Littelfuse SPXI Series User Manual
Spxi series in-line solar fuse, Powr-gard, Fuse datasheet
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littelfuse.com
© 2014 Littelfuse POWR-GARD
®
Products
Rev: 020414
POWR-GARD
®
Fuse Datasheet
1 of 3
SPXI SerIeS In-LIne SoLar FUSe
1500 VDC • 2.5-3.5 A
Patent Pending
Specifications
Voltage Rating:
1500 VDC
Amperage Rating:
2.5-3.5 A
(contact factory for more amperages)
Max. Interrupting Rating:
15 kA
Time Constant
≤ 1ms
Material:
Body: Melamine
Caps: Copper Alloy (Nickel Plated)
Approvals:
UL 2579 Recognized (File: E339112)
Environmental:
RoHS Compliant
Country of Origin:
Mexico
Part Numbering System
SPXI xxx T
Package Quantity
Series
Amp Code
T = 10
L = 50
Refer to Amp Code
Column in Ordering
Information Table
SerIeS amP
Package
QUantIty
cataLog
nUmber
orderIng
nUmber
SPXI
2.5
10
SPXI02.5
SPXI02.5T
SPXI
3.5
50
SPXI03.5
SPXI03.5L
Description
The Littelfuse SPXI solar fuse is designed to integrate
into an in-line assembly within a wire harness. The fuse
provides photovoltaic (PV) protection that meets UL 2579 for
photovoltaic applications. The SPXI can be electrically insulated
by either overmolding or using approved heat-shrink.
Features/Benefits
• Meets UL 2579 photovoltaic specifications
• 15,000 A interrupting rating
• No fuse holder required
Applications
• Photovoltaic wire harness
Recommended Crimping Tool
T&B Sta-Kon ERG4002 or equivalent
Weidmüller HTN 21 or equivalent
Web Resources
Download technical documents: littelfuse.com/spxi
Dimensions mm (in)
81.41
(3.205)
10.31
(0.406)
5.59
(0.220)
9.53
(0.375)
ш 3.56
(0.140)