Bussmann-Type FNQ-R Fuses

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About Fuses

Designed to handle high inrush currents and the initial current cycle unique to transformers, these fuses provide comparable performance with a smaller footprint than standard size fuses. Use them to protect power distribution branch circuits. They’re for use with Fuse Blocks for UL Class CC Fuses.

Fuses with a rejection-style end safeguard against replacement errors.

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.

For technical drawings and 3-D models, click on a part number.

			Overall							Each
Current, A	Voltage	Breakthrough Current	Lg.	Dia.	No. of Elements	Cartridge Fuse Style	Rejection-Style End	Specifications Met		1-9	10-Up
Manufacturer Equivalent: ATQ, FLQ, FNQ
1 4/10	500V AC	10,000 A @ 500 V AC	1 1/2"	13/32"	1	Ferrule	No	UL Listed	00000000	000000	000000
Manufacturer Equivalent: ATQ-R, FNQ-R, KLD-R
1/10	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
1/8	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
15/100	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
3/16	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
2/10	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
1/4	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
3/10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
4/10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
1/2	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
6/10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
3/4	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
8/10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
1	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
1 1/8	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
1 1/4	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
1 3/10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
1 1/2	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
1 6/10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
1 8/10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
2	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
2 1/4	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
2 1/2	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
2 8/10	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
3	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
3 2/10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
3 1/2	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
4	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
4 1/2	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
5	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
5 6/10	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
6	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
6 1/4	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
7	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
7 1/2	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
8	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
9	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
10	600V AC	200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
12	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
15	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
17 1/2	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	00000000	00000	00000
20	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
25	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000
30	600V AC/300V DC	20,000 A @ 300 V DC 200,000 A @ 600 V AC	1 1/2"	13/32"	1	Ferrule	Yes	UL Listed	0000000	00000	00000

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About Fuses

UL Class CC Time-Delay Midget Fuses for Transformers