Cutler Hammer A50QS900-4 - Class A50QS Current-Limiting Fuse 900A (200kA AIC @ 500V)

The Cutler Hammer A50QS900-4 is a Class A50QS low-voltage current-limiting fuse from the Amp-Trap family, engineered to provide superior short-circuit protection in industrial power distribution systems. It features a 900A current rating and 500V voltage rating with an impressive 200kA interrupting capacity at 500V, ensuring reliable circuit protection under high-fault conditions. The fuse construction utilizes a single-barrel design measuring 6.97 inches in length with a 2.88-inch diameter and weighs 4 lb, featuring current-limiting technology that rapidly clears faults to protect downstream equipment. This unit carries UL and CSA certifications, meeting rigorous industry standards for safety and performance. Typical applications include main service entrances, feeder circuits, and motor control centers where high-interrupting capacity and current limitation are critical requirements.

Key Features & Specifications

• Type: Class A50QS current-limiting fuse, single barrel design
• Voltage Rating: 500V AC
• Current Rating: 900A
• Dimensions: 6.97 inches length, 2.88 inches diameter
• Standards: UL, CSA certified
• Applications: Industrial power distribution, main service entrances, feeder circuits, motor control centers
• AIC rating: 200kA@500V
• Family: Amp-Trap
• Weight: 4 lb
• Barrels: 1
• Country of Origin: Mexico

Product Identification

• UPC: 78200114232
• GTIN: 00782001142322