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 800Vac 800Vdc 400A

PF-FB2-400
Bourns
1: ¥28,228.7
19In Stock

Mfr. Part #
PF-FB2-400

Mouser Part #
652-PF-FB2-400

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 400A

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Datasheet

19In Stock

¥28,228.7

¥24,244

¥22,735.8

¥21,390.4

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 50A

PF-MB1-50
Bourns
1: ¥11,211.8
100In Stock

Mfr. Part #
PF-MB1-50

Mouser Part #
652-PF-MB1-50

Bourns

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 50A

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Datasheet

100In Stock

¥11,211.8

¥11,190.2

¥6,640.7

¥6,639

Min.: 1
Mult.: 1

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

1251-240S-N1
Bourns
1: ¥61,717.8
12In Stock

Mfr. Part #
1251-240S-N1

Mouser Part #
652-1251-240S-N1

Bourns

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

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Datasheet

12In Stock

¥61,717.8

¥53,009.2

¥47,127.6

Min.: 1
Mult.: 1

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

PF-JT3-63
Bourns
1: ¥3,881.8
235In Stock

Mfr. Part #
PF-JT3-63

Mouser Part #
652-PF-JT3-63

Bourns

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

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Datasheet

235In Stock

¥3,881.8

¥2,752.3

¥2,548

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Min.: 1
Mult.: 1

Industrial Surge Protectors 110VDC 2W+G

1320-S-110
Bourns
1: ¥17,782.7
74In Stock

Mfr. Part #
1320-S-110

Mouser Part #
652-1320-S-110

Bourns

Industrial Surge Protectors 110VDC 2W+G

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Datasheet

74In Stock

¥17,782.7

¥15,850.9

¥15,565.2

¥15,341

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse CT 1000Vdc 20A

PF-EC1-20
Bourns
1: ¥3,680.8
88In Stock

Mfr. Part #
PF-EC1-20

Mouser Part #
652-PF-EC1-20

Bourns

Industrial & Electrical Fuses POWrFuse CT 1000Vdc 20A

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Datasheet

88In Stock

¥3,680.8

¥1,994.9

¥1,883.6

¥1,817.1

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 300A

PF-FB2-300
Bourns
1: ¥27,755.3
13In Stock

Mfr. Part #
PF-FB2-300

Mouser Part #
652-PF-FB2-300

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 300A

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Datasheet

13In Stock

¥27,755.3

¥23,941.7

¥22,498.2

¥20,036.6

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 50A

PF-FB1-50
Bourns
1: ¥10,844.7
82In Stock

Mfr. Part #
PF-FB1-50

Mouser Part #
652-PF-FB1-50

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 50A

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Datasheet

82In Stock

¥10,844.7

¥9,580.6

¥8,703.6

¥8,388.1

Min.: 1
Mult.: 1

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

PF-FB2-160
Bourns
1: ¥22,921.8
70In Stock

Mfr. Part #
PF-FB2-160

Mouser Part #
652-PF-FB2-160

Bourns

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

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Datasheet

70In Stock

¥22,921.8

¥19,013.5

¥14,616.8

¥13,123.6

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse TH 500Vac 125Vdc 40A

PF-JT3-40
Bourns
1: ¥5,431.5
410In Stock

Mfr. Part #
PF-JT3-40

Mouser Part #
652-PF-JT3-40

Bourns

Industrial & Electrical Fuses POWrFuse TH 500Vac 125Vdc 40A

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Datasheet

410In Stock

¥5,431.5

¥4,086.1

¥3,953.2

¥3,667.5

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 125A

PF-MB1-125
Bourns
1: ¥13,836.1
57In Stock

Mfr. Part #
PF-MB1-125

Mouser Part #
652-PF-MB1-125

Bourns

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 125A

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Datasheet

57In Stock

¥13,836.1

¥12,746.5

¥11,753.2

¥8,241.9

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 100A

PF-000100E100B1
Bourns
1: ¥25,313.6
16In Stock
New Product

Mfr. Part #
PF-000100E100B1

Mouser Part #
652-PF-000100E100B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 100A

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Datasheet

16In Stock

¥25,313.6

¥20,996.7

¥19,365.6

¥15,055.3

¥14,163.3

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 125A

PF-000100E125B1
Bourns
1: ¥25,313.6
19In Stock
New Product

Mfr. Part #
PF-000100E125B1

Mouser Part #
652-PF-000100E125B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 125A

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Datasheet

19In Stock

¥25,313.6

¥20,996.7

¥19,365.6

¥15,055.3

¥14,163.3

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 160A

PF-000100E160B1
Bourns
1: ¥28,929.6
19In Stock
New Product

Mfr. Part #
PF-000100E160B1

Mouser Part #
652-PF-000100E160B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 160A

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Datasheet

19In Stock

¥28,929.6

¥23,996.5

¥22,131.2

¥16,995.4

¥15,985.5

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-000100E250B1
Bourns
1: ¥37,797.7
13In Stock
New Product

Mfr. Part #
PF-000100E250B1

Mouser Part #
652-PF-000100E250B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

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Datasheet

13In Stock

¥37,797.7

¥31,333.1

¥28,516

¥22,893.6

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 100A

PF-SRC50E100B1
Bourns
1: ¥10,703.5
13In Stock
New Product

Mfr. Part #
PF-SRC50E100B1

Mouser Part #
652-PF-SRC50E100B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 100A

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Datasheet

13In Stock

¥10,703.5

¥8,878

¥8,188.7

¥6,710.4

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 50A

PF-SRC50E50B1
Bourns
1: ¥9,846.4
16In Stock
New Product

Mfr. Part #
PF-SRC50E50B1

Mouser Part #
652-PF-SRC50E50B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 50A

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Datasheet

16In Stock

¥9,846.4

¥8,167.1

¥7,534.3

¥6,173.9

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 63A

PF-SRC50E63B1
Bourns
1: ¥9,846.4
11In Stock
New Product

Mfr. Part #
PF-SRC50E63B1

Mouser Part #
652-PF-SRC50E63B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 63A

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Datasheet

11In Stock

¥9,846.4

¥8,167.1

¥7,534.3

¥6,173.9

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 80A

PF-SRC50E80B1
Bourns
1: ¥10,703.5
15In Stock
New Product

Mfr. Part #
PF-SRC50E80B1

Mouser Part #
652-PF-SRC50E80B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 80A

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Datasheet

15In Stock

¥10,703.5

¥8,878

¥8,188.7

¥6,710.4

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 200A

PF-000100E200B1
Bourns
1: ¥28,929.6
4In Stock
160Expected 1/21/2027
New Product

Mfr. Part #
PF-000100E200B1

Mouser Part #
652-PF-000100E200B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 200A

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Datasheet

4In Stock

160Expected 1/21/2027

¥28,929.6

¥23,996.5

¥22,131.2

¥16,995.4

¥15,985.5

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-01N100E250B2
Bourns
1: ¥52,662
6In Stock
New Product

Mfr. Part #
PF-01N100E250B2

Mouser Part #
652-PF-01N100E250B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

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Datasheet

6In Stock

¥52,662

¥43,481.7

¥37,306.1

¥35,367.7

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

PF-01N100E315B2
Bourns
1: ¥55,317.9
6In Stock
New Product

Mfr. Part #
PF-01N100E315B2

Mouser Part #
652-PF-01N100E315B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

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Datasheet

6In Stock

¥55,317.9

¥45,896.8

¥39,183

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

PF-01N100E350B2
Bourns
1: ¥55,317.9
6In Stock
New Product

Mfr. Part #
PF-01N100E350B2

Mouser Part #
652-PF-01N100E350B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

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Datasheet

6In Stock

¥55,317.9

¥45,896.8

¥39,183

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-01N100E400B2
Bourns
1: ¥57,958.9
3In Stock
64Expected 2/18/2027
New Product

Mfr. Part #
PF-01N100E400B2

Mouser Part #
652-PF-01N100E400B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

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Datasheet

3In Stock

64Expected 2/18/2027

¥57,958.9

¥48,311.8

¥41,050

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-1NH100E400B2
Bourns
1: ¥60,588.3
4In Stock
New Product

Mfr. Part #
PF-1NH100E400B2

Mouser Part #
652-PF-1NH100E400B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

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Datasheet

4In Stock

¥60,588.3

¥48,177.3

¥44,396.9

Min.: 1
Mult.: 1

Circuit Protection Devices

Types of Circuit Breakers, Surge Protectors & Fuses

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