Circuit Protection – Mouser Japan

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Renewable Energy Solutions

Littelfuse provides a wide range of renewable energy solutions that include high-speed fuses, fast-acting relays, surge protection devices, and temperature sensors. These products from Littelfuse are designed to protect equipment from arc-flashes and fault conditions caused by equipment failure, phase-to-phase or ground faults, insulation breakdown, or temperature extremes. This selection of fuses, relays, surge protection devices, and temperature sensors can be found and used in Battery Energy Storage Systems (BESS), Solar/Photovoltaic (PV) energy solutions, and wind turbines.

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Types of Circuit Protection

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Results: 335

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Part #

Industrial & Electrical Fuses 70A 500VAC 450VDC FF L50S POWR-SPEED

L50S070.T
Littelfuse
1: ¥12,514
10In Stock

Mfr. Part #
L50S070.T

Mouser Part #
576-L50S070.T

Industrial & Electrical Fuses 70A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

10In Stock

¥12,514

¥10,381.3

¥9,990.9

¥7,924.6

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 350A 500VAC 450VDC FF L50S POWR-SPEED

L50S350.V
Littelfuse
1: ¥24,705.7
4In Stock

Mfr. Part #
L50S350.V

Mouser Part #
576-L50S350.V

Industrial & Electrical Fuses 350A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

4In Stock

¥24,705.7

¥20,485.1

¥18,888.9

¥15,618.4

¥14,374.3

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 550A

PSX1XLFL0550X
Littelfuse
1: ¥119,598.6
1In Stock

Mfr. Part #
PSX1XLFL0550X

Mouser Part #
576-PSX1XLFL0550X

Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 550A

Datasheet

1In Stock

¥119,598.6

¥97,618.6

¥86,355.4

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A

PSX3XLDB1000X
Littelfuse
1: ¥161,236.6
112Expected 1/5/2027

Mfr. Part #
PSX3XLDB1000X

Mouser Part #
576-PSX3XLDB1000X

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A

Datasheet

112Expected 1/5/2027

¥161,236.6

¥133,519.5

¥122,977.1

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSO R

GT202F1K
Littelfuse
1: ¥255.8
3,000On Order

Mfr. Part #
GT202F1K

Mouser Part #
576-GT202F1K

NTC Thermistors THERMISTOR, US SENSO R

Datasheet

3,000On Order

¥255.8

¥244.2

¥229.2

¥219.3

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS050.T
Littelfuse
1: ¥8,884.7
64On Order

Mfr. Part #
L50QS050.T

Mouser Part #
576-L50QS050.T

Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

64On Order

¥8,884.7

¥8,466.1

¥7,494.4

¥6,745.3

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS125.V
Littelfuse
1: ¥15,914
45Expected 10/30/2026

Mfr. Part #
L50QS125.V

Mouser Part #
576-L50QS125.V

Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

45Expected 10/30/2026

¥15,914

¥13,216.6

¥12,808

¥10,474.3

¥9,755.1

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS500.X
Littelfuse
1: ¥37,048.6
14On Order

Mfr. Part #
L50QS500.X

Mouser Part #
576-L50QS500.X

Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

14On Order

¥37,048.6

¥30,901.2

¥28,398.1

¥24,928.3

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS300.X
Littelfuse
1: ¥44,049.7
10Expected 8/26/2026

Mfr. Part #
L70QS300.X

Mouser Part #
576-L70QS300.X

Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED

Datasheet

10Expected 8/26/2026

¥44,049.7

¥36,513.8

¥33,495.7

¥28,497.8

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A

PSX1XLUB0200X
Littelfuse
1: ¥71,087.5
12Expected 10/5/2026

Mfr. Part #
PSX1XLUB0200X

Mouser Part #
576-PSX1XLUB0200X

Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A

Datasheet

12Expected 10/5/2026

¥71,087.5

¥58,618.4

¥51,019.3

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL BOLTED BL 800A

PSX3XLUB0800X
Littelfuse
1: ¥139,763.2
5Expected 11/25/2026

Mfr. Part #
PSX3XLUB0800X

Mouser Part #
576-PSX3XLUB0800X

Industrial & Electrical Fuses SQB SIZE 3XL BOLTED BL 800A

Datasheet

5Expected 11/25/2026

¥139,763.2

¥114,348.2

¥106,586.4

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS035.T
Littelfuse
1: ¥10,135.4
117On Order

Mfr. Part #
L50QS035.T

Mouser Part #
576-L50QS035.T

Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

117On Order

¥10,135.4

¥8,535.9

¥7,869.8

¥6,745.3

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750V FAST BLOW 35A

L75QS035.V
Littelfuse
1: ¥16,872.4
225Expected 9/24/2026

Mfr. Part #
L75QS035.V

Mouser Part #
576-L75QS035.V

Industrial & Electrical Fuses 750V FAST BLOW 35A

Datasheet

225Expected 9/24/2026

¥16,872.4

¥14,611.8

¥13,508.9

¥11,175.2

¥10,289.9

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A

L75QS060.V
Littelfuse
1: ¥17,664.7
186Expected 10/5/2026

Mfr. Part #
L75QS060.V

Mouser Part #
576-L75QS060.V

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A

Datasheet

186Expected 10/5/2026

¥17,664.7

¥14,648.4

¥13,068.7

¥11,175.2

¥10,289.9

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A

L75QS150.V
Littelfuse
1: ¥28,534.3
30Expected 9/10/2026

Mfr. Part #
L75QS150.V

Mouser Part #
576-L75QS150.V

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A

Datasheet

30Expected 9/10/2026

¥28,534.3

¥24,410.1

¥21,978.4

¥18,948.7

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A

PSX3XLFL1000X
Littelfuse
1: ¥161,241.6
7Expected 1/19/2027

Mfr. Part #
PSX3XLFL1000X

Mouser Part #
576-PSX3XLFL1000X

Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A

Datasheet

7Expected 1/19/2027

¥161,241.6

¥128,906.9

¥121,618.4

Min.: 1
Mult.: 1

NTC Thermistors NTC THRM GLASS BEAD 3435 10K 10%

GR103E1K
Littelfuse
1: ¥136.2
454Expected 8/31/2026

Mfr. Part #
GR103E1K

Mouser Part #
576-GR103E1K

NTC Thermistors NTC THRM GLASS BEAD 3435 10K 10%

Datasheet

454Expected 8/31/2026

¥136.2

¥128.2

¥120.1

¥114.4

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS060.T
Littelfuse
1: ¥10,648.7
27Expected 10/29/2026

Mfr. Part #
L50QS060.T

Mouser Part #
576-L50QS060.T

Industrial & Electrical Fuses 60A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

27Expected 10/29/2026

¥10,648.7

¥8,429.6

¥7,946.2

¥6,745.3

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS175.V
Littelfuse
1: ¥16,744.5
10Expected 9/17/2026

Mfr. Part #
L50QS175.V

Mouser Part #
576-L50QS175.V

Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

10Expected 9/17/2026

¥16,744.5

¥13,886

¥12,638.5

¥10,595.5

¥9,755.1

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS350.X
Littelfuse
1: ¥38,827.5
6Expected 9/17/2026

Mfr. Part #
L70QS350.X

Mouser Part #
576-L70QS350.X

Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED

Datasheet

6Expected 9/17/2026

¥38,827.5

¥35,219.8

¥32,544

¥26,884.9

Min.: 1
Mult.: 1

PTC Thermistors 1kOhm 5%

102PS1J
Littelfuse
1: ¥255.8
1,148On Order

Mfr. Part #
102PS1J

Mouser Part #
803-102PS1J

PTC Thermistors 1kOhm 5%

Datasheet

1,148On Order

¥255.8

¥244.2

¥229.2

¥219.3

View

Min.: 1
Mult.: 1

NTC Thermistors 10K OHM 1% DO-35

103E1G1F
Littelfuse
1: ¥191
490Expected 10/12/2026

Mfr. Part #
103E1G1F

Mouser Part #
803-103E1G1F

NTC Thermistors 10K OHM 1% DO-35

Datasheet

490Expected 10/12/2026

¥191

¥182.7

¥171.1

¥162.6

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR

375Y1G2K
Littelfuse
1: ¥156.1
1,464Expected 8/25/2026

Mfr. Part #
375Y1G2K

Mouser Part #
803-375Y1G2K

NTC Thermistors THERMISTOR, US SENSOR

Datasheet

1,464Expected 8/25/2026

¥156.1

¥147.5

¥138.2

¥131.9

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, U.S. SENS

DC103G9G
Littelfuse
1: ¥127.9
2,127On Order

Mfr. Part #
DC103G9G

Mouser Part #
803-DC103G9G

NTC Thermistors THERMISTOR, U.S. SENS

Datasheet

2,127On Order

¥127.9

¥120.4

¥112.6

¥107.5

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 800A 250VAC 200VDC FF L25S POWR-SPEED

L25S800.V
Littelfuse
1: ¥26,664
1Expected 1/5/2027

Mfr. Part #
L25S800.V

Mouser Part #
576-L25S800.V

Industrial & Electrical Fuses 800A 250VAC 200VDC FF L25S POWR-SPEED

Datasheet

1Expected 1/5/2027

¥26,664

¥25,526.2

Min.: 1
Mult.: 1