Boltswitch E4275BR - Fusible Disconnect Switch 600V/4000A (3-Pole NEMA 3R)

Boltswitch E4275BR is a fusible bolted pressure switch designed for high-current industrial power distribution systems. This 600V-rated switch handles up to 4000A in 3-phase configurations with a single-pole design, featuring a rugged NEMA 3R enclosure for outdoor protection. The THKM-compatible frame construction meets industrial safety standards for heavy-duty applications. Typical uses include main service disconnects, transformer isolation, and large motor control centers where fusible protection is required.

Key Features & Specifications

• Type: Fusible bolted pressure switch (E Series)
• Voltage Rating: 600V AC
• Current Rating: 4000A
• Configuration: Single
• Poles: 3
• Phase: 3-phase
• NEMA Rating: 3R (weather-resistant)
• Compatible Frames: THKM
• AIC Rating: 0 (requires external fuse protection)
• Weight: 500 lb
• Switch Style: Fusible disconnect
• Standards: Industrial power distribution
• Applications: Main service disconnects, transformer isolation, large MCCs

Product Identification

• GTIN: 00785901480501