Siemens SN423 - Fusible Disconnect Switch 3P 100A @ 240V (200kA AIC)
Siemens SN423 - Fusible Disconnect Switch 3P 100A @ 240V (200kA AIC)

Siemens SN423 - Fusible Disconnect Switch 3P 100A @ 240V (200kA AIC)

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Siemens SN423 is a fusible safety disconnect switch designed for industrial power distribution systems requiring reliable circuit protection. This 3-phase switch features a 240V voltage rating and 100A current capacity with a 200kA interrupting rating at 240V for high-fault protection. The rugged NEMA 1 enclosure houses a single-configuration, 3-pole fusible switch mechanism compatible with PJP frames, utilizing Class R fuses for enhanced safety. Compliant with industrial electrical standards, it's engineered for motor control centers, HVAC systems, and heavy machinery applications where secure isolation is critical.

Key Features & Specifications
  • Type: Fusible safety disconnect switch with NEMA 1 enclosure
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Configuration: Single
  • Poles: 3
  • Phase: 3-phase
  • AIC Rating: 200kA@240V
  • Fuse Class: R
  • Wire Size: #4 AWG
  • Compatible Frames: PJP
  • Weight: 20 lb
  • Standards: Industrial electrical compliance
  • Applications: Motor control centers, HVAC systems, industrial machinery