Circuit Breakers, Surge Protectors & Fuses

Circuit Protection Devices

Bourns manufactures and supplies a wide range of circuit protection technologies, including fuses, PTC thermistors, varistors, GDTs, resettable thermal cut-offs, surge protection devices, hybrid protectors, discrete semiconductor solutions, and more. Reliable surge protection is a critical design consideration to help ensure operational reliability of consumer electronics, industrial/communication equipment, automotive, battery charging, energy storage infrastructure, and renewable energy harvesting ecosystems.

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Types of Circuit Breakers, Surge Protectors & Fuses

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Part #

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

PF-1NH100E600B2
Bourns
1: 313,70 €
4In Stock
New Product

Mfr. Part No.
PF-1NH100E600B2

Mouser Part No
652-PF-1NH100E600B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

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Datasheet

4In Stock

313,70 €

249,44 €

229,87 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

PF-1NH100E550B2
Bourns
1: 313,70 €
4In Stock
New Product

Mfr. Part No.
PF-1NH100E550B2

Mouser Part No
652-PF-1NH100E550B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

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Datasheet

4In Stock

313,70 €

249,44 €

229,87 €

Min.: 1
Mult.: 1

Fuse Holder FB1 FUSE BLOCK 110A FUSE

FB1-110
Bourns
1: 65,20 €
50In Stock
80Expected 10/20/2026

Mfr. Part No.
FB1-110

Mouser Part No
652-FB1-110

Bourns

Fuse Holder FB1 FUSE BLOCK 110A FUSE

Datasheet

50In Stock

80Expected 10/20/2026

65,20 €

52,95 €

39,18 €

38,54 €

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Min.: 1
Mult.: 1

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

2510-2L6-48
Bourns
1: 78,43 €
108In Stock

Mfr. Part No.
2510-2L6-48

Mouser Part No
652-2510-2L6-48

Bourns

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

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Datasheet

108In Stock

78,43 €

65,33 €

61,90 €

48,66 €

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: 61,84 €
25In Stock

Mfr. Part No.
CFB1-150

Mouser Part No
652-CFB1-150

Bourns

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

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Datasheet

25In Stock

61,84 €

52,29 €

49,30 €

38,26 €

37,94 €

Min.: 1
Mult.: 1

Industrial Surge Protectors AC SPD, 2W-G,150VAC

1250A-2S-120
Bourns
1: 210,08 €
89In Stock

Mfr. Part No.
1250A-2S-120

Mouser Part No
652-1250A-2S-120

Bourns

Industrial Surge Protectors AC SPD, 2W-G,150VAC

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Datasheet

89In Stock

210,08 €

174,13 €

160,54 €

Min.: 1
Mult.: 1

Industrial Surge Protectors AC SPD, 2W-G,275VAC

1250A-2S-230
Bourns
1: 210,08 €
69In Stock

Mfr. Part No.
1250A-2S-230

Mouser Part No
652-1250A-2S-230

Bourns

Industrial Surge Protectors AC SPD, 2W-G,275VAC

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Datasheet

69In Stock

210,08 €

174,13 €

160,54 €

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: 44,66 €
20In Stock

Mfr. Part No.
CFB1-NF

Mouser Part No
652-CFB1-NF

Bourns

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

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Datasheet

20In Stock

44,66 €

37,04 €

34,17 €

25,04 €

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Min.: 1
Mult.: 1

Industrial Surge Protectors AC SPD, 3W-G,690VAC

1250A-3S-600
Bourns
1: 354,90 €
5In Stock

Mfr. Part No.
1250A-3S-600

Mouser Part No
652-1250A-3S-600

Bourns

Industrial Surge Protectors AC SPD, 3W-G,690VAC

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Datasheet

5In Stock

354,90 €

310,18 €

273,72 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse TH 600Vac 125Vdc 63A

PF-GT3-63
Bourns
1: 28,15 €
274In Stock Restricted Availability

Mfr. Part No.
PF-GT3-63

Mouser Part No
652-PF-GT3-63

Bourns

Industrial & Electrical Fuses POWrFuse TH 600Vac 125Vdc 63A

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Datasheet

274In Stock

28,15 €

20,84 €

20,74 €

13,42 €

Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 180A

PF-MB1-180
Bourns
1: 47,86 €
109In Stock Restricted Availability

Mfr. Part No.
PF-MB1-180

Mouser Part No
652-PF-MB1-180

Bourns

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 180A

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Datasheet

109In Stock

47,86 €

45,59 €

42,48 €

Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 200A

PF-FB2-200
Bourns
1: 86,33 €
50In Stock Restricted Availability

Mfr. Part No.
PF-FB2-200

Mouser Part No
652-PF-FB2-200

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 200A

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Datasheet

50In Stock

86,33 €

75,78 €

74,22 €

67,38 €

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Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse TH 600Vac 600Vdc 25A

PF-HT1-25
Bourns
1: 14,53 €
226In Stock Restricted Availability

Mfr. Part No.
PF-HT1-25

Mouser Part No
652-PF-HT1-25

Bourns

Industrial & Electrical Fuses POWrFuse TH 600Vac 600Vdc 25A

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Datasheet

226In Stock

14,53 €

Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 150A

PF-MB1-150
Bourns
1: 56,95 €
54In Stock Restricted Availability

Mfr. Part No.
PF-MB1-150

Mouser Part No
652-PF-MB1-150

Bourns

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 150A

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Datasheet

54In Stock

56,95 €

50,94 €

46,33 €

43,69 €

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Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 125A

PF-FB2-125
Bourns
1: 82,86 €
70In Stock Restricted Availability

Mfr. Part No.
PF-FB2-125

Mouser Part No
652-PF-FB2-125

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 125A

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Datasheet

70In Stock

82,86 €

73,31 €

66,68 €

66,17 €

Min.: 1
Mult.: 1

Restricted Availability

Industrial Surge Protectors AC SPD, 3W-G,550VAC

1250A-3S-480
Bourns
1: 336,57 €
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
1250A-3S-480

Mouser Part No
652-1250A-3S-480

Bourns

Industrial Surge Protectors AC SPD, 3W-G,550VAC

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Datasheet

Non-Stocked Lead-Time 14 Weeks

336,57 €

289,07 €

257,00 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 160A

PF-FB1-160
Bourns
1: 118,67 €
48In Stock Restricted Availability

Mfr. Part No.
PF-FB1-160

Mouser Part No
652-PF-FB1-160

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 160A

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Datasheet

48In Stock

118,67 €

98,33 €

75,59 €

71,16 €

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Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 200A

PF-FB1-200
Bourns
1: 82,65 €
49In Stock Restricted Availability

Mfr. Part No.
PF-FB1-200

Mouser Part No
652-PF-FB1-200

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 200A

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Datasheet

49In Stock

82,65 €

74,79 €

71,36 €

65,96 €

Min.: 1
Mult.: 1

Restricted Availability

Industrial Surge Protectors AC SPD 10KA RATED 120V

1202-120S
Bourns
1: 97,11 €
23In Stock

Mfr. Part No.
1202-120S

Mouser Part No
652-1202-120S

Bourns

Industrial Surge Protectors AC SPD 10KA RATED 120V

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Datasheet

23In Stock

97,11 €

81,68 €

67,46 €

67,23 €

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Min.: 1
Mult.: 1

Industrial Surge Protectors L/L 28vdc L/G 28vdc DIN-1 Clamp

1820-28-A1
Bourns
1: 135,11 €
10In Stock

Mfr. Part No.
1820-28-A1

Mouser Part No
652-1820-28-A1

Bourns

Industrial Surge Protectors L/L 28vdc L/G 28vdc DIN-1 Clamp

Datasheet

10In Stock

135,11 €

112,03 €

105,72 €

80,85 €

Min.: 1
Mult.: 1

Industrial Surge Protectors 120/240VAC Single Ph Right Side Exit

1251-240S-N1
Bourns
1: 319,55 €
12In Stock

Mfr. Part No.
1251-240S-N1

Mouser Part No
652-1251-240S-N1

Bourns

Industrial Surge Protectors 120/240VAC Single Ph Right Side Exit

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Datasheet

12In Stock

319,55 €

274,46 €

244,01 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse TH 500Vac 125Vdc 63A

PF-JT3-63
Bourns
1: 20,10 €
235In Stock Restricted Availability

Mfr. Part No.
PF-JT3-63

Mouser Part No
652-PF-JT3-63

Bourns

Industrial & Electrical Fuses POWrFuse TH 500Vac 125Vdc 63A

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Datasheet

235In Stock

20,10 €

14,25 €

13,42 €

Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 80A

PF-MB1-80
Bourns
1: 53,54 €
221In Stock Restricted Availability

Mfr. Part No.
PF-MB1-80

Mouser Part No
652-PF-MB1-80

Bourns

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 80A

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Datasheet

221In Stock

53,54 €

47,51 €

45,21 €

42,48 €

Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse TH 170Vdc 60A

PF-NT2-60
Bourns
1: 36,59 €
160In Stock Restricted Availability

Mfr. Part No.
PF-NT2-60

Mouser Part No
652-PF-NT2-60

Bourns

Industrial & Electrical Fuses POWrFuse TH 170Vdc 60A

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Datasheet

160In Stock

36,59 €

17,45 €

Min.: 1
Mult.: 1

Restricted Availability

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 175A

PF-FB1-175
Bourns
1: 103,99 €
40In Stock Restricted Availability

Mfr. Part No.
PF-FB1-175

Mouser Part No
652-PF-FB1-175

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 175A

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Datasheet

40In Stock

103,99 €

103,76 €

66,07 €

Min.: 1
Mult.: 1

Restricted Availability

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