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SPFR SeRieS and SPFRHV SeRieS

SPFR 1000 VDC Solar Fuse

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





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

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

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



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



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





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



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

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

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

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

























































































































































































































































































































































































































































































































































































Specifications

Voltage Rating:

1000 VDC

Ampere Rating:

250, 300, 350, 400

Interrupting Rating:

10,000 A; Time Constant less than 1 ms

Fuse Type:

Fast-acting

Approvals:

UL 248 Recognized (File: 71611)

CSA Certified (File: 29862)

Ordering Information

Dimensions mm (inches)

298.806 ± 0.78

(11.764 ± 0.032)

189.941 ± 0.77

(7.478 ± 0.032)

aMPeRaGe

PaRT nuMbeR

ORdeRinG nuMbeR

250

SPFR 250

SPFR250.X

300

SPFR 300

SPFR300.X

350

SPFR 350

SPFR350.X

400

SPFR 400

SPFR400.X

Web Resources

Downloadable CAD drawings and other technical information:

Littelfuse.com/spfr

Dimensions mm (inches)

Description

The Littelfuse SPFRHV fuse block is designed to hold

Littelfuse high amperage (250-400 A) SPFR fuses.

Specifications

Voltage Rating:

1000 VDC

Amperage Rating:

250 - 400 A

Approvals:

UL 4248 Recognized (File: E14721)

CSA (File: 29862)

Environmental:

RoHS Compliant

Ordering Information

Web Resources

Downloadable CAD drawings and other technical information:

Littelfuse.com/spfrhv

Description

The SPFR series was designed to meet the growing needs

of the solar industry with higher amperage and voltage re-

quirements. It was developed specifically for solar applica-

tions, ranging from 250 A to 400 A.

Applications

• Solar Inverters

• High-amperage combiner boxes

Features/Benefits

• DC Voltage rating meets European system requirements

and North American utility scale requirements

• Multiple amperage ratings

• UL Class H Dimensions

• Full Range Protection

SPFRHV 1000 VDC Fuse Block

ORdeRinG nuMbeR

aMPeRaGe

SPFRHV4001ST

250 – 400