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LITTELFUSE FLSR17.5 Time-Delay Cylindrical Fuse - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE FLSR17.5 Time-Delay Cylindrical Fuse

The LITTELFUSE Fuse is a Class RK5, FLSR Series, Time-Delay Cylindrical Fuse rated at 17.5 A, 600 V AC and 300 V DC, non-indicating (MPN FLSR17.5). 3G Electric interprets this demand and sources it across 14…

SKU 3G-OTH-25772

Also listed as: FLSR175 · FLSR17 5 · FLSR17-5

Brand
LITTELFUSE
Item
FLSR17.5 Time-Delay Cylindrical Fuse
Category
Time-Delay Cylindrical Fuses
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLSR17.5
Series
FLSR
Type
FLSR Series, Time-Delay, 17.5 A, Non-Indicating
AC
600 V
DC
300 V

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

Product Description

The LITTELFUSE Fuse is a Class RK5, FLSR Series, Time-Delay Cylindrical Fuse rated at 17.5 A, 600 V AC and 300 V DC, non-indicating (MPN FLSR17.5). 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in electrical components as an authorised distributor.

Frequently Asked Questions

What is the LITTELFUSE FLSR17.5 fuse used for?

The LITTELFUSE FLSR17.5 is a Class RK5 time-delay cylindrical fuse rated 17.5 A, 600 V AC, 300 V DC. It protects motor circuits, transformers, and other inductive loads from overcurrent and short circuits, allowing harmless inrush currents without nuisance opening.

What are the specifications of the LITTELFUSE FLSR17.5 fuse?

The LITTELFUSE FLSR17.5 is a Class RK5, time-delay, non-indicating fuse rated 17.5 A, 600 V AC, 300 V DC. It belongs to the FLSR series and is designed for overcurrent protection in industrial power distribution and motor control applications.

Where to buy LITTELFUSE FLSR17.5 fuses worldwide?

3G Electric supplies the LITTELFUSE FLSR17.5 fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this FLSR series fuse.

How to select the correct LITTELFUSE FLSR17.5 fuse for an application?

Select the LITTELFUSE FLSR17.5 fuse based on your circuit's continuous current (17.5 A), voltage rating (600 V AC or 300 V DC), and inrush characteristics. The time-delay feature accommodates motor starting surges. Verify Class RK5 rejection clips and ambient temperature derating per NEC guidelines.

Used in

Common applications for LITTELFUSE
Power electronics protection — Littelfuse PSR Series semiconductor fuses for IGBT and diode protection in variable frequency drives.
Solar photovoltaic systems — Littelfuse SPF Series fast-acting fuses for string overcurrent protection in PV arrays.
Automotive electrical systems — Littelfuse MIDI® 498 Series bolt-on fuses for battery and alternator protection in vehicles.
Industrial control panels — Littelfuse KLKD Series midget fuses for branch circuit protection in control transformers and relays.
Motor control centers — Littelfuse BLF Series fast-acting fuses for short-circuit protection of motor starters and contactors.

LITTELFUSE Products

3G Electric supplies LITTELFUSE time-delay 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Class RK5 time-delay cylindrical fuse rated 25 A, 600 V AC and 300 V DC. Non-indicating design from the FLSR Series. Provides overcurrent protection for branch circuits, motors, transformers, and lighting equipment where time-delay characteristics accommodate inrush currents
LITTELFUSE
Class RK5 time-delay cylindrical fuse rated 25 A, 600 V AC and 300 V DC. Non-indicating design from the FLSR Series. Provides overcurrent protection for branch circuits, motors, transformers, and lighting equipment where time-delay characteristics accommodate inrush currents
The LITTELFUSE FLSR005 is a Class RK5 time-delay cylindrical fuse rated 5 A, 600 V AC and 300 V DC. It is non-indicating and designed for branch-circuit overcurrent protection in industrial equipment such as motor circuits, transformers, and control panels. The time-delay characteristic accommodates inrush currents without nuisance opening
LITTELFUSE
The LITTELFUSE FLSR005 is a Class RK5 time-delay cylindrical fuse rated 5 A, 600 V AC and 300 V DC. It is non-indicating and designed for branch-circuit overcurrent protection in industrial equipment such as motor circuits, transformers, and control panels. The time-delay characteristic accommodates inrush currents without nuisance opening
Class RK5 time-delay cylindrical fuse rated 17.5 A at 250 V AC or 125 V DC. Non-indicating type from the FLNR series. Designed for branch-circuit protection of motor circuits, transformers, and other inductive loads that experience high inrush currents
LITTELFUSE
Class RK5 time-delay cylindrical fuse rated 17.5 A at 250 V AC or 125 V DC. Non-indicating type from the FLNR series. Designed for branch-circuit protection of motor circuits, transformers, and other inductive loads that experience high inrush currents
Class RK5 time-delay cylindrical fuse rated 17.5 A, 600 V AC and 300 V DC. Features visual indication for blown fuse identification. Provides overcurrent and short-circuit protection in industrial circuits such as motor and transformer applications
LITTELFUSE
Class RK5 time-delay cylindrical fuse rated 17.5 A, 600 V AC and 300 V DC. Features visual indication for blown fuse identification. Provides overcurrent and short-circuit protection in industrial circuits such as motor and transformer applications
Class RK5 time-delay cylindrical fuse rated 1 A, 600 V AC and 300 V DC. Non-indicating type from the FLSR Series. Provides overcurrent protection for branch circuits supplying inductive loads such as motors and transformers, accommodating inrush currents without nuisance opening
LITTELFUSE
Class RK5 time-delay cylindrical fuse rated 1 A, 600 V AC and 300 V DC. Non-indicating type from the FLSR Series. Provides overcurrent protection for branch circuits supplying inductive loads such as motors and transformers, accommodating inrush currents without nuisance opening
Class RK5 time-delay cylindrical fuse rated 2.25 A, 600 V AC and 300 V DC. Non-indicating design with time-delay characteristic to withstand inrush currents. Suitable for overcurrent protection in motor circuits, transformers, and lighting systems in industrial and commercial power distribution
LITTELFUSE
Class RK5 time-delay cylindrical fuse rated 2.25 A, 600 V AC and 300 V DC. Non-indicating design with time-delay characteristic to withstand inrush currents. Suitable for overcurrent protection in motor circuits, transformers, and lighting systems in industrial and commercial power distribution

More from LITTELFUSE

View all LITTELFUSE parts →
The LITTELFUSE FLNR040 is a Class RK5, FLNR Series time-delay cylindrical fuse rated at 40 A, 250 V AC and 125 V DC, non-indicating. It provides overcurrent protection for motors, transformers, and lighting circuits, accommodating inrush currents without nuisance opening. Suitable for use in industrial and commercial power distribution systems
LITTELFUSE
The LITTELFUSE FLNR040 is a Class RK5, FLNR Series time-delay cylindrical fuse rated at 40 A, 250 V AC and 125 V DC, non-indicating. It provides overcurrent protection for motors, transformers, and lighting circuits, accommodating inrush currents without nuisance opening. Suitable for use in industrial and commercial power distribution systems
The LITTELFUSE FLSR010 is a Class RK5, time-delay cylindrical fuse rated at 10 A with 600 V AC and 300 V DC capacity. It is non-indicating and belongs to the FLSR series. This fuse is used for branch-circuit protection in industrial control panels, motor starters, and similar applications where time-delay characteristics accommodate inrush currents
LITTELFUSE
The LITTELFUSE FLSR010 is a Class RK5, time-delay cylindrical fuse rated at 10 A with 600 V AC and 300 V DC capacity. It is non-indicating and belongs to the FLSR series. This fuse is used for branch-circuit protection in industrial control panels, motor starters, and similar applications where time-delay characteristics accommodate inrush currents
Class RK5 time-delay cylindrical fuse rated 8 A, 600 V AC and 300 V DC. Features an indicating function that visually signals a blown fuse. Suitable for overload and short-circuit protection in motor circuits, transformers, and general industrial equipment
LITTELFUSE
Class RK5 time-delay cylindrical fuse rated 8 A, 600 V AC and 300 V DC. Features an indicating function that visually signals a blown fuse. Suitable for overload and short-circuit protection in motor circuits, transformers, and general industrial equipment
The LITTELFUSE FLNR012 is a Class RK5, FLNR Series time-delay cylindrical fuse rated 12 A at 250 V AC and 125 V DC. It is non-indicating and designed for branch-circuit protection in equipment with high inrush currents, such as motors, transformers, and lighting circuits. The time-delay characteristic prevents nuisance opening during startup
LITTELFUSE
The LITTELFUSE FLNR012 is a Class RK5, FLNR Series time-delay cylindrical fuse rated 12 A at 250 V AC and 125 V DC. It is non-indicating and designed for branch-circuit protection in equipment with high inrush currents, such as motors, transformers, and lighting circuits. The time-delay characteristic prevents nuisance opening during startup
Class RK5, time-delay cylindrical fuse rated 45 A, 600 V AC and 300 V DC. Features a blown-fuse indicator for visual identification. Provides overcurrent protection for motor circuits, transformers, and other inductive loads where temporary inrush currents occur
LITTELFUSE
Class RK5, time-delay cylindrical fuse rated 45 A, 600 V AC and 300 V DC. Features a blown-fuse indicator for visual identification. Provides overcurrent protection for motor circuits, transformers, and other inductive loads where temporary inrush currents occur
Midget time-delay cylindrical fuse rated 10 A, 500 V AC, and 300 V DC. Measures 13/32 in x 1 1/2 in. Provides overcurrent protection in circuits with temporary inrush currents, such as motor controls, transformers, and solenoids
LITTELFUSE
Midget time-delay cylindrical fuse rated 10 A, 500 V AC, and 300 V DC. Measures 13/32 in x 1 1/2 in. Provides overcurrent protection in circuits with temporary inrush currents, such as motor controls, transformers, and solenoids
Class RK5 time-delay cylindrical fuse rated 60 A, 600 V AC and 300 V DC. Features visual blown-fuse indication for faster troubleshooting. Accommodates temporary inrush currents typical of motor circuits, transformers, and other inductive loads in industrial control panels
LITTELFUSE
Class RK5 time-delay cylindrical fuse rated 60 A, 600 V AC and 300 V DC. Features visual blown-fuse indication for faster troubleshooting. Accommodates temporary inrush currents typical of motor circuits, transformers, and other inductive loads in industrial control panels
Time-delay midget fuse rated 600 mA, 500 V AC, 300 V DC. Measures 13/32 in x 1 1/2 in. Provides overcurrent protection for motor circuits, control transformers, and inductive loads requiring delayed blow characteristics
LITTELFUSE
Time-delay midget fuse rated 600 mA, 500 V AC, 300 V DC. Measures 13/32 in x 1 1/2 in. Provides overcurrent protection for motor circuits, control transformers, and inductive loads requiring delayed blow characteristics