Boltswitch ER325NST - Fusible Bolted Pressure Switch 400A@240V (200kA AIC)

Boltswitch ER325NST is a fusible bolted pressure switch designed for high-current industrial power distribution systems. This single-configuration switch features a 240V AC voltage rating and 400A current capacity with a 200kA interrupting rating at 240V for robust short-circuit protection. The rugged NEMA 1 enclosure houses Class R fuse compatibility and a 2-pole design weighing 250 lb, engineered for SGPA frame compatibility. It meets industry standards for bolted pressure switches in demanding environments. Typical applications include industrial motor control centers, switchgear, and heavy-duty power distribution panels requiring fusible isolation.

Key Features & Specifications

• Type: Fusible bolted pressure switch (ER Series)
• Voltage Rating: 240V AC
• Current Rating: 400A
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@240V
• Fuse Class: R
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: SGPA
• Weight: 250 lb
• Switch Style: Fusible