JDL CLASS J
TIME-DELAY FUSES
Catalog Number JDL (1 - 600A) 600 Volts AC or Less
AMPERE RATINGS
JDL 600V
12
40
15
45
17.5
50
20
60
25
70
30
80
35
90
JDL SPECIFICATIONS
Dual-Element, Time-Delay
100
110
125
150
175
200
225
250
300
350
400
450
500
600
1
1.25
1.6
2
2.5
3
3.5
4
5
5.6
6
7
8
10
Voltage Rating:
Ampere Rating:
Interrupting Rating:
JDL - 600VAC
1 - 600 Amps
200,000 RMS Symmetrical Amps
300,000 RMS Symmetrical Amps
Self-Certified
Class J Fuse
Current Limiting:
EDISON JDL Class J fuses are among the most current lim-
iting time-delay fuses available. Their small physical size
and high performance characteristics makes Class J fuses
ideal for any space - limited application.
Agency Approvals:
UL Listed, Class J, Guide JDDZ, File E162363
CSA Certified HRCI-J per C22.2, No. 248.8
Self-Certified DC Ratings:
Voltage Rating:
JDL (1-600) 300VDC
Interrupting Rating:
JDL 20,000 Amperes DC
BENEFITS:
• Space saving dimensions vs Class R.
• Dual-Element construction provides superior time-delay
to pass harmless motor or transformer surges.
• High performance with fatigue - free cycling capabilities.
• Extremely current limiting.
APPLICATIONS:
• Recommended for Type 2 (no damage) protection of IEC
style motor starters and contactors.
• Use to protect lower interrupting rating circuit breakers.
• All general purpose circuits with inductive (high inrush)
loads, including motor and motor branch circuits, and
transformer circuits. Also suitable for lighting loads.
RECOMMENDED FUSEBLOCKS:
Refer to page 137 in this catalog.
RECOMMENDED UPGRADE:
None.
EDISON
JDL
CROSS REFERENCE
BUSSMANN
GOULD
LPJ
AJT
LITTELFUSE
JTD
18
JDL CLASS J
TIME-DELAY FUSES
AVERAGE TIME/CURRENT CURVE
Cat. No. JDL (Amp) 600V
100A
125A
200A
225A
400A
600A
PEAK LET-THROUGH CURRENT CURVES
Cat. No. JDL (Amp) 600V
Ampere
Rating
100,000
80,000
60,000
40,000
30,000
20,000
10,000
8,000
6,000
4,000
3,000
2,000
1,000
800
600
400
300
200
100
10A
200
100
80
60
40
30
20
10
8
6
INSTANTANEOUS PEAK LET-THRU CURRENT IN AMPS
300
15A
20A
30A
40A
50A
60A
B
1A
3A
5A
10
7
6
3
1
AMPERE
RATING
600
800
1,000
2,000
3,000
4,000
6,000
8,000
10,000
20,000
30,000
40,000
60,000
80,000
100,000
A
TIME IN SECONDS
4
3
2
1
.8
.6
.4
.3
.2
.1
.08
.06
.04
.03
.02
RMS SYMMETRICAL CURRENTS IN AMPERES
A–B=ASYMMETRICAL AVAILALBE PEAK (2.3 X SYMM RMS AMPS)
B
600
800
1,000
2,000
3,000
4,000
6,000
8,000
10,000
1
2
3
4
6
8
10
20
30
40
60
80
100
200
300
400
.01
INSTANTANEOUS PEAK LET-THRU CURRENT IN AMPS
100,000
80,000
60,000
40,000
30,000
20,000
10,000
8,000
6,000
4,000
3,000
2,000
1,000
800
600
400
300
RMS SYMMETRICAL CURRENT IN AMPERES
Current-Limiting Effects
*Prosp.
S.C.C.
1,000
3,000
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
100,000
150,000
200,000
Let-Thru Current (Apparent RMS Symmetrical)
JDL (600V) Fuse Ratings
15A
30A
60A
100A
200A
270
470
750
—
—
370
670
1,130
1,640
2,360
450
800
1,420
1,910
2,760
550
1,000
1,730
2,450
3,520
625
1,220
1,890
2,850
4,000
700
1,330
2,120
3,090
4,400
750
1,440
2,250
3,400
5,000
800
1,530
2,370
3,650
5,140
820
1,600
2,580
3,780
5,430
900
1,640
2,670
4,000
5,640
925
1,760
2,790
4,470
6,000
1,000
1,850
3,000
4,670
6,420
1,160
2,000
3,220
5,000
7,400
1,220
2,150
3,520
5,360
7,950
1,400
2,460
4,000
6,170
9,000
1,560
2,640
4,450
7,000
10,000
400A
—
—
4,400
5,540
6,420
7,000
7,500
8,000
8,330
9,000
9,380
10,000
11,270
12,180
14,360
15,820
600A
—±
—
—
8,000
9,000
10,000
11,100
11,800
12,500
13,270
13,820
15,000
16,000
17,270
19,270
20,600
200
100
A
600
800
1,000
2,000
3,000
4,000
6,000
8,000
10,000
20,000
30,000
40,000
60,000
80,000
100,000
RMS SYMMETRICAL CURRENTS IN AMPERES
A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS)
*RMS Symmetrical Amperes Short-Circuit Current.
NOTE:
Data derived from Current Limiting Curves.
DIMENSIONS
Refer to JFL Section on page 20.
200,000
100
200
300
400
AMPERE
RATING
200,000
100
200
300
400
600
400
200
100
60
50
40
30
20
15
19
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