Boltswitch ER366NST Bolted Pressure Switch (Fusible) - Essential Electric Supply
Boltswitch ER366NST Bolted Pressure Switch (Fusible) - Essential Electric Supply

Boltswitch ER366NST - Fusible Bolted Pressure Switch 600A 600V (200kA AIC)

Boltswitch
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The Boltswitch ER366NST is a fusible bolted pressure switch designed for high-current circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and 600A current capacity with a 200kA interrupting rating at 600V for reliable fault protection. The rugged NEMA 1 enclosure houses a single-configuration, 2-pole switch mechanism compatible with TB frames, constructed with Class R fuse compatibility for enhanced safety. This unit meets stringent industrial standards for bolted pressure switches, making it suitable for main service disconnects, motor control centers, and heavy equipment power distribution panels.

Key Features & Specifications
  • Type: Fusible bolted pressure switch (ER Series)
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Configuration: Single
  • Poles: 2
  • AIC Rating: 200kA@600V
  • Fuse Class: R
  • NEMA Rating: 1
  • Phase: 1
  • Compatible Frames: TB
  • Weight: 250 lb
  • Switch Style: Fusible
  • Standards: Industrial bolted pressure switch specifications
  • Applications: Main service disconnects, MCCs, industrial power distribution