS (AMPS) RECOMMENDED FUSE BLOCKS WITH BOX CONNECTORS FOR AMP-TRAP® CLASS J FUSES A variety of pole configurations and termination provisions are available. Refer to Section FB for details. 1-60A 61-600A A4J1 A4J35 A4J90 A4J250 A4J3 A4J40 A4J100 A4J300 A4J6 A4J45 A4J110 A4J350 A4J10 A4J50 A4J125 A4J400 A4J15 A4J60 A4J150 A4J450 A4J20 A4J70 A4J1 75 A4J500 A4J25 A4J75 A4J200 A4J600 A4J30 A4J80 A4J225 Fuse Ampere Rating Catalog Number 600V or Less 1-Pole 3-Pole 0-30 US3J1I US3J3I 31-60 US6J1I US6J3I 61-10 0 FB60J100B1 FB60J100B3 101-200 62001J 62003J 201 -400 64031J 64033J 401-600 6631J DIMENSIONS Ampere Rating A B C D E F G H in mm in mm in mm in mm in mm in mm in mm in mm 61-10 0 4-4/8 117 1 -1/8 29 1/8 3.2 3/4 19 1 25 3-5/8 92 3/8 10 9/32 7 101-200 5-3/4 146 1 -5/8 41 3/16 4.8 1 -1/8 29 1 -3/8 35 4-3/8 111 3/8 10 9/32 7 201 -400 7-1/8 181 2-1/8 54 1/4 6.3 1 -5/8 41 1 -7/8 48 5-1/4 133 1 7/32 13 13/32 10 401-600 8 203 2-1/2 64 3/8 9.5 2 51 2-1/8 54 6 152 11/16 18 1 7/32 13