Littelfuse-Type LLS-RK Fuses

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About Fuses

Ferrule Style

Knife-Blade Style

Also known as dual-element fuses, these fuses withstand current overload for a short time so they won't open when exposed to harmless temporary surges, such as when starting a motor. They have a rejection-style end design that safeguards against replacement errors. Designed for use with Fuse Blocks for UL Class RK1 Fuses.

Breakthrough current, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

			Overall						Each
Current, A	Voltage	Breakthrough Current	Lg.	Dia.	No. of Elements	Cartridge Fuse Style	Specifications Met		1-9	10-Up
Manufacturer Equivalent: A6D-R, LLS-RK, LPS-RK
1/2	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	000000	000000
1	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
1 1/4	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
2	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
2 1/2	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
3	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
5	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
10	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
15	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
20	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
30	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5"	13/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
35	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5 1/2"	1 1/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
40	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5 1/2"	1 1/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
50	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5 1/2"	1 1/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
60	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	5 1/2"	1 1/16"	2	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
100	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	7 7/8"	1 3/16"	2	Knife Blade	UL Listed, CSA Certified	00000000	00000	00000
125	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	9 5/8"	1 11/16"	2	Knife Blade	UL Listed, CSA Certified	000000000	000000	000000
200	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	9 5/8"	1 11/16"	2	Knife Blade	UL Listed, CSA Certified	00000000	000000	000000
400	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	11 5/8"	2 3/8"	2	Knife Blade	UL Listed, CSA Certified	00000000	000000	000000
600	600V AC/300V DC	100,000 A @ 300 V DC 300,000 A @ 600 V AC	13 3/8"	2 7/8"	2	Knife Blade	UL Listed, CSA Certified	00000000	000000	000000

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About Fuses

UL Class RK1 Time-Delay Fuses