QS High-Speed Round Body Fuses

Littelfuse QS Series High-Speed Round Body Fuses provide circuit protection at the fast speeds required by modern semiconductor devices. These fuses offer extreme current limiting protection against power surges and balanced performance for longevity. L50QS and L70QS series high-speed fuses use arc-quenching stone sand to provide lower arc voltages while offering reduced l2t let-through energy and peak currents. This improved performance differentiates the QS series from other power fuses, including previous S series fuses. Universal mount bolted-end terminals give these RoHS and REACH-compliant fuses the ability to replace existing fuses in the field easily. Littelfuse QS series fuses are ideal for drive panel builders, the oil and gas industry, pulp and paper industries, motor controls, wastewater treatment plants, and other large factory settings.

Resultados: 46
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Descrição Ficha técnica Disponibilidade Preços (USD) Filtrar os resultados na tabela por preço unitário baseado na sua quantidade.
Qtde RoHS Modelo ECAD Produto
Potência nominal
Regime de tensão CA
Tipo de fusível
Regime de tensão DC
Classificação de interrupção
Estilo de acabamento
Classe
Estilo do indicador
Embalagem
Série
Littelfuse Fusíveis industriais e elétricos 90A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
62Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 90 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 600A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
16Em estoque
Mín.: 1
Mult.: 1
Semiconductor Fuses 600 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 200A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
48Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 200 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 350A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
60Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 350 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 450A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
5Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 450 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 150A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
147Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 150 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 200A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
39Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 200 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 250A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
23Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 250 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 300A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
27Em estoque
33Esperado 05/10/2026
Mín.: 1
Mult.: 1

Semiconductor Fuses 300 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS


Littelfuse Fusíveis industriais e elétricos 600A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
56Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 600 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 150A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
18Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 150 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 300A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
10Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 300 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 35A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
46Em estoque
73Esperado 14/10/2026
Mín.: 1
Mult.: 1

Semiconductor Fuses 35 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 60A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
25Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 60 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 60A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
11Em estoque
16Esperado 29/10/2026
Mín.: 1
Mult.: 1
Semiconductor Fuses 60 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 80A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
11Em estoque
12Esperado 22/10/2026
Mín.: 1
Mult.: 1
Semiconductor Fuses 80 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS


Littelfuse Fusíveis industriais e elétricos 400A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
6Em estoque
32Esperado 05/10/2026
Mín.: 1
Mult.: 1

Semiconductor Fuses 400 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 450A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
4Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 450 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 50A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
8Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 50 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS


Littelfuse Fusíveis industriais e elétricos 70A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
6Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 70 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 125A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
6Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 125 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 250A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
1Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 250 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Fusíveis industriais e elétricos 70A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
11Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 70 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 225A 500VAC 500VDC FF L50QS POWR-SPEED
Ficha técnica
3Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 225 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Fusíveis industriais e elétricos 35A 700VAC 700VDC FF L70QS POWR-SPEED
Ficha técnica
8Em estoque
Mín.: 1
Mult.: 1

Semiconductor Fuses 35 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS