FLSR Fuses - FLSR Series - UL Class RK5 Dual-Element Time-Delay Fuse

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FLNR_ID / FLSR_ID Indicator Class RK5 Data Sheets
Littelfuse-Fuses-FLNR-FLSR.pdf
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Last Uploaded: October 12, 2011

Series: FLSR

FLSR Series - UL Class RK5 Dual-Element Time-Delay Fuse

Littelfuse FLSR series fuses have been the superior UL Class RK5 dual-element time-delay fuses, and are the most widely used class of fuses. 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.

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:

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.

Reliability:

Accurate and reliable - Automated, precision manufactured and assembled parts ensure accurate, consistent response to overloads and short circuits.

Electrical Characteristics

Access specifications, certifications, check availability and order parts below:

Check distributor stock availability by clicking on the [CHECK] link. View certification PDF files by clicking on the certification logo. View the part details by clicking on the part number. To order sample parts, click on the [ADD] link. Click on the 'Key' button to view definitions for each column header. Sort parts by clicking on the column you wish to sort by.

CatalogNo	Amps (A)	VAC (V)	VDC (V)	IR	Stock	Sample Cart
FLSR.100	0.1	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR.150	0.15	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR.200	0.2	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR.250	0.25	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR.300	0.3	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR.400	0.4	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR.500	0.5	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR.600	0.6	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR.800	0.8	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR001	1	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR002	2	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR003	3	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR004	4	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR005	5	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR006	6	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR007	7	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR008	8	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR009	9	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR01.4	1.4	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR01.5	1.5	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR01.6	1.6	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR01.8	1.8	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR010	10	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR012	12	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR015	15	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR02.5	2.5	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR02.8	2.8	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR020	20	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR025	25	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR03.2	3.2	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR03.5	3.5	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR030	30	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR035	35	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR04.5	4.5	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR040	40	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR045	45	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR05.6	5.6	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR050	50	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR060	60	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR07.5	7.5	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR070	70	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR070P	70	600			[Check]	[Add]
FLSR075	75	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR075P	75	600			[Check]	[Add]
FLSR080	80	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR080P	80	600			[Check]	[Add]
FLSR090	90	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR090P	90	600			[Check]	[Add]
FLSR1.12	1.125	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR1.25	1.25	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR100	100	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR100P	100	600			[Check]	[Add]
FLSR110	110	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR110P	110	600			[Check]	[Add]
FLSR125	125	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR125P	125	600			[Check]	[Add]
FLSR150	150	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR150P	150	600			[Check]	[Add]
FLSR17.5	17.5	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR175	175	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR175P	175	600			[Check]	[Add]
FLSR2.25	2.25	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR200	200	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR200P	200	600			[Check]	[Add]
FLSR225	225	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR225P	225	600			[Check]	[Add]
FLSR250	250	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR250P	250	600			[Check]	[Add]
FLSR300	300	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR300P	300	600			[Check]	[Add]
FLSR350	350	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR350P	350	600			[Check]	[Add]
FLSR400	400	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR400P	400	600			[Check]	[Add]
FLSR450	450	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR450P	450	600			[Check]	[Add]
FLSR500	500	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR500P	500	600			[Check]	[Add]
FLSR6.25	6.25	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR600	600	600	300	20000A@300VDC 200000A@600VAC	[Check]	[Add]
FLSR600P	600	600			[Check]	[Add]

Find A Distributor

Technical Resources

Plant Certifications

Time Curve

Environmental Data

Environmental Info

	FLSR 110A - 200A FCC01-FLSR-009(A).V01.PDF (157 K)
	FLSR 15A - 30A FCC01-FLSR-006(A).V01.PDF (152 K)
	FLSR 1A - 2A FCC01-FLSR-002(A).V01.PDF (154 K)
	FLSR 2 1/4A - 3 2/10A FCC01-FLSR-003(A).V01.PDF (152 K)
	FLSR 225A - 400A FCC01-FLSR-010(A).V01.PDF (158 K)
	FLSR 3 1/2A - 6A FCC01-FLSR-004(A).V01.PDF (158 K)
	FLSR 35A - 60A FCC01-FLSR-007(A).V01.PDF (157 K)
	FLSR 450A - 600A FCC01-FLSR-011(A).V01.PDF (156 K)
	FLSR 6 1/4A - 12A FCC01-FLSR-005(A).V01.PDF (155 K)
	FLSR 6A - 600A FCC01-FLSR-012(A).V01.PDF (164 K)
	FLSR 70A - 100A FCC01-FLSR-008(A).V01.PDF (158 K)

	Mexico/Piedras Negras ISO 14001 Littelfuse_Mexico_PiedrasNegras_ISO14001.pdf (37 K)
	Mexico/Piedras Negras ISO/TS 16949 LittelfusePiedrasNegrasTS16949-2009.pdf (70 K)