FLSR LITTELFUSE [Littelfuse], FLSR Datasheet
![no-image](/images/no-image-200.jpg)
FLSR
Manufacturer Part Number
FLSR
Description
FLNR/FLSR Class RK5 Fuses
Manufacturer
LITTELFUSE [Littelfuse]
Datasheet
1.FLSR.pdf
(1 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
FLSR-1-1/2
Manufacturer:
LITTELFUSE
Quantity:
9
Company:
Part Number:
FLSR-1-1/8
Manufacturer:
LITTELFUSE
Quantity:
1
Company:
Part Number:
FLSR-15/100
Manufacturer:
MOLEX
Quantity:
500
Company:
Part Number:
FLSR-3-1/2
Manufacturer:
MOLEX
Quantity:
2 521
FLNR/FLSR Class RK5 Fuses
250/600 VAC
Littelfuse FLNR/FLSR series fuses have been the superior
UL Class RK5 dual-element time-delay fuses, and are the
most widely used class of fuses. FLNR/FLSR series fuses
provide excellent protection for all types of circuits especially
those containing motors. However, users and specifiers
should consider the significant benefits offered by Indicator
fuses. Complete information on these fuses may be found in
this section of this catalog.
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
SAFETY
I
I
RELIABILITY
I
200,000 A.I.R. — Reliable interruption of all overcurrents
up to 200,000 amperes.
Faster acting short circuit protection than any non-current
limiting mechanical protective device.
Accurate and reliable — Automated, precision manufac-
tured and assembled parts ensure accurate, consistent
response to overloads and short circuits.
I
Dual-Element, Time-Delay
I
1/10 – 600 Amperes
SPECIFICATIONS
Voltage Ratings:
Interrupting Ratings: AC: 200,000 amperes rms symmetrical
Ampere Range: 1/10 – 600 amperes
Approvals: Standard 248-12, Class RK5
AMPERE RATINGS
**FLNR only, *FLSR only
Example part number (series & amperage): FLSR100
RECOMMENDED FUSE BLOCKS
Refer to Fuse Block section of this catalog for additional
information.
DIMENSIONS
Refer to FLNR_ID series for FLNR dimensions and
FLSR_ID series for FLSR dimensions.
LONGER EQUIPMENT LIFE
I
I
1
1
15
2
1
3
4
1
⁄
⁄
⁄
⁄
⁄
⁄
⁄
1 0
8
1 0
4
1 0
1 0
2
⁄
1 00
**
LR250 series (for FLNR series fuses)
LR600 series (for FLSR series fuses)
Reduced damage to equipment caused by heating
and magnetic forces of short circuits.
Equipment runs cooler with low-resistance
dual-element fuses.
6
8
1
1
1
1
1
1
⁄
⁄
1 0
1 0
1
1
4
1
6
⁄
⁄
⁄
⁄
⁄
8
4
1 0
2
1 0
UL Listed (File No: E81895)
CSA Certified (File No: LR29862)
MSHA 300 Volt Listing (FLSR)
QPL: Federal Specification WF-1814
1
2
2
2
2
3
3
3
8
1
1
8
2
1
DC: 125 Volts (FLNR)
⁄
⁄
⁄
⁄
⁄
⁄
1 0
4
2
1 0
1 0
2
DC: 20,000 amperes
AC: 250 Volts (FLNR);
600 Volts (FLSR)
300 Volts (FLSR)
4
4
5
5
6
6
7
7
1
6
1
1
⁄
⁄
⁄
⁄
2
1 0
4
2
8
9
10
12
15
17
20
25
1
⁄
2
30
35
40
45
50
60
70
75*
80
90
100
110
125
150
175
200
225
250
300
350
400
450
500
600
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