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LITTELFUSE IDSR250 Time-Delay Blade Fuse, 250 A, 600 V AC/DC, Indicating - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE IDSR250 Time-Delay Blade Fuse, 250 A, 600 V AC/DC, Indicating

The LITTELFUSE IDSR250 is a Class RK5, time-delay blade fuse from the IDSR Series, rated at 250 A with 600 V AC and 600 V DC capability. It features indicating functionality for visual status identification. 3G…

SKU 3G-OTH-28376

Also listed as: IDSR 250 · IDSR-250

Brand
LITTELFUSE
Item
IDSR250 Time-Delay Blade Fuse, 250 A, 600 V AC/DC, Indicating
Part Number
IDSR250
Category
Time-Delay Blade Fuses
Available to Order
Also known as:IDSR250LITTELFUSE
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
IDSR250
Series
IDSR
Type
IDSR Series, Time-Delay, 250 A, Indicating
AC
600 V
DC
600 V

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

Product Description

The LITTELFUSE IDSR250 is a Class RK5, time-delay blade fuse from the IDSR Series, rated at 250 A with 600 V AC and 600 V DC capability. It features indicating functionality for visual status identification. 3G Electric interprets your demand for industrial circuit protection, sourcing this fuse across our 14 departments, with specialist depth in controls to support your application.

Frequently Asked Questions

What is the LITTELFUSE IDSR250 fuse used for?

The LITTELFUSE IDSR250 is a Class RK5 time-delay fuse rated 250 A at 600 V AC/DC. It protects industrial motor circuits, transformers, and control panels from overcurrent and short circuits. Its indicating feature allows quick visual identification of a blown fuse, reducing downtime in plant maintenance.

What are the specifications of the LITTELFUSE IDSR250 fuse?

The LITTELFUSE IDSR250 is a Class RK5, time-delay fuse rated 250 A, 600 V AC and 600 V DC. It belongs to the IDSR series and features an indicating function. The manufacturer part number is IDSR250. It is designed for high-current industrial applications requiring reliable overcurrent protection.

Where to buy the LITTELFUSE IDSR250 fuse worldwide?

3G Electric supplies the LITTELFUSE IDSR250 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this Class RK5 time-delay fuse.

How to select the right LITTELFUSE IDSR250 fuse for an application?

To select the LITTELFUSE IDSR250, verify your circuit voltage (600 V AC/DC max) and continuous current (250 A). Ensure the Class RK5 time-delay characteristic matches motor or transformer inrush. Confirm the indicating feature is needed for visual status. Consult a qualified engineer for coordination with upstream protection devices.

Used in

Common applications for LITTELFUSE
Industrial drives — Littelfuse PSR series semiconductor fuses for overcurrent protection of variable-frequency drives and DC bus circuits.
Branch circuit protection — Littelfuse CCMR series time-delay fuses in control panels and distribution boards.
Compact equipment — Littelfuse SLC series Class G fuses in rejection-style holders for space-constrained branch circuits.
Main service entrance — Littelfuse KLPC series Class L bolt-on fuses for high-current industrial power distribution.
Motor circuits — Littelfuse FLSR series Class RK5 time-delay fuses for motor branch circuits and transformers.
Power supplies — Littelfuse 473 series axial-lead time-delay fuses for solder-in protection in power supplies and instrumentation.
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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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Class RK5, time-delay blade fuse rated 300 A at 600 V AC or 300 V DC. Features a visual blown-fuse indicator for quick identification. Suitable for overcurrent protection in motor circuits, transformers, and branch circuits with high inrush currents
LITTELFUSE
Class RK5, time-delay blade fuse rated 300 A at 600 V AC or 300 V DC. Features a visual blown-fuse indicator for quick identification. Suitable for overcurrent protection in motor circuits, transformers, and branch circuits with high inrush currents

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