Circuit Protection – Mouser United Kingdom

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6.3x32mm (3AB/3AG) Fuse Holders & Fuse Accessories

Littelfuse 6.3mm x 32mm (3AB/3AG) Fuse Holders & Fuse Accessories are ideal for Slo-Blo^®(Time-Lag), fast-acting, and very fast-acting fuses designed to IEC specifications. The 3AB Slo-Blo fuses feature ceramic body construction that permits higher interrupting ratings and voltage ratings. The 3AB fast-acting fuses protect Silicon Controlled Rectifiers and similar solid-state devices. The 3AG fuses solve a broad range of application requirements.

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Part #

Cartridge Fuses 250V 125mA Fast Acting 3AG

0312.125HXP
Littelfuse
1: £2.20
720In Stock
100Expected 20/02/2026

Mfr. Part No.
0312.125HXP

Mouser Part No
576-0312.125HXP

Littelfuse

Cartridge Fuses 250V 125mA Fast Acting 3AG

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Datasheet

720In Stock

100Expected 20/02/2026

£2.20

£1.82

£1.62

£1.37

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .125A Fast Acting 3AG

0312.125MXP
Littelfuse
1: £2.23
72In Stock
1,000Expected 20/02/2026

Mfr. Part No.
0312.125MXP

Mouser Part No
576-0312.125MXP

Littelfuse

Cartridge Fuses 250V .125A Fast Acting 3AG

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Datasheet

72In Stock

1,000Expected 20/02/2026

£2.23

£1.99

£1.92

£1.51

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Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AG 0.125AMP

0312.125VXP
Littelfuse
1: £4.28
9In Stock

Mfr. Part No.
0312.125VXP

Mouser Part No
576-0312.125VXP

Littelfuse

Cartridge Fuses 250V FA 3AG 0.125AMP

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Datasheet

9In Stock

£4.28

£3.93

£2.90

£2.50

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .15A Fast Acting 3AG

0312.150HXP
Littelfuse
1: £1.81
134In Stock

Mfr. Part No.
0312.150HXP

Mouser Part No
576-0312.150HXP

Littelfuse

Cartridge Fuses 250V .15A Fast Acting 3AG

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Datasheet

134In Stock

£1.81

£1.50

£1.39

£1.15

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .187A Fast Acting 3AG

0312.187HXP
Littelfuse
1: £2.10
84In Stock

Mfr. Part No.
0312.187HXP

Mouser Part No
576-0312.187HXP

Littelfuse

Cartridge Fuses 250V .187A Fast Acting 3AG

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Datasheet

84In Stock

£2.10

£1.75

£1.61

£1.30

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .187A Fast Acting 3AG

0312.187VXP
Littelfuse
1: £4.62
17In Stock

Mfr. Part No.
0312.187VXP

Mouser Part No
576-0312.187VXP

Littelfuse

Cartridge Fuses 250V .187A Fast Acting 3AG

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Datasheet

17In Stock

£4.62

£3.93

£3.78

£3.27

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .2A Fast Acting 3AG

0312.200HXP
Littelfuse
1: £2.00
164In Stock

Mfr. Part No.
0312.200HXP

Mouser Part No
576-0312.200HXP

Littelfuse

Cartridge Fuses 250V .2A Fast Acting 3AG

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Datasheet

164In Stock

£2.00

£1.54

£1.39

£1.16

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Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AG 0.2AMP

0312.200VXP
Littelfuse
1: £3.25
50In Stock

Mfr. Part No.
0312.200VXP

Mouser Part No
576-0312.200VXP

Littelfuse

Cartridge Fuses 250V FA 3AG 0.2AMP

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Datasheet

50In Stock

£3.25

£2.98

£2.94

£2.44

£2.21

Min.: 1
Mult.: 1

Cartridge Fuses 250V .25A Fast Acting 3AG

0312.250HXP
Littelfuse
1: £1.53
279In Stock

Mfr. Part No.
0312.250HXP

Mouser Part No
576-0312.250HXP

Littelfuse

Cartridge Fuses 250V .25A Fast Acting 3AG

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Datasheet

279In Stock

£1.53

£1.30

£1.20

£0.969

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .25A Fast Acting 3AG

0312.250MXP
Littelfuse
1: £1.35
507In Stock
1,000Expected 25/03/2026

Mfr. Part No.
0312.250MXP

Mouser Part No
576-0312.250MXP

Littelfuse

Cartridge Fuses 250V .25A Fast Acting 3AG

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Datasheet

507In Stock

1,000Expected 25/03/2026

£1.35

£1.15

£1.07

£0.969

Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AG 0.25AMP

0312.250VXP
Littelfuse
1: £2.72
54In Stock

Mfr. Part No.
0312.250VXP

Mouser Part No
576-0312.250VXP

Littelfuse

Cartridge Fuses 250V FA 3AG 0.25AMP

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Datasheet

54In Stock

£2.72

£2.26

£2.25

£1.92

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .3A Fast Acting 3AG

0312.300HXP
Littelfuse
1: £2.50
67In Stock
200Expected 31/03/2026

Mfr. Part No.
0312.300HXP

Mouser Part No
576-0312.300HXP

Littelfuse

Cartridge Fuses 250V .3A Fast Acting 3AG

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Datasheet

67In Stock

200Expected 31/03/2026

£2.50

£2.08

£1.92

£1.59

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Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AG 0.3AMP

0312.300VXP
Littelfuse
1: £2.72
20In Stock

Mfr. Part No.
0312.300VXP

Mouser Part No
576-0312.300VXP

Littelfuse

Cartridge Fuses 250V FA 3AG 0.3AMP

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Datasheet

20In Stock

£2.72

£2.26

£2.08

£1.73

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .375A Fast Acting 3AG

0312.375HXP
Littelfuse
1: £0.856
295In Stock

Mfr. Part No.
0312.375HXP

Mouser Part No
576-0312.375HXP

Littelfuse

Cartridge Fuses 250V .375A Fast Acting 3AG

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Datasheet

295In Stock

£0.856

£0.707

£0.641

£0.599

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .375A Fast Acting 3AG

0312.375MXP
Littelfuse
1: £0.834
702In Stock

Mfr. Part No.
0312.375MXP

Mouser Part No
576-0312.375MXP

Littelfuse

Cartridge Fuses 250V .375A Fast Acting 3AG

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Datasheet

702In Stock

£0.834

£0.692

£0.639

£0.53

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AG 0.375AMP

0312.375VXP
Littelfuse
1: £2.59
23In Stock

Mfr. Part No.
0312.375VXP

Mouser Part No
576-0312.375VXP

Littelfuse

Cartridge Fuses 250V FA 3AG 0.375AMP

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Datasheet

23In Stock

£2.59

£2.31

£2.13

£1.62

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Min.: 1
Mult.: 1

Cartridge Fuses 250V .5A Fast Acting 3AG

0312.500HXP
Littelfuse
1: £0.571
2,775In Stock

Mfr. Part No.
0312.500HXP

Mouser Part No
576-0312.500HXP

Littelfuse

Cartridge Fuses 250V .5A Fast Acting 3AG

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Datasheet

2,775In Stock

£0.571

£0.479

£0.443

£0.361

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .5A Fast Acting 3AG

0312.500MXP
Littelfuse
1: £0.488
2,886In Stock

Mfr. Part No.
0312.500MXP

Mouser Part No
576-0312.500MXP

Littelfuse

Cartridge Fuses 250V .5A Fast Acting 3AG

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Datasheet

2,886In Stock

£0.488

£0.417

£0.387

£0.361

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AG 0.5AMP

0312.500VXP
Littelfuse
1: £1.40
564In Stock

Mfr. Part No.
0312.500VXP

Mouser Part No
576-0312.500VXP

Littelfuse

Cartridge Fuses 250V FA 3AG 0.5AMP

Learn More

Datasheet

564In Stock

£1.40

£1.13

£1.06

£0.908

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .6A Fast Acting 3AG

0312.600HXP
Littelfuse
1: £0.871
217In Stock

Mfr. Part No.
0312.600HXP

Mouser Part No
576-0312.600HXP

Littelfuse

Cartridge Fuses 250V .6A Fast Acting 3AG

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Datasheet

217In Stock

£0.871

£0.727

£0.523

£0.456

Min.: 1
Mult.: 1

Cartridge Fuses 250V .6A Fast Acting 3AG

0312.600MXP
Littelfuse
1: £1.00
727In Stock

Mfr. Part No.
0312.600MXP

Mouser Part No
576-0312.600MXP

Littelfuse

Cartridge Fuses 250V .6A Fast Acting 3AG

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Datasheet

727In Stock

£1.00

£0.882

£0.826

£0.684

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .75A Fast Acting 3AG

0312.750HXP
Littelfuse
1: £0.405
539In Stock
400Expected 21/04/2026

Mfr. Part No.
0312.750HXP

Mouser Part No
576-0312.750HXP

Littelfuse

Cartridge Fuses 250V .75A Fast Acting 3AG

Learn More

Datasheet

539In Stock

400Expected 21/04/2026

£0.405

£0.336

£0.311

£0.258

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .75A Fast Acting 3AG

0312.750MXP
Littelfuse
1: £0.39
1,197In Stock

Mfr. Part No.
0312.750MXP

Mouser Part No
576-0312.750MXP

Littelfuse

Cartridge Fuses 250V .75A Fast Acting 3AG

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Datasheet

1,197In Stock

£0.39

£0.323

£0.292

£0.248

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AG 0.75AMP

0312.750VXP
Littelfuse
1: £1.96
32In Stock

Mfr. Part No.
0312.750VXP

Mouser Part No
576-0312.750VXP

Littelfuse

Cartridge Fuses 250V FA 3AG 0.75AMP

Learn More

Datasheet

32In Stock

£1.96

£1.61

£1.45

£1.26

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1A Fast Acting

0312001.HXP
Littelfuse
1: £0.398
2,710In Stock

Mfr. Part No.
0312001.HXP

Mouser Part No
576-0312001.HXP

Littelfuse

Cartridge Fuses 250V 1A Fast Acting

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Datasheet

2,710In Stock

£0.398

£0.332

£0.303

£0.253

£0.179

Min.: 1
Mult.: 1

6.3x32mm (3AB/3AG) Fuse Holders & Fuse Accessories

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