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LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 150 A, 600 V AC, 600 V DC - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 150 A, 600 V AC, 600 V DC

The LITTELFUSE IDSR150 is a Class RK5, time-delay blade fuse from the IDSR Series, rated for 150 A at 600 V AC and 600 V DC with an indicating feature. 3G Electric interprets your demand for industrial circuit…

SKU 3G-OTH-28349

Also listed as: IDSR 150 · IDSR-150

Brand
LITTELFUSE
Item
Fuse: Class RK5, IDSR Series, Time-Delay, 150 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
IDSR150
Series
IDSR
Type
IDSR Series, Time-Delay, 150 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 IDSR150 is a Class RK5, time-delay blade fuse from the IDSR Series, rated for 150 A at 600 V AC and 600 V DC with an indicating feature. 3G Electric interprets your demand for industrial circuit 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 IDSR150 fuse used for?

The LITTELFUSE IDSR150 is a Class RK5, time-delay, indicating fuse rated 150 A at 600 V AC/DC. It protects motors, transformers, and branch circuits from overloads and short circuits, with time-delay to handle inrush currents without nuisance opening.

What are the specifications of the LITTELFUSE IDSR150?

The LITTELFUSE IDSR150 is a Class RK5, time-delay, indicating fuse rated 150 A, 600 V AC and 600 V DC. It belongs to the IDSR series and features a blade-type design with visual indication for blown fuse identification.

Where to buy LITTELFUSE IDSR150 worldwide?

3G Electric supplies the LITTELFUSE IDSR150 fuse worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class RK5, 150 A, 600 V AC/DC fuse.

How to select the right LITTELFUSE IDSR fuse for my application?

Select the IDSR fuse based on continuous load current (typically 125% of motor FLA), voltage rating (600 V AC/DC), and available fault current. The time-delay characteristic handles motor starting inrush. Confirm the Class RK5 rejection feature fits your fuse holder.

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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