LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 150 A, 600 V AC, 600 V DC
SKU 3G-OTH-28349
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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.
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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.















