IDSR16/10 [LITTELFUSE]
Fuse;IDSR Series Indicator™ POWR-PRO® Class RK5
ꢀ
ꢀ
600 V AC/DC Time-Delay 1/10 – 600 Amperes
POOWWRR--PPRROO
FUUSSEESS
SPECIFICATIONS
Voltage ratings: AC: 600 Volts
DC: 600 Volts
(Min. 75 volts AC/DC required for indication)
Interrupting ratings: AC: 200,000 amperes rms symmetrical
300,000 amperes rms symmetrical
(Littelfuse self-certified)
DC: 20,000 amperes
Ampere range: 1/10 – 600 amperes
Approvals: UL Listed Class RK5 fuses per UL 248 (formerly
UL 198E) and UL 198M (File No. E81895)
CSA certified HRCI-R (File No. LR29862)
MSHA 600V Listing
Patent No. 5,345,210
AMPERE RATINGS
1
8
⁄
10
⁄
10
21⁄
4
56⁄10
15
60
70
80
90
100
110
125
150
175
200
225
250
300
350
400
450
500
600
N
1
⁄
8
1
21⁄
2
6
171⁄
20
25
30
35
40
45
50
2
PROODDUUCCTT
RECOGNITION
AWAARDD
15
⁄100
11⁄
8
28⁄10
3
61⁄
4
I
2
⁄
4
10
11⁄
4
7
1
⁄
14⁄10
32⁄10
71⁄
8
2
3
4
1
6
⁄
⁄10
⁄2
⁄10
10
11⁄
2
31⁄
2
16⁄10
18⁄10
2
4
9
10
12
41⁄
2
5
Example part number (series & amperage): IDSR 30
Note: All fuses rated 1 amp and above are IndicatorTM fuses.
RECOMMENDED FUSE BLOCKS
LR600 series
Refer to Fuse Block section of this catalog for additional
information.
The Littelfuse IDSR Indicator™ fuse is the first indicating
power fuse ever. Its solid-state design provides state-of-the-art
reliability; it will forever change the way you look at modern
circuit protection.
FEATURES/BENEFITS
ꢀ
Patented design fuses — The first totally new dual-
element time-delay Class RK5 fuses in 10 years. They look
different because they are different! Even the Littelfuse
SLO-BLO® fuse, the fuse that set new standards for dual-
element fuses when it was introduced in 1984, cannot
match the performance of POWR-PRO® IndicatorTM fuses.
Money is wasted each time a circuit opens and halts produc-
tion. Thousands of dollars can be lost with every minute spent
testing to discover the cause.
The Littelfuse IDSR IndicatorTM fuse offers you a better way.
Just a simple glance at the IDSR Indicator’s window tells
which circuit is open. The circuit can be tested and any
problem corrected without unnecessary delay. No time
wasted finding the faulted circuit. No system damage. And no
costly down time.
ꢀ
Pinpoint open fuses immediately — A glance at the
window tells if the fuse has blown. If the window is dark, the
fuse has opened. It’s that simple. No fuse testing required.
ꢀ
Reduce down-time — Machine operators can immediately
determine that there is an open fuse and request mainte-
nance personnel to bring the correct replacement.
Superior time delay — POWR-PRO® IndicatorTM fuses
APPLICATIONS
ꢀ
provide superior time delay to override current surges
without sacrificing protection for sustained overloads. This
superior time delay is achieved by a remarkable advance in
the science of fuse design. Littelfuse-patented leading edge
metallurgy eliminates all moving parts in a true dual-
element fuse.
All general-purpose circuits
Motors
Transformers
Solenoids
Fluorescent lighting
All system components with high inrush currents
18
IDSR Series Indicator™ POWR-PRO® Class RK5
ꢀ
ꢀ
600 V AC/DC Time-Delay 1/10 – 600 Amperes
POWR-PRO
FUSES
ꢀ
Excellent cycling — Reduces the possibility of fatigue
failure. Like the spring-loaded designs such as Littelfuse
SLO-BLO® series, if an overcurrent does not open an
IndicatorTM fuse, it is not weakened. In addition, the superior
time delay further reduces the possibility of any type of
fatigue.
ꢀ
Excellent current limitation — IDSR fuses have much
lower peak let-through currents and I2t than permitted by UL
Standards for RK5 fuses. The IDSR provides IEC
Type II protection of NEMA motor starters without the high
cost of RK1 fuses. When IEC controllers are used, one of
the first considerations is reduced size. In those cases,
space-saving POWR-PRO® time delay Class J fuses or
Class CC fuses meet most needs.
ꢀ
300kA Interrupting Rating — Littelfuse self-certified to
300,000 amperes as standard. Meets future trend towards
higher available short circuit currents.
ꢀ
Low watts loss — The patented overload element design
results in lower cold and hot resistance. POWR-PRO®
IndicatorTM fuses have extremely low watts loss. They are not
only less costly to buy than RK1 fuses, but they are less
costly to operate.
ꢀ
600 V AC/DC rated — Unlike most RK5 fuses and all RK1
fuses, POWR-PRO® IndicatorTM fuses have full voltage AC/
DC ratings. Use them anywhere in your facility without
worrying whether they will perform.
Short Circuit
Current*
Peak Let-Thru Current** for various fuse ratings
30A
60A
100A
200A
400A
600A
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
1150
1650
2000
2250
2600
2800
3000
3150
3400
3600
4000
4200
4600
4800
2000
2600
3150
3600
4000
4300
4400
4800
5200
5500
6150
6500
7700
8500
3250
4400
5000
5600
6000
6500
6800
7000
7600
8400
9200
10000
11000
12000
5000
7400
8700
5000
10000
13500
15000
16000
17500
18500
19400
20500
22000
24000
26000
28000
30000
5000
10000
15000
18000
20000
22000
24000
25000
26000
28500
31000
33500
35000
36000
9500
Current-Limiting Effects
of IDSR (600V) fuses
10000
11000
11500
12000
13200
14000
16000
16000
18000
20000
* Prospective RMS Symmetrical Amperes Short-
Circuit Current
** Apparent RMS Symmetrical
60,000
Note: Data derived from Peak Let-Thru Curves
80,000
100,000
150,000
200,000
19
IDSR Series Indicator™ POWR-PRO® Class RK5
ꢀ
ꢀ
600 V AC/DC Time-Delay 1/10 – 600 Amperes
POOWWRR--PPRROO
FUUSSEESS
A
A
E
E
F
K
C
B
D
F
D
G
G
B
H
E
J
C
70-200A
225-600A
FIG. 1
FIG. 2
DIMENSIONS IN INCHES (mm in parentheses)
REFER TO
FIG. NO.
AMPERES
SERIES
A
B
C
D
E
F
G
H
J
K
5
3/4
(19.1)
5/8
(15.9)
13/16
(20.6)
3/32
(2.4)
3/16
(4.8)
5/8
(15.9)
—
—
—
1
1
2
2
2
2
IDSR
IDSR
IDSR
IDSR
IDSR
IDSR
1/10 – 30
35 – 60
(127.0)
5-1/2
(139.7)
1
5/8
(15.9)
1-1/16
(27.0)
3/32
(2.4)
1/4
(6.4)
7/8
(22.2)
—
—
—
(25.4)
7-7/8
(200.0)
1-1/4
(31.8)
1-1/16
(27.0)
1-5/16
(33.3)
1/8
(3.2)
3/4
(19.1)
1-1/2
(38.1)
1/4
(6.4)
9/32
(7.1)
1/2
(12.7)
70 – 100
110 – 200
225 – 400
450 – 600
9-5/8
(244.5)
1-3/4
(44.5)
1-15/32
(37.3)
1-27/32
(46.8)
3/16
(4.8)
1-1/8
(28.6)
2-3/32
(53.2)
7/16
(11.1)
9/32
(7.1)
11/16
(17.5)
11-5/8
(295.3)
2-1/2
(63.5)
2
2-19/32
(65.9)
1/4
(6.4)
1-5/8
(41.3)
2-27/32
(72.2)
5/8
(15.9)
13/32
(10.3)
15/16
(23.8)
(50.8)
13-3/8
(339.7)
3
2-13/32
(61.1)
3-3/32
(78.6)
1/4
(6.4)
2
3-11/32
(84.9)
3/4
(19.1)
17/32
(13.5)
1-1/8
(28.6)
(76.2)
(50.8)
1000000
800000
600000
400000
300000
200000
100000
80000
60000
600A
400A
200A
40000
30000
100A
60A
20000
10000
8000
6000
30A
15A
4000
3000
2000
1000
800
600
400
300
200
100
AVAILABLE FAULT CURRENT
SYMMETRICAL R. M. S. AMPERES
20
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