Cutler Hammer QA-0833-B - Fusible Switch 800A 480V (200kA AIC, NEMA 3R)

Cutler Hammer QA-0833-B is a bolted pressure switch designed for industrial circuit protection and isolation in three-phase electrical systems. It features a 480V voltage rating and 800A current handling capacity with a 200kA interrupting rating at 480V for reliable fault protection. The switch utilizes Class L fuses in a three-pole fusible configuration within a NEMA 3R rated enclosure suitable for outdoor applications. This unit complies with industry standards for bolted pressure switches and is compatible with SGHA frames. Typical applications include industrial power distribution, motor control centers, and main service disconnects in commercial facilities.

Key Features & Specifications

• Type: Bolted Pressure Switch, Fusible Style
• Voltage Rating: 480V AC
• Current Rating: 800A
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC Rating: 200kA@480V
• Fuse Class: L
• NEMA Rating: 3R
• Compatible Frames: SGHA
• Weight: 150 lb
• Item Subcategory: Bolted Pressure