L25S008.T,L25S001.T,L25S002.T,L25S003.T,L25S004.T,L25S005.T,

?June 2011 Littelfuse

1c7358d489eb172ded63b768 1

150/250/500/600/700 VAC ? Very Fast-Acting ? 1 – 1200 Amperes

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?June 2011 Littelfuse

1c7358d489eb172ded63b768

2L15S Series, 150 Volts AC

L25S Series, 250 Volts AC

L50S Series, 500 Volts AC / 450 Volts DC

150/250/500/600/700 VAC ? Very Fast-Acting ? 1-1000 Amperes

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?June 2011 Littelfuse

1c7358d489eb172ded63b768 3

150/250/500/600/700 VAC ? Very Fast-Acting ? 1-1000 Amperes

KLC Series, 600 Volts AC

L70S Series, 700 Volts AC/600 Volts DC

L60S Series, 600 Volts AC

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?June 2011 Littelfuse

1c7358d489eb172ded63b768 4Specifications

Voltage Rating: AC: 150 V

DC: 150 V Interrupting Rating: 100 kA Ampere Range: 1 – 6000 A Approvals:

UL Recognized

150 VAC ? Very Fast-Acting ? 1-6000 Amperes

Figure 1Figure 2

Figure 3Figure 4Figure 5

Dimensions for reference only.

Dimensions

Web Resources

TC Curves, downloadable CAD drawings and other technical information: 1c7358d489eb172ded63b768/la15qs

LA15QS Series

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?June 2011 Littelfuse

1c7358d489eb172ded63b768 5300 VAC ? Very Fast-Acting ? 35-4500 Amperes Specifications

Voltage Rating:

AC: 300 V

DC: 300 V Interrupting Rating: 200 kA Ampere Range: 35 – 4500 A Approvals:

UL Recognized

Figure 1Figure 2

Figure 3

Figure 4

Dimensions for reference only .Web Resources

TC Curves, downloadable CAD drawings and other technical information: 1c7358d489eb172ded63b768/la30qs

Dimensions

LA30QS Series

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?June 2011 Littelfuse

1c7358d489eb172ded63b768 6500 VAC ? Very Fast-Acting ? 35-1200 Amperes Specifications

Voltage Rating:

AC: 500 V

DC: 500 V Interrupting Rating: AC: 200 kA DC: 100 kA Ampere Range: 35 – 1200 A Approvals: UL Recognized

CSA Certified

LA50QS Series

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?June 2011 Littelfuse

1c7358d489eb172ded63b768 7

600 VAC/DC ? Very Fast-Acting ? 5-40 Amperes 690 VAC/700 VDC ? Very Fast-Acting ? 10-100 Amperes Specifications

Voltage Rating: AC: 600 V DC: 600 V Interrupting Rating: AC: 200 kA DC: 100 kA Ampere Range: 5 – 40 A Approvals:

UL Recognized

Description

Littelfuse LA60Q semiconductor protection fuses feature a 600 volt AC/DC rating in a compact size (1 1?2” x 13?32”). LA60Q also has the lowest I 2t of all similar fuses and

excellent cycling ability. Applications include inverters and small equipment requiring extremely fast response to

faults, without the need to carry sustained heavy overloads.

Dimensions in inches

Contact Littelfuse for characteristic curves.

Description

Littelfuse LA70QS semiconductor fuses were developed to provide improved performance required by today’s new equipment. The LA70QS features lower I 2t, improved cycling, and lower watts loss. It is the best choice for the protection of dynamic solid-state equipment.

Dimensions in inches (mm)

Please see website for dimensions:

1c7358d489eb172ded63b768/la70qs

Specifications

Voltage Rating: AC: 690 V

DC: 700 V Interrupting Rating: AC: 200 kA DC: 100 kA Ampere Range: 10 – 100 A Approvals: UL Recognized

CSA Certified

Web Resources

TC Curves, downloadable CAD drawings and other technical information: 1c7358d489eb172ded63b768/la70qs

Recommended Fuseholders

CYH series for non-striker fuses LA70QS(amp)22F ..pg. 173 CYH1451 series for LA70QS(amp)14F ......................pg. 173

Web Resources

TC Curves, downloadable CAD drawings and other technical

information:

1c7358d489eb172ded63b768/la60qs

LA60Q Series Semiconductor Fuses

LA70QS Series French Cylindrical Fuses

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?June 2011 Littelfuse

1c7358d489eb172ded63b768 8

700 VAC/VDC ? Very Fast-Acting ? 35-800 Amperes

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?June 2011 Littelfuse

1c7358d489eb172ded63b768 91000 VAC ? Very Fast-Acting ? 15 – 1000 Amperes

Specifications

Voltage Rating: AC: 1000 V DC: 750 V Interrupting Rating: 100 kA Ampere Range: 15 – 1000 A Approvals:

UL Recognized

Figure 1

Figure 3

Figure 2

Figure 4

Web Resources

TC Curves, downloadable CAD drawings and other technical

information: 1c7358d489eb172ded63b768/la100p

Dimensions in inches (mm)

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