A4J Series / Class J / Fast Acting

For excellent current limiting protection - 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.

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Brochure

[Not Available]

Features

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

Highlights

Fast Acting
Very Current-Limiting
DC Ratings

Ratings

AC: 600VAC, 200kA I.R.
AC: 300VDC, 20kA I.R.
(Ferraz Shawmut Certified)

Approvals

UL Listed to Standard 248-8.
CSA Certified to Standard C22.2 No. 248.8
DC Tested to UL 198L limits (Ferraz Shawmut Certified)
IEC 269-2-1
RoHS Compliant

Applications

Capacitors
Loadcenters
Panelboards
Switchboards
Bus Duct
Feeder Circuits
Circuit Breakers
Lighting, Heating, and General Loads

Ferraz A4J Series Fuse Selection

AMPERE RATING	CATALOG NUMBER		AMPERE RATING	CATALOG NUMBER		AMPERE RATING	CATALOG NUMBER		AMPERE RATING	CATALOG NUMBER
1	A4J1		35	A4J35		90	A4J90		250	A4J250
3	A4J3		40	A4J40		100	A4J100		300	A4J300
6	A4J6		45	A4J45		110	A4J110		350	A4J350
10	A4J10		50	A4J50		125	A4J125		400	A4J400
15	A4J15		60	A4J60		150	A4J150		450	A4J450
20	A4J20		70	A4J70		175	A4J175		500	A4J500
25	A4J25		75	A4J75		200	A4J200		600	A4J600
30	A4J30		80	A4J80		225	A4J225