Cutler Hammer A50QS800-4 - Low Voltage Current-Limiting Fuse 800A (200kA AIC @ 500V)

Cutler Hammer A50QS800-4 is a low voltage current-limiting fuse designed for providing high-level short-circuit protection in industrial power distribution systems. It features a 500V AC voltage rating and an 800A current rating, capable of interrupting up to 200kA fault currents. The fuse is constructed as a single-barrel unit with a 2.38-inch diameter and 6.47-inch length, weighing 3 lb for robust physical durability. It complies with major industry standards including UL Recognition (Guide JFHR2, File 60314) and CSA certification (LR12636), along with CE marking. This fuse is typically applied in motor control centers, service entrance equipment, and feeder circuits where reliable overcurrent protection is critical.

Key Features & Specifications

• Type: Low Voltage Current-Limiting Fuse, Single Barrel
• Voltage Rating: 500V AC
• Current Rating: 800A
• Dimensions: 6.47 in Length x 2.38 in Diameter
• Standards: UL Recognized (Guide JFHR2, File 60314), CSA Certified (LR12636), CE
• Applications: Industrial Power Distribution, Motor Control Centers, Service Entrance Equipment
• AIC Rating: 200kA@500V
• Certification: CE, UL Recognized, Guide JFHR2, File 60314, CSA Certified LR12636
• Barrels: 1
• Weight: 3 lb

Product Identification

• UPC: 78200114231
• GTIN: 00782001142315