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LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 250 A, 600 V AC, 600 V DC - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 250 A, 600 V AC, 600 V DC

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

Brand
LITTELFUSE
Item
Fuse: Class RK5, IDSR Series, Time-Delay, 250 A, 600 V AC, 600 V DC
Category
Time-Delay Blade Fuses
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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
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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