Circuit Protection – Mouser Japan

.hide-partial { max-height: none; } .show-more { display: none; }

AC Protection & Motor Control in HVAC Solutions

Littelfuse AC Protection and Motor Control in HVAC Solutions are essential to improve energy efficiency in commercial and industrial buildings. These solutions include fuses, surge protection devices, voltage monitors, transducers, sensors, and time delay relays. Littelfuse AC Protection and Motor Control in HVAC products are designed for control units, rectifiers, inverters, communication interfaces, and user interfaces.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 1,997

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Industrial & Electrical Fuses 100A 300VAC

JLLN100.V
Littelfuse
1: ¥7,384.8
111In Stock

Mfr. Part #
JLLN100.V

Mouser Part #
576-JLLN100.V

Littelfuse

Industrial & Electrical Fuses 100A 300VAC

Learn More

Datasheet

111In Stock

¥7,384.8

¥6,069.3

¥5,576

¥5,228.8

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300V F/A CLASS T 150A PLTD

JLLN150.XXP
Littelfuse
1: ¥12,794.7
45In Stock

Mfr. Part #
JLLN150.XXP

Mouser Part #
576-JLLN150.XXP

Littelfuse

Industrial & Electrical Fuses 300V F/A CLASS T 150A PLTD

Learn More

Datasheet

45In Stock

¥12,794.7

¥10,552.3

¥9,683.6

¥8,217

¥7,736.9

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 300VAC 125VDC Class T

JLLN200.X
Littelfuse
1: ¥11,917.7
98In Stock

Mfr. Part #
JLLN200.X

Mouser Part #
576-JLLN200.X

Littelfuse

Industrial & Electrical Fuses 200A 300VAC 125VDC Class T

Learn More

Datasheet

98In Stock

¥11,917.7

¥9,858

¥9,620.5

¥8,296.7

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .25A 600VAC 300VDC Slo-Blo

KLDR.250TXP
Littelfuse
1: ¥6,031.1
331In Stock

Mfr. Part #
KLDR.250TXP

Mouser Part #
576-KLDR.250TXP

Littelfuse

Industrial & Electrical Fuses .25A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

331In Stock

¥6,031.1

¥5,514.5

¥5,084.3

¥4,473.1

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 1A 600VAC 300VDC Slo-Blo

KLDR001.TXP
Littelfuse
1: ¥5,886.6
238In Stock

Mfr. Part #
KLDR001.TXP

Mouser Part #
576-KLDR001.TXP

Littelfuse

Industrial & Electrical Fuses 1A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

238In Stock

¥5,886.6

¥4,906.6

¥4,360.1

¥3,800.4

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 4A 600VAC 300VDC Slo-Blo

KLDR004.TXP
Littelfuse
1: ¥6,411.5
587In Stock

Mfr. Part #
KLDR004.TXP

Mouser Part #
576-KLDR004.TXP

Littelfuse

Industrial & Electrical Fuses 4A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

587In Stock

¥6,411.5

¥5,318.5

¥4,408.3

¥4,062.8

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 5A 600VAC 300VDC Slo-Blo

KLDR005.TXP
Littelfuse
1: ¥5,830.1
201In Stock
440Expected 8/25/2026

Mfr. Part #
KLDR005.TXP

Mouser Part #
576-KLDR005.TXP

Littelfuse

Industrial & Electrical Fuses 5A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

201In Stock

440Expected 8/25/2026

¥5,830.1

¥4,881.7

¥4,321.9

¥3,870.1

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 7A 600VAC 300VDC Slo-Blo

KLDR007.TXP
Littelfuse
1: ¥7,046
71In Stock

Mfr. Part #
KLDR007.TXP

Mouser Part #
576-KLDR007.TXP

Littelfuse

Industrial & Electrical Fuses 7A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

71In Stock

¥7,046

¥5,845.1

¥4,743.8

¥4,084.4

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 1.5A 600VAC 300VDC Slo-Blo

KLDR01.5TXP
Littelfuse
1: ¥6,125.8
104In Stock

Mfr. Part #
KLDR01.5TXP

Mouser Part #
576-KLDR01.5TXP

Littelfuse

Industrial & Electrical Fuses 1.5A 600VAC 300VDC Slo-Blo

Datasheet

104In Stock

¥6,125.8

¥5,082.7

¥4,687.3

¥3,883.4

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 10A 600VAC 300VDC Slo-Blo

KLDR010.TXP
Littelfuse
1: ¥6,119.1
204In Stock

Mfr. Part #
KLDR010.TXP

Mouser Part #
576-KLDR010.TXP

Littelfuse

Industrial & Electrical Fuses 10A 600VAC 300VDC Slo-Blo

Datasheet

204In Stock

¥6,119.1

¥5,110.9

¥4,934.8

¥4,134.2

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 600VAC 300VDC Slo-Blo

KLDR015.TXP
Littelfuse
1: ¥5,929.8
558In Stock

Mfr. Part #
KLDR015.TXP

Mouser Part #
576-KLDR015.TXP

Littelfuse

Industrial & Electrical Fuses 15A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

558In Stock

¥5,929.8

¥4,984.7

¥4,441.5

¥3,929.9

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 20A 600VAC 300VDC Slo-Blo

KLDR020.TXP
Littelfuse
1: ¥6,383.2
184In Stock

Mfr. Part #
KLDR020.TXP

Mouser Part #
576-KLDR020.TXP

Littelfuse

Industrial & Electrical Fuses 20A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

184In Stock

¥6,383.2

¥5,296.9

¥4,615.9

¥4,046.2

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 1A 600VAC 600VDC Midget

KLKD001.T
Littelfuse
1: ¥4,365.1
103In Stock

Mfr. Part #
KLKD001.T

Mouser Part #
576-KLKD001.T

Littelfuse

Industrial & Electrical Fuses 1A 600VAC 600VDC Midget

Learn More

Datasheet

103In Stock

¥4,365.1

¥3,654.2

¥3,212.4

¥2,838.6

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 3A 600VAC 600VDC Midget

KLKD003.T
Littelfuse
1: ¥8,182.1
144In Stock

Mfr. Part #
KLKD003.T

Mouser Part #
576-KLKD003.T

Littelfuse

Industrial & Electrical Fuses 3A 600VAC 600VDC Midget

Learn More

Datasheet

144In Stock

¥8,182.1

¥6,846.6

¥5,436.5

¥5,200.6

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 8A 600VAC 600VDC Midget

KLKD008.T
Littelfuse
1: ¥4,391.7
110In Stock

Mfr. Part #
KLKD008.T

Mouser Part #
576-KLKD008.T

Littelfuse

Industrial & Electrical Fuses 8A 600VAC 600VDC Midget

Learn More

Datasheet

110In Stock

¥4,391.7

¥3,644.2

¥3,360.2

¥2,783.8

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 20A 600VAC 600VDC Midget

KLKD020.T
Littelfuse
1: ¥4,051.2
177In Stock

Mfr. Part #
KLKD020.T

Mouser Part #
576-KLKD020.T

Littelfuse

Industrial & Electrical Fuses 20A 600VAC 600VDC Midget

Learn More

Datasheet

177In Stock

¥4,051.2

¥3,579.5

¥3,360.2

¥2,785.5

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC 600VDC Midget

KLKD025.T
Littelfuse
1: ¥4,391.7
171In Stock

Mfr. Part #
KLKD025.T

Mouser Part #
576-KLKD025.T

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 600VDC Midget

Learn More

Datasheet

171In Stock

¥4,391.7

¥3,567.8

¥3,111.1

¥2,783.8

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 3A 600VAC 300VDC Fast Acting

KLKR003.T
Littelfuse
1: ¥5,267
171In Stock

Mfr. Part #
KLKR003.T

Mouser Part #
576-KLKR003.T

Littelfuse

Industrial & Electrical Fuses 3A 600VAC 300VDC Fast Acting

Learn More

Datasheet

171In Stock

¥5,267

¥4,375.1

¥4,036.2

¥3,797

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 4A 600VAC 300VDC Fast Acting

KLKR004.T
Littelfuse
1: ¥5,549.4
224In Stock

Mfr. Part #
KLKR004.T

Mouser Part #
576-KLKR004.T

Littelfuse

Industrial & Electrical Fuses 4A 600VAC 300VDC Fast Acting

Learn More

Datasheet

224In Stock

¥5,549.4

¥4,604.3

¥4,248.8

¥3,519.7

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 5A 600VAC 300VDC Fast Acting

KLKR005.T
Littelfuse
1: ¥5,355.1
133In Stock

Mfr. Part #
KLKR005.T

Mouser Part #
576-KLKR005.T

Littelfuse

Industrial & Electrical Fuses 5A 600VAC 300VDC Fast Acting

Learn More

Datasheet

133In Stock

¥5,355.1

¥4,436.5

¥3,748.9

¥3,381.8

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 8A 600VAC 300VDC Fast Acting

KLKR008.T
Littelfuse
1: ¥5,549.4
228In Stock

Mfr. Part #
KLKR008.T

Mouser Part #
576-KLKR008.T

Littelfuse

Industrial & Electrical Fuses 8A 600VAC 300VDC Fast Acting

Learn More

Datasheet

228In Stock

¥5,549.4

¥4,604.3

¥4,248.8

¥3,993

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 10A 600VAC 300VDC Fast Acting

KLKR010.T
Littelfuse
1: ¥5,272
624In Stock

Mfr. Part #
KLKR010.T

Mouser Part #
576-KLKR010.T

Littelfuse

Industrial & Electrical Fuses 10A 600VAC 300VDC Fast Acting

Learn More

Datasheet

624In Stock

¥5,272

¥4,373.4

¥3,833.6

¥3,343.6

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 600VAC 300VDC Fast Acting

KLKR015.T
Littelfuse
1: ¥5,273.7
141In Stock
250Expected 9/30/2026

Mfr. Part #
KLKR015.T

Mouser Part #
576-KLKR015.T

Littelfuse

Industrial & Electrical Fuses 15A 600VAC 300VDC Fast Acting

Learn More

Datasheet

141In Stock

250Expected 9/30/2026

¥5,273.7

¥4,325.2

¥3,845.2

¥3,441.6

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC 300VDC Fast Acting

KLKR025.T
Littelfuse
1: ¥5,654
155In Stock

Mfr. Part #
KLKR025.T

Mouser Part #
576-KLKR025.T

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 300VDC Fast Acting

Learn More

Datasheet

155In Stock

¥5,654

¥4,690.7

¥3,868.5

¥3,652.5

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS150.V
Littelfuse
1: ¥16,297.7
59In Stock
130Expected 9/10/2026

Mfr. Part #
L50QS150.V

Mouser Part #
576-L50QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

59In Stock

130Expected 9/10/2026

¥16,297.7

¥13,592

¥12,542.2

¥10,809.8

¥9,755.1

Min.: 1
Mult.: 1