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LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 50 A, 600 V AC, 600 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 50 A, 600 V AC, 600 V DC

The LITTELFUSE IDSR Series Class RK5 Time-Delay Cylindrical Fuse (MPN IDSR050) is a 50 A, indicating fuse rated for 600 V AC and 600 V DC. 3G Electric interprets your demand for overcurrent protection and sources…

SKU 3G-OTH-28378

Also listed as: IDSR 050 · IDSR-050

Brand
LITTELFUSE
Item
Fuse: Class RK5, IDSR Series, Time-Delay, 50 A, 600 V AC, 600 V DC
Category
Time-Delay Cylindrical Fuses
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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.

Technical Specifications

LITTELFUSE
Manufacturer Part Number
IDSR050
Series
IDSR
Type
IDSR Series, Time-Delay, 50 A, Indicating
AC
600 V
DC
600 V

Technical Documents

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

Product Description

The LITTELFUSE IDSR Series Class RK5 Time-Delay Cylindrical Fuse (MPN IDSR050) is a 50 A, indicating fuse rated for 600 V AC and 600 V DC. 3G Electric interprets your demand for overcurrent protection and sources this genuine industrial fuse across 14 departments — with specialist depth in electrical controls to support your application.

Frequently Asked Questions

What is the LITTELFUSE IDSR050 fuse used for?

The LITTELFUSE IDSR050 is a Class RK5 time-delay fuse rated 50 A, 600 V AC/DC, with visual indication. It protects motors, transformers, and lighting circuits against overloads and short circuits in industrial and commercial power distribution systems.

What are the specifications of the LITTELFUSE IDSR050 fuse?

The IDSR050 is a Class RK5, time-delay fuse rated 50 A, 600 V AC and 600 V DC. It features indicating capability for blown-fuse detection. The series is IDSR, and the manufacturer part number is IDSR050. It is designed for cylindrical fuse holders.

Where to buy the LITTELFUSE IDSR050 fuse worldwide?

3G Electric supplies the LITTELFUSE IDSR050 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Class RK5 time-delay fuse.

How to select the correct LITTELFUSE IDSR050 fuse for an application?

Select the IDSR050 for circuits requiring 50 A protection at up to 600 V AC/DC. Its time-delay characteristic handles inrush currents from motors and transformers. Verify the fuse holder accepts Class RK5 dimensions and that the indicating feature is needed for visual status checks.

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 cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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