Cutler-Hammer A50QS1000-4 - Class A50QS Low-Voltage Fuse 1000A (200kA AIC @ 500V)

The Cutler-Hammer A50QS1000-4 is a Class A50QS low-voltage current-limiting fuse from the Amp-Trap family, engineered to provide superior short-circuit protection for industrial electrical systems. It features a 1000A current rating and a 500V AC voltage rating, with an impressive 200kA interrupting capacity at 500V to safely clear high-level faults. The fuse is constructed as a single-barrel unit with a 2.88-inch diameter and a robust design weighing 4 lb, ensuring durability in demanding environments. This component is certified to UL and CSA standards, guaranteeing compliance with rigorous North American safety requirements. It is typically applied in motor control centers, service entrance equipment, and feeder circuits where reliable overcurrent protection is critical.

Key Features & Specifications

• Type: Class A50QS, Amp-Trap family, current-limiting, low-voltage power fuse, single barrel construction
• Voltage Rating: 500V AC
• Current Rating: 1000A
• Dimensions: 2.88-inch diameter
• Standards: UL, CSA
• Applications: Motor control centers, service entrance equipment, industrial feeder circuits
• AIC rating: 200kA @ 500V
• Weight: 4 lb

Product Identification

• UPC: 782001142339
• GTIN: 00782001142339