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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Qty. RoHS ECAD Model Series
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Voltage Rating DC
Interrupt Rating
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Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 32 US SHORT BL 1400A
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6Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Blade Fuses Screw Knife Blade Fast Blow Visual Blown Fuse Bulk
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 550A
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13Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 550 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 630A
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3Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 630 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 700A
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7Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 700 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1100A
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11Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.1 kA 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 1600A
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4Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.6 kA 650 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 110MM 2000A
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15Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 2 kA 600 VAC 480 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 450A
Datasheet
9Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 450 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 700A
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9Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 700 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 800A
Datasheet
2Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 800 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 900A
Datasheet
36Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 900 A 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1100A
Datasheet
16Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.1 kA 700 VAC 600 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1250A
Datasheet
20Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.25 kA 700 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1600A
Datasheet
53Factory Stock Available
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Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.6 kA 650 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 1800A
Datasheet
32Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 1.8 kA 650 VAC 500 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses POWR-SPEED SQB SIZE 33 DIN 80MM 2000A
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

PSR Specialty Fuses Square Body Fuses 2 kA 600 VAC 480 VDC 150 kA, 200 kA Screw Blade / Boltdown Fast Blow 33 Visual Side Indicator Box
Littelfuse Specialty Fuses 550A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
3Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 550 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 700A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
30Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 700 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 900A 700V SIZE 33 Flush End Mtrc Thred
Datasheet
33Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 900 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 1000A 700V SIZE 33 Flush End Mtrc Thred
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15Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 1 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 1400A 700VAC SIZE 33 POWER-SPEED FLUSH M
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18Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 1.4 A 700 VAC 500 VDC Snap In Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 1600A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
67Factory Stock Available
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Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 1.6 A 700 VAC 500 VDC Snap In Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 2000A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
15Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 2 A 700 VAC 500 VDC Snap In Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 450A 700V SIZE 33 Flush End In. Thred
Datasheet
3Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 450 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk
Littelfuse Specialty Fuses 630A 700V SIZE 33 Flush End In. Thred
Datasheet
12Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

PSR Specialty Fuses Square Body Fuses 630 A 700 VAC 600 VDC Holder Quick Connect Fast Blow 33 Visual Side Indicator Bulk