LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 40 A, 600 V AC, 600 V DC
The LITTELFUSE IDSR Series Class RK5 Time-Delay Cylindrical Fuse (MPN IDSR040) is a 40 A, indicating fuse rated for 600 V AC and 600 V DC. As a time-delay fuse, it accommodates temporary inrush currents while…
SKU 3G-OTH-28365
Also listed as: IDSR 040 · IDSR-040
Local availability & support
- Delivery
- 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.
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Product Description
The LITTELFUSE IDSR Series Class RK5 Time-Delay Cylindrical Fuse (MPN IDSR040) is a 40 A, indicating fuse rated for 600 V AC and 600 V DC. As a time-delay fuse, it accommodates temporary inrush currents while providing overcurrent protection. 3G Electric interprets your demand for this specific OEM part, sourcing it across our 14 industrial departments, with specialist depth in electrical components.
Frequently Asked Questions
What is the LITTELFUSE IDSR040 fuse used for?
The LITTELFUSE IDSR040 is a Class RK5, time-delay fuse rated 40 A, 600 V AC/DC, with an indicating feature. It protects motors, transformers, and other industrial equipment against overcurrent and short circuits, allowing temporary inrush currents without nuisance opening.
What are the specifications of the LITTELFUSE IDSR040 fuse?
The LITTELFUSE IDSR040 is a Class RK5, time-delay cylindrical fuse rated 40 A, 600 V AC and 600 V DC. It is part of the IDSR Series with an indicating function. The manufacturer part number is IDSR040. It provides overcurrent protection for industrial circuits.
Where to buy LITTELFUSE IDSR040 fuses worldwide?
You can source the LITTELFUSE IDSR040 fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Class RK5 time-delay fuse.
How to select the correct LITTELFUSE IDSR series fuse for an application?
Select the LITTELFUSE IDSR series fuse based on the circuit's continuous current rating (e.g., 40 A for IDSR040), voltage rating (600 V AC/DC), and the need for time-delay characteristics to handle motor start-up surges. The indicating feature helps identify blown fuses quickly during maintenance.
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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.
