Cutler Hammer QA-2533-B - Fusible Safety Switch 2500A 480V (3-Pole Bolted Pressure)

Cutler Hammer QA-2533-B is a fusible safety switch designed for heavy-duty circuit protection and isolation in industrial power distribution systems. This bolted pressure switch features a 480V AC voltage rating and 2500A current rating for robust electrical performance in demanding applications. Constructed with a 3-pole single configuration and weighing 150 lb, it provides durable operation with NEMA 3R rated enclosure protection against weather elements. The switch complies with industry standards for high-interrupting capacity applications, featuring a 200kA AIC rating at 480V for reliable fault protection. Typical applications include main service disconnects, feeder circuits, and industrial machinery power control in three-phase systems.

Key Features & Specifications

• Type: Fusible Safety Switch, Bolted Pressure
• Voltage Rating: 480V AC
• Current Rating: 2500A
• Configuration: Single
• Poles: 3
• Phase: 3-Phase
• AIC Rating: 200kA @ 480V
• Fuse Class: L
• NEMA Rating: 3R
• Compatible Frames: THFK
• Weight: 150 lb
• Switch Style: Fusible
• Item Subcategory: Bolted Pressure
• Manufacturer: Eaton