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3G Electric
LITTELFUSE IDSR125 Time-Delay Blade Fuse, 125 A, 600 V AC/DC, Indicating - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE IDSR125 Time-Delay Blade Fuse, 125 A, 600 V AC/DC, Indicating

The LITTELFUSE IDSR125 is a Class RK5, time-delay blade fuse from the IDSR Series, rated at 125 A with 600 V AC and 600 V DC capability. It features an indicating function for visual blown-fuse detection. 3G Electric…

SKU 3G-OTH-28342

Also listed as: IDSR 125 · IDSR-125

Brand
LITTELFUSE
Item
IDSR125 Time-Delay Blade Fuse, 125 A, 600 V AC/DC, Indicating
Part Number
IDSR125
Category
Time-Delay Blade Fuses
Available to Order
Also known as:IDSR125LITTELFUSE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
IDSR125
Series
IDSR
Type
IDSR Series, Time-Delay, 125 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 IDSR125 is a Class RK5, time-delay blade fuse from the IDSR Series, rated at 125 A with 600 V AC and 600 V DC capability. It features an indicating function for visual blown-fuse detection. 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 application.

Frequently Asked Questions

What is the LITTELFUSE IDSR125 fuse used for?

The LITTELFUSE IDSR125 is a Class RK5 time-delay fuse rated 125 A, 600 V AC/DC, with an indicating feature. It protects motors, transformers, and other inductive loads from overcurrent and short circuits in industrial power distribution systems.

What are the specifications of the LITTELFUSE IDSR125 fuse?

The IDSR125 is a Class RK5, time-delay fuse from LITTELFUSE. It is rated 125 A, 600 V AC and 600 V DC, with an indicating function. The series is IDSR, and the manufacturer part number is IDSR125.

Where to buy the LITTELFUSE IDSR125 fuse worldwide?

3G Electric supplies the LITTELFUSE IDSR125 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct LITTELFUSE IDSR125 fuse for an application?

Select the IDSR125 based on your circuit's voltage (600 V AC/DC max) and continuous current (125 A). Ensure the Class RK5 time-delay characteristic matches your motor or transformer starting current. Consult LITTELFUSE application notes for coordination.

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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