Boltswitch ER366ST Bolted Pressure Switch (Fusible) - Essential Electric Supply
Boltswitch ER366ST Bolted Pressure Switch (Fusible) - Essential Electric Supply

Boltswitch ER366ST - Fusible Bolted Pressure Switch 600A 600V (200kA AIC)

Boltswitch
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Boltswitch ER366ST is a fusible bolted pressure switch designed for high-current industrial power distribution systems. This 600V AC-rated switch handles 600A continuous current with a 200kA interrupting capacity at 600V, housed in a rugged NEMA 1 enclosure weighing 250 lb. The ER Series switch features a single-configuration, 3-pole design with Class R fuse compatibility and TB frame mounting. It meets industry standards for heavy-duty circuit protection in three-phase applications requiring reliable fault interruption.

Key Features & Specifications
  • Type: Fusible bolted pressure switch, ER Series
  • Voltage Rating: 600V AC
  • Current Rating: 600A continuous
  • AIC Rating: 200kA@600V
  • Configuration: Single
  • Poles: 3
  • Phase: 3
  • Fuse Class: R
  • Compatible Frames: TB
  • NEMA Rating: 1
  • Weight: 250 lb
  • Switch Style: Fusible