Littelfuse SPFR Series User Manual
Spfr series and spfrhv series, Powr-gard, Blocks and holders datasheet
POWR-GARD
®
Blocks and Holders Datasheet
Littelfuse.com
© 2013 Littelfuse POWR-GARD
®
Products
Rev: 071013
1 of 1
SPFR SeRieS and SPFRHV SeRieS
SPFR 1000 VDC Solar Fuse
1 of 1
®
®
®
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