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LITTELFUSE SPF Series Fast-Acting Cylindrical Fuse, 3 A, 1000 V DC, SPF003 - Fast-Acting Cylindrical Fuses
LITTELFUSEFast-Acting Cylindrical Fuses

LITTELFUSE SPF Series Fast-Acting Cylindrical Fuse, 3 A, 1000 V DC, SPF003

The LITTELFUSE SPF Series SPF003 is a fast-acting cylindrical fuse rated at 3 A and 1,000 V DC. This solar fuse is designed for overcurrent protection in photovoltaic systems.

SKU 3G-OTH-26774

Also listed as: SPF 003 · SPF-003

Brand
LITTELFUSE
Item
SPF Series Fast-Acting Cylindrical Fuse, 3 A, 1000 V DC, SPF003
Part Number
SPF003
Category
Fast-Acting Cylindrical Fuses
Available to Order
Also known as:SPF003LITTELFUSE
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
SPF003
Series
SPF

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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE SPF Series SPF003 is a fast-acting cylindrical fuse rated at 3 A and 1,000 V DC. This solar fuse is designed for overcurrent protection in photovoltaic systems.

Frequently Asked Questions

What is the LITTELFUSE SPF003 solar fuse used for?

The LITTELFUSE SPF003 is a fast-acting cylindrical fuse used for overcurrent protection in photovoltaic (solar) systems. It safeguards DC circuits against short circuits and overloads, helping prevent damage to solar panels, inverters, and combiner boxes in residential and commercial solar installations.

What are the specifications of the LITTELFUSE SPF003?

The LITTELFUSE SPF003 is part of the SPF Series, rated at 3 A and 1,000 V DC. It is a fast-acting cylindrical fuse designed for solar applications. The manufacturer part number is SPF003, and it is manufactured by LITTELFUSE.

Where to buy the LITTELFUSE SPF003 worldwide?

You can source the LITTELFUSE SPF003 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine LITTELFUSE components for solar protection.

How to select the correct LITTELFUSE SPF series fuse for a solar system?

Select the SPF series fuse based on the system's maximum DC voltage and continuous current. The SPF003 is rated for 3 A at 1,000 V DC. Ensure the fuse's voltage rating meets or exceeds the array's open-circuit voltage, and the current rating is slightly above the string's maximum operating current for reliable overcurrent protection.

Used in

Common applications for LITTELFUSE
Industrial drives — Littelfuse PSR series semiconductor fuses for overcurrent protection of variable-frequency drives and DC bus circuits.
Branch circuit protection — Littelfuse CCMR series time-delay fuses in control panels and distribution boards.
Compact equipment — Littelfuse SLC series Class G fuses in rejection-style holders for space-constrained branch circuits.
Main service entrance — Littelfuse KLPC series Class L bolt-on fuses for high-current industrial power distribution.
Motor circuits — Littelfuse FLSR series Class RK5 time-delay fuses for motor branch circuits and transformers.
Power supplies — Littelfuse 473 series axial-lead time-delay fuses for solder-in protection in power supplies and instrumentation.
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LITTELFUSE Products

3G Electric supplies LITTELFUSE fast-acting cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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