Littelfuse IDSR225 is a UL Class RK5 dual-element time-delay fuse designed for industrial circuit protection with visual indication. Rated for 600V AC systems with a 225A current capacity, it features a 200kA interrupting rating at 600V for high-fault protection. The fuse has a single-barrel construction with a 2.59" diameter and weighs 3.48 lb, meeting UL Standard 248-12 and CSA certifications. Its time-delay characteristics prevent nuisance tripping during motor startups while providing reliable overload and short-circuit protection, making it ideal for industrial control panels, motor circuits, and power distribution systems.
Key Features & Specifications
Type: UL Class RK5 dual-element time-delay fuse with visual indication
Voltage Rating: 600V AC
Current Rating: 225A
Dimensions: 2.59" diameter
Weight: 3.48 lb
Standards: UL 248-12, CSA certified
Applications: Industrial control panels, motor circuits, power distribution
Class Rating: RK5
Barrels: 1
AIC rating: 200kA@600V
Country of Origin: Mexico
Product Identification
UPC: 07945801578
GTIN: 00079458015782
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Littelfuse IDSR225 - RK5 Time-Delay Fuse 225A (200kA@600V Interrupt Ra