Square D BLO34120 - Bolt-Loc Fusible Switch 480V 1200A (200kA AIC @600V)

Square D BLO34120 is a Bolt-Loc fusible safety switch designed for high-current industrial power distribution systems. This 3-phase bolted pressure switch features a 480V voltage rating and 1200A current capacity with a 200kA interrupting rating at 600V for robust short-circuit protection. The NEMA 1-rated enclosure houses a single-configuration, 3-pole fusible disconnect mechanism compatible with RGF frames, constructed with Class L fuse protection. It meets stringent industrial safety standards for power switching applications in manufacturing plants, data centers, and heavy machinery installations.

Key Features & Specifications

• Type: Bolt-Loc fusible safety switch with bolted pressure contacts
• Voltage Rating: 480V AC
• Current Rating: 1200A
• Configuration: Single
• Poles: 3
• Phase: 3-phase
• AIC Rating: 200kA@600V
• Fuse Class: L
• Compatible Frames: RGF
• Switch Style: Fusible disconnect
• NEMA Rating: 1
• Weight: 195 lb
• Standards: Meets industrial power distribution safety requirements
• Applications: Industrial power distribution, manufacturing facilities, heavy equipment