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®
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Rev: 020314
POWR-GARD
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Fuse Datasheet
1 of 3
SPXN SERIES SOLAR FUSE
1500 Vdc • 200 – 400 A
Specifications
Voltage Rating: 1500 Vdc
Amperage Rating: 200, 250, 300, 315, 350, 400
Max. Interrupting Rating: 30 kA
Time Constant ≤ 1ms
Material: Body: Melamine
Caps: Copper Alloy
Approvals: UL 2579 (pending)
IEC 60269-6 (pending)
Environmental: RoHS Compliant
Reach
Country of Origin: Mexico
Part Numbering System
SPXN xxx X
Package Quantity
Series
Amp Code
X = 1Refer to Amp Code
Column in Ordering
Information Table
SERIES AMP
PACKAGE
QUANTITY
CATALOG
NUMBER
ORDERING
NUMBER
SPXN 315 1 SPXN315 SPXN315.X
SPXN 400 1 SPXN400 SPXN400.X
Description
The Littelfuse SPXN solar array fuse is designed
specifically for 200-400 A 1500 Vdc applications.
Features/Benefits
• NH3L package size
• Designed to meet UL 2579, IEC 60269-6
• 30,000 A interrupting rating
Applications
• Inverters
• Re-combiner boxes
Web Resources
Download technical documents: littelfuse.com/spxn
Dimensions Inches (mm)
200 – 400 A
1.49
(37.8)
8.071
(205.0)
4.65
(118.1)
.48
(12.2)
.53
(13.5)
.703
(17.9)
.24
(6.1)
.79
(20.1)
2.880
(73.2)
.58
(14.7)
1.61
(40.9)
4.85
(123.2)
4.95
(125.7)
6.72
(170.7)
SPECIFICATIONS SUBJECT TO CHANGE
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