PSR High-Speed Square Body Fuses

Littelfuse PSR Series High-Speed Square Body Fuses are specially designed for the protection of power semiconductor devices. The fuses from Littelfuse combine extreme current limitation benefits with balanced performance levels to meet the precise requirements for protecting sensitive power electronics devices. These devices include diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices that are typically designed for power conversion and power conditioning equipment.

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Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 800A
Datasheet
7Factory Stock Available
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Min.: 1
Mult.: 1

Semiconductor Fuses 800 A Fast-Acting Fuses Knife Blade Class aR Fuses 32 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US SHRT BL 1000A
Datasheet
4Factory Stock Available
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Min.: 1
Mult.: 1

Semiconductor Fuses 1 kA Fast-Acting Fuses Knife Blade Class aR Fuses 32 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 500A
Datasheet
2Factory Stock Available
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Min.: 1
Mult.: 1

Semiconductor Fuses 500 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 550A
Datasheet
13Factory Stock Available
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Min.: 1
Mult.: 1

Semiconductor Fuses 550 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1250A
Datasheet
10Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 1.25 kA 700 VAC Fast-Acting Fuses 500 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1600A
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 1.6 kA 650 VAC Fast-Acting Fuses 500 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 450A
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 450 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 700A
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 700 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 800A
Datasheet
2Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 800 A 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1000A
Datasheet
6Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 1 kA 700 VAC Fast-Acting Fuses 600 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1400A
Datasheet
3Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 1.4 kA 700 VAC Fast-Acting Fuses 500 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 2000A
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 2 kA 600 VAC Fast-Acting Fuses 480 VDC 150 kA, 200 kA Blade / Bolt Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 450A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
12Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

Semiconductor Fuses 450 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 700A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
30Factory Stock Available
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Min.: 3
Mult.: 3

Semiconductor Fuses 700 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 800A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
24Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 800 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1000A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
6Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

Semiconductor Fuses 1 kA 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1100A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
75Factory Stock Available
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Min.: 3
Mult.: 3

Semiconductor Fuses 1.1 kA 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1400A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
18Factory Stock Available
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Min.: 3
Mult.: 3

Semiconductor Fuses 1.4 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1600A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
37Factory Stock Available
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Min.: 3
Mult.: 3

Semiconductor Fuses 1.6 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 2000A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
15Factory Stock Available
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Min.: 3
Mult.: 3

Semiconductor Fuses 2 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 630A 700V SIZE 33 Flush End In. Thred
Datasheet
12Factory Stock Available
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Min.: 3
Mult.: 3

Semiconductor Fuses 630 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 800A 700V SIZE 33 Flush End In. Thred
Datasheet
6Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

Semiconductor Fuses 800 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 900A 700V SIZE 33 Flush End In. Thred
Datasheet
9Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

Semiconductor Fuses 900 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1000A 700V SIZE 33 Flush End In. Thred
Datasheet
6Factory Stock Available
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Min.: 3
Mult.: 3

Semiconductor Fuses 1 kA 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1500A 700VAC SIZE 33 POWER-SPEED FLUSH I
Datasheet
6Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

Semiconductor Fuses 1.5 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR