LITTELFUSE IDSR300 Time-Delay Blade Fuse, 300 A, 600 V AC/DC, Indicating
The LITTELFUSE IDSR300 is a Class RK5, time-delay blade fuse from the IDSR Series, rated at 300 A with 600 V AC and 600 V DC capability. It features an indicating function for visual blown-fuse identification. 3G…
SKU 3G-OTH-28381
Also listed as: IDSR 300 · IDSR-300
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The LITTELFUSE IDSR300 is a Class RK5, time-delay blade fuse from the IDSR Series, rated at 300 A with 600 V AC and 600 V DC capability. It features an indicating function for visual blown-fuse identification. 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 power distribution needs.
Frequently Asked Questions
What is the Littelfuse IDSR300 fuse used for?
The Littelfuse IDSR300 is a Class RK5 time-delay fuse rated 300 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 electrical systems.
What are the specifications of the Littelfuse IDSR300 fuse?
The Littelfuse IDSR300 is a Class RK5, time-delay, indicating fuse rated 300 A, 600 V AC and 600 V DC. It belongs to the IDSR series and is designed for high-current protection in industrial power distribution and motor control circuits. The indicating window shows when the fuse has opened.
Where to buy Littelfuse IDSR300 fuse worldwide?
3G Electric supplies the Littelfuse IDSR300 fuse to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this Class RK5 time-delay fuse with indicating feature.
How to select the right Littelfuse IDSR series fuse for a motor circuit?
Select a Littelfuse IDSR series fuse based on motor full-load current, starting current, and voltage rating. For a 300 A motor circuit, the IDSR300 provides time-delay to handle inrush without nuisance opening. Always verify the fuse's 600 V AC/DC rating matches your system voltage and that the Class RK5 rejection clip fits your fuse holder.
Used in
Common applications for LITTELFUSELITTELFUSE 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.
