Littelfuse.com/spnh

© 2021 Littelfuse, Inc.

Rev: 2-B-083021

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SPNH SERIES SOLAR FUSE

1500 V dc • 50–400 A • NH Style

Description

The SPNH series has been designed to meet the emerging

circuit protection needs for 1500 volt photovoltaic systems.

These fuses provide full range protection for all potential

overcurrent conditions that exist in PV applications. Suitable

for PV inverter protection and array combiner applications.

Features/Benefits



Compact NH XL sizes



Low watt loss design



1500 V dc rating for high efficiency designs



Designed to protect against a full range of overcurrents

Applications



Inverters



Re-combiner boxes



Array/Re-combiner application



PV Inverter dc input protection

Web Resources



Download technical documents: Littelfuse.com/spnh

Specifications

Voltage Rating

1500 V dc

Amperage Rating

50, 63, 80, 100, 125, 160, 200, 250, 315,

350, 400 A

Interrupting Rating

30 kA, 50 kA

Time Constant

Material

Body: ceramic

End Bells: copper alloy

Approvals

UL 248-19 Listed (File: E339112)

Applicable Standards

UL 248-1, 248-19

IEC 60269-6

Environmental

RoHS Compliant

SERIES

AMP

PACKAGE

QUANTITY

CATALOG

NUMBER

ORDERING

NUMBER

SPNH

50

1

SPNH050

SPNH050.X

SPNH

200

1

SPNH200

SPNH200.X

SPNH

400

1

SPNH400

SPNH400.XXDLMS

*Solid blade option for 1XL case size does not require a case or termination designator for

the part number.

Part Numbering System

SPNH XXX .X X DL

Series

Amp Code

Package Quantity

X = 1

Case Size*

X = 1XL size

2XL = 2XL size

3L = 3L size

Termination*

Blank = solid blade

w/Microswitch tab

DL = S blade

DE = U blade

DLMS = S blade

w/Microswitch tab

DEMS = U blade

w/Microswitch tab

Refer to Amp Code

Column in Ordering

Information table

Recommended Accessories

1XL Case Size

Fuse Holder: LFNH152001CST

Fuse Terminial Covers: LFNH15200FBC

2XL Case Size

Fuse Holder: LFNH154001CST

Fuse Terminial Covers: LFNH15400FBC

3L Case Size

Fuse Holder: LFNH156301CST

Fuse Terminial Covers: LFNH15630FBC

Microswitch

MSSPNH1500X

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