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LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 350 A, 600 V AC, 600 V DC - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 350 A, 600 V AC, 600 V DC

The LITTELFUSE IDSR350 is a Class RK5, time-delay blade fuse from the IDSR Series, rated at 350 A with 600 V AC and 600 V DC capability. It features an indicating function for visual identification of an open…

SKU 3G-OTH-27109

Also listed as: IDSR 350 · IDSR-350

Brand
LITTELFUSE
Item
Fuse: Class RK5, IDSR Series, Time-Delay, 350 A, 600 V AC, 600 V DC
Category
Time-Delay Blade Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LITTELFUSE
Manufacturer Part Number
IDSR350
Series
IDSR
Type
IDSR Series, Time-Delay, 350 A, Indicating
AC
600 V
DC
600 V

Technical Documents

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

Product Description

The LITTELFUSE IDSR350 is a Class RK5, time-delay blade fuse from the IDSR Series, rated at 350 A with 600 V AC and 600 V DC capability. It features an indicating function for visual identification of an open circuit. 3G Electric interprets your demand for industrial electrical protection, sourcing this genuine LITTELFUSE component across our 14 departments, with specialist depth in controls to support your application.

Frequently Asked Questions

What is the LITTELFUSE IDSR350 fuse used for?

The LITTELFUSE IDSR350 is a Class RK5 time-delay fuse rated 350 A at 600 V AC/DC. It protects motors, transformers, and other inductive loads from short circuits and overloads. Its indicating feature allows quick visual identification of a blown fuse, reducing downtime in industrial control panels and distribution equipment.

What are the specifications of the LITTELFUSE IDSR350 fuse?

The LITTELFUSE IDSR350 is a Class RK5, time-delay fuse from the IDSR series. It is rated 350 A, 600 V AC, and 600 V DC. The part number is IDSR350. It features an indicating function for blown-fuse detection. This fuse is designed for branch-circuit protection in industrial applications.

Where to buy the LITTELFUSE IDSR350 fuse worldwide?

3G Electric supplies the LITTELFUSE IDSR350 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source genuine LITTELFUSE components for industrial maintenance and OEM needs.

How to select the correct LITTELFUSE IDSR350 fuse for an application?

Select the LITTELFUSE IDSR350 fuse by matching its 350 A rating and 600 V AC/DC voltage to your circuit requirements. Ensure the Class RK5 time-delay characteristic suits motor or transformer starting currents. Verify the fuse holder or disconnect switch is rated for Class RK5 fuses. Consult the manufacturer's data sheet for coordination.

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 blade fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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