SOLAR
PRODUCTS CATALOG
1500 V DC PRODUCTS
OVERVOLTAGE PROTECTION
PROTECTION RELAYS
IN-LINE FUSES
SURGE PROTECTION
SWITCH PRODUCTS
With over 60 million devices installed in photovoltaic power systems, Littelfuse understands the global challenges of the solar
market. Littelfuse offers numerous circuit-protection products that are uniquely suited to protect the equipment and systems
subject to the harsh environments of standard photovoltaic installations.
Solar-Rated Products by Application
Look for this logo to indicate products that are used in solar applications. Visit our website
Littelfuse.com/Solar for the latest updates on approvals, certifications, and new products.
D
String Inverter
600 V to 1000 V Fuses
Touch-Safe Fuse Holders
Power Distribution Blocks
Varistor Products
Surge Protective Devices
Dc Disconnect Switches
Temperature Sensors
Class J Fuse Disconnect Switches
Micro Inverter &
Solar Shingles
TVS Diodes/SCRs
Varistor Products
Temperature Sensors
86 V Surface-Mount Fuse
Small Inverter
TVS Diodes/SCRs
Varistor Products
Temperature Sensors
Central Inverter
600 V to 1500 V Fuses
Power Distribution Blocks
Dc Earth Leakage/Gound-Fault Relays
Varistor Products
Surge Protective Devices
1000 V to 1500 V High-Speed Semicondutor Fuses
Temperature Sensors
Class J Fuse Disconnect Switches
Wiring Harness
1000 V to 1500 V In-Line Fuses
Combiner Box
1000 V to 1500 V Fuses
Touch-Safe Fuse Holders
Power Distribution Blocks
Surge Protective Devices
Dc Disconnect Switches
Array Combiner
1000 V to 1500 V Fuses
Fuse Blocks
Touch-Safe Fuse Holders
Surge Protective Devices
Dc Disconnect Switches
Solar Products
Littelfuse.com/solar
© 2023 Littelfuse, Inc.
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1500 V RATED PRODUCTS
SPXV String Fuses ......................................................................................................................................................................................... 2
SPXI In-Line Fuses .........................................................................................................................................................................................4
SPNH Fuses ..................................................................................................................................................................................................6
LFXV15 Series Fuse Block & Cover .............................................................................................................................................................12
LFPXV Touch-Safe Fuse Holders .................................................................................................................................................................15
LFNH Fuse Block..........................................................................................................................................................................................18
1000 V RATED PRODUCTS
SPFJ High Amperage Fuses ........................................................................................................................................................................22
SPF String Fuses..........................................................................................................................................................................................23
SPFI In-Line Fuses .......................................................................................................................................................................................24
LFJ1000 Open-Face Fuse Blocks ................................................................................................................................................................. 25
LPHV POWR-Safe Fuse Holders .................................................................................................................................................................. 26
Bus Bar System ...........................................................................................................................................................................................27
600 V RATED PRODUCTS
Bus Bar System ...........................................................................................................................................................................................27
LPSC/LPSM POWR-Safe Dead-Front Fuse Holders ....................................................................................................................................28
KLKD 10 x 38 mm (Midget) Fuses ...............................................................................................................................................................29
POWR-BLOKS Distribution Blocks and Covers ...........................................................................................................................................33
100 V OR LESS RATED PRODUCTS
400PV Series – 2410 Photovoltaic Fuse (86 V Dc Surface-Mount Fuse) .................................................................................................... 34
OVERVOLTAGE & SWITCHING ELECTRONIC PRODUCTS
IGBT Power Modules ..................................................................................................................................................................................37
Transient Voltage Suppression (TVS) Diodes .............................................................................................................................................38
Overvoltage Suppression Varistors (MOV) .................................................................................................................................................39
PROTECTION RELAY PRODUCTS
SE-601 Ground-Fault Monitor .....................................................................................................................................................................40
EL731 Sensitive Earth-Leakage Relay.........................................................................................................................................................41
SURGE PROTECTIVE DEVICE PRODUCTS
SPD2 PV Series Surge Protective Device....................................................................................................................................................42
SWITCH PRODUCTS
LS7 Series 1500 V Dc Disconnect Switches ............................................................................................................................................... 44
LS6R Series 1500 V Dc Disconnect Switches ............................................................................................................................................52
LS6 Series 1000 V Dc Disconnect Switches ............................................................................................................................................... 56
LM3030 30 A Class J Fuse Disconnect Switches ......................................................................................................................................64
LM3060 60 A Class J Fuse Disconnect Switches ......................................................................................................................................69
LM3100 100 A Class J Fuse Disconnect Switches ....................................................................................................................................74
LM3200 200 A Class J Fuse Disconnect Switches ....................................................................................................................................79
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