Littelfuse SPFR SER IES Catalog Page

POWR-GARD® Fuse Datasheet

Solar-Rated High-Amp Fuse

SPFr SerIeS 1000 VDC HIgH-amPerage Solar FuSeS

1000 VDC • Fast-Acting • 250-400 Amperes

Specifications

Voltage Rating:
Ampere Ratings:
Interrupting Rating :
Fuse Type:
Approvals:

(File No. 71611)
CSA Certified (File No. 29862)

Ordering Information

Cata lo g Num ber SYS te m Number amPer age

1000 VDC

250, 300, 350 and 400 A

10,000 A; Time Constant less than 1ms

Fast-Acting

UL Recognized 1000 VDC UL 248

SPFR 250 SPFR250.X 250
SPFR 300 SPFR300.X 300
SPFR 350 SPFR350.X 350
SPFR 400 SPFR400.X 400

Description

The SPFR series was designed to meet the growing needs
of the solar industry with higher amperage and voltage
requirements. It was developed specifically for solar
applications 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

Web Resources

Downloadable CAD drawings and other technical information:

www.littelfuse.com/spfr

Recommended Fuseholders

SPFRHV Series

Dimensions in mm (inches)

298.806
[11.764

189.941
[7.478

Look for this logo to indicate products that are used in solar applications.
Visit our website www.littelfuse.com/solar for the latest updates on
approvals, certifications, codes and standards.

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© JUNE 2011 Littelfuse POWR-GARD Productswww.littelfuse.com