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

Cutler Hammer QA-B-0833-S is a bolted pressure fusible switch designed for industrial power distribution and protection applications. This 3-pole switch features a 480V AC voltage rating and 800A current handling capacity, providing robust circuit protection in demanding environments. Constructed with a heavy-duty design weighing 150 lb, it offers Class L fuse compatibility and is housed in a NEMA 3R rated enclosure suitable for outdoor installations. The switch meets industry standards with a 200kA interrupting rating at 480V AC, ensuring reliable fault current protection. It is engineered for integration with SFPA compatible frames in three-phase electrical systems requiring high-current switching and protection capabilities.

Key Features & Specifications

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