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FLNR_ID/FLSR_ID IndicatorTM Class RK5 Fuses
250/600 VAC
I
Dual-Element, Time Delay
I
1/10 - 600 Amperes
SPECIFICATIONS
Voltage Ratings: AC: 250 Volts (FLNR_ID); 600 Volts (FLSR_ID) DC: 125 Volts (FLNR 1/10 - 30A); 125 Volts (FLNR_ID 35 - 600A); 300 Volts (FLSR_ID) 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: Standard 248-12, Class RK5 UL Listed (File No: E81895) CSA Certified (File No: LR29862) MSHA 300 Volt Listing (FLSR_ID) QPL: Federal Specification WF-1814
1996
AMPERE RATINGS
6 10 ** 10 8 8 10 15 100 1 2 10 118 1 4 114 3 10 1410 4 10 112 1 2 1610 **FLNR only 1 1
Littelfuse FLNR_ID/FLSR_ID IndicatorTM fuses provide visual blown fuse indication at a glance. The patented state-of-theart solid state design provides maximum reliability and superior performance characteristics in a true dual-element design. The use of IndicatorTM fuses reduces down-time, nuisance opening, increases safety, and can save thousands of dollars in lost production time.
1810 2 214 212 2810 3 3210 312
4 412 5 5610 6 614 7 712
8 9 10 12 15 1712 20 25
30 35 40 45 50 60 70 75
80 90 100 110 125 150 175 200
225 250 300 350 400 450 500 600
NOTE: For 1/10 - 30 ampere 250 volt fuses, order nonindicating FLNR series fuses. NOTE: All FLNR_ID fuses rated 35 - 600A are Indicator fuses. NOTE: All FLSR_ID fuses rated 1 amp and above are Indicator fuses. Example part number (series & amperage): FLSR100ID
APPLICATIONS
Service entrance switches Switchboard main and feeder switches Motor control center mains and motor branch circuits Individual fused combination motor controllers Distribution panelboards Industrial control panels Protection of fully-rated panelboards and loadcenters All general purpose circuits
RECOMMENDED FUSE BLOCKS
LR250 series (for FLNR_ID series fuses) LR600 series (for FLSR_ID series fuses) Refer to Fuse Block section of this catalog for additional information.
FEATURES/BENEFITS
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Reduce Down-Time -- A glance at the indicating window of a FLNR_ID or FLSR_ID IndicatorTM fuse pinpoints open fuses immediately. If the window is dark, the fuse has opened. It's that simple. No fuse testing required. Machine operators can immediately determine that there is an open fuse and request maintenance personnel to bring the proper replacement. Reduce Nuisance Opening -- FLNR_ID and FLSR_ID IndicatorTM fuses have superior time-delay and cycling characteristics which can lengthen fuse life and decrease needless opening. Reduce Fuse Inventory -- Because FLNR_ID and FLSR_ID IndicatorTM fuses have superior performance characteristics they can be used on a variety of applications, thus decreasing fuse inventory.
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Reduce Equipment Damage -- FLNR_ID and FLSR_ID IndicatorTM fuses have superior overload and short circuit protection which can reduce equipment damage. Reduce Accidents -- The FLNR_ID and FLSR_ID IndicatorTM fuses improve safety by minimizing exposure to live circuits. Unlike other forms of blown fuse indication, IndicatorTM fuses provide built-in blown fuse indication with the power on or off. No second guessing whether a light means a good or bad fuse and no current going across a blown fuse to power a lighted accessory.
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FLNR_ID/FLSR_ID IndicatorTM Class RK5 Fuses
250/600 VAC
I
Dual-Element, Time Delay
A F
I
1/10 - 600 Amperes
A K C B F D E G
G E
B C
D H J
70-600A
FIG. 1
AMPERES REFER TO FIG. NO. SERIES A FLNR 1/10 - 30 1 FLSR_ID FLNR_ID 35 - 60 1 FLSR_ID FLNR_ID 70 - 100 2 FLSR_ID FLNR_ID 110 - 200 2 FLSR_ID FLNR_ID 225 - 400 2 FLSR_ID FLNR_ID 450 - 600 2 FLSR_ID 2 (50.8) 5 (127.0) 3 (76.2) 5-1/2 (139.7) 5-7/8 (149.2) 7-7/8 (200.0) 7-1/8 (181.0) 9-5/8 (244.5) 8-5/8 (219.1) 11-5/8 (295.3) 10-3/8 (263.5) 13-3/8 (339.7) B 1/2 (12.7) 3/4 (19.1) 3/4 (19.1) 1 (25.4) 1 (25.4) 1-1/4 (31.8) 1-1/2 (38.1) 1-3/4 (44.5) 2 (50.8) 2-1/2 (63.5) 2-1/2 (63.5) 3 (76.2) C 1/2 (12.7) 5/8 (15.9) 5/8 (15.9) 5/8 (15.9) 1-1/16 (27.0) 1-1/16 (27.0) 1-15/32 (37.3) 1-15/32 (37.3) 1-15/16 (49.2) 2 (50.8) 2-3/8 (60.3) 2-13/32 (61.1)
FIG. 2
DIMENSIONS IN INCHES (mm in parentheses) D 9/16 (14.3) 13/16 (20.6) 13/16 (20.6) 1-1/16 (27.0) 1-1/16 (27.0) 1-5/16 (33.3) 1-19/32 (40.5) 1-27/32 (46.8) 2-3/32 (53.2) 2-19/32 (65.9) 2-19/32 (65.9) 3-3/32 (78.6) E 5/64 (2.0) 3/32 (2.4) 3/32 (2.4) 3/32 (2.4) 1/8 (3.2) 1/8 (3.2) 3/16 (4.8) 3/16 (4.8) 1/4 (6.4) 1/4 (6.4) 1/4 (6.4) 1/4 (6.4) F 5/32 (4.0) 3/16 (4.8) 3/16 (4.8) 1/4 (6.4) 3/4 (19.1) 3/4 (19.1) 1-1/8 (28.6) 1-1/8 (28.6) 1-5/8 (41.3) 1-5/8 (41.3) 2 (50.8) 2 (50.8) G 3/8 (9.5) 5/8 (15.9) 5/8 (15.9) 7/8 (22.2) 1-1/4 (31.8) 1-1/2 (38.1) 1-27/32 (46.8) 2-3/32 (53.2) 2-11/32 (59.5) 2-27/32 (72.2) 2-27/32 (72.2) 3-11/32 (84.93) H -- -- -- -- 1/4 (6.4) 1/4 (6.4) 7/16 (11.1) 7/16 (11.1) 5/8 (15.9) 5/8 (15.9) 3/4 (19.1) 3/4 (19.1) J -- -- -- -- 9/32 (7.1) 9/32 (7.1) 9/32 (7.1) 9/32 (7.1) 13/32 (10.3) 13/32 (10.3) 17/32 (13.5) 17/32 (13.5) K -- -- -- -- 1/2 (12.7) 1/2 (12.7) 11/16 (17.5) 11/16 (17.5) 15/16 (23.8) 15/16 (23.8) 1-1/8 (28.6) 1-1/8 (28.6)
For additional application information request Product Bulletin EL-4
1A 1.25A 1.6A 2A 2.5A 3A 4A 6A 1
FLNR
1000 800 600 400 300 200 100 80 60 40 30 20 10 8 6 4 3 2 1 .8 .6 .4 .3 .2 .1 .08 .06 .04 .03 .02 .01
2/10A 1/4A 3/10A 4/10A 1/2A 6/10A 8/10A 1A 1 1/4A 1 4/10A 2A 2 1/2A 4 1/2A 5A 7A 7 1/2A 9A
FLSR_ID
1000 800 600 400 300 200 100 80 60 40 30 20
TIME IN SECONDS
TIME IN SECONDS
10 8 6 4 3 2 1 .8 .6 .4 .3 .2 .1 .08 .06 .04 .03 .02 .01 10 8 6 4 3 2 100 80 60 40 30 20 10000 8000 6000 4000 3000 2000 1000 800 600 400 300 200
.6 .8 1
30 40
60 80 100
2
3 4
600 800 1000
.1
200
300 400
.3 .4
6 8 10
20
.2
CURRENT IN AMPERES
CURRENT IN AMPERES
10A 15A 20A 25A 30A
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FLNR_ID/FLSR_ID IndicatorTM Class RK5 Fuses
250/600 VAC
I
Dual-Element, Time Delay
I
1/10 - 600 Amperes
FLNR_ID
60A 1000 800 600 400 300 200 100A 200A 400A 600A
FLSR_ID
1000 800 600 400 300 200
15A
30A
60A
100A
200A
400A 600A
100 80 60 40 30 20
100 80 60 40 30 20
TIME IN SECONDS
TIME IN SECONDS
10 8 6 4 3 2
10 8 6 4 3 2
1 .8 .6 .4 .3 .2
1 .8 .6 .4 .3 .2
.1 .08 .06 .04 .03 .02
.1 .08 .06 .05 .04 .03 .02
.01
.01
40
60
100 80
200
300
400
600
1000 800
2000
3000
4000
6000
10000 8000
20000
30000
40000
60000
100000 80000
6 5
10 8
20
30
400
600
1000 800
2000
3000
4000
6000
10000 8000
20000
30000
40000
60000
100000 80000
200000
300000
400000
600000
1000000 800000
FLNR_ID
1000000 800000 600000 400000 300000 200000
PEAK LET - THRU IN AMPERES
100000 80000 60000 40000 30000 100A 20000 60A 10000 8000 6000 4000 3000 2000 600A 400A 200A
PEAK LET - THRU IN AMPERES
1000 800 600 400 300 200
60 50
100 80
200
300
CURRENT IN AMPERES
CURRENT IN AMPERES
FLSR_ID
1000000 800000 600000 400000 300000 200000
100000 80000 60000 50000 40000 30000 20000 100A 60A 600A 400A 200A
10000 8000 6000 5000 4000 3000 2000
30A
15A
1000 800 600 400 300 200
100
100
400
600
800
1000
2000
3000
4000
6000
8000
10000
20000
30000
40000
60000
80000
100000
200000
100
200
300
400
600
800
1000
2000
3000
4000
6000
8000
10000
20000
30000
40000
60000
80000
100000
200000
100
200
300
AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES
AVAILABLE FAULT CURRENT SYMMETRICAL R. M. S. AMPERES
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