Siemens SN422 - Fusible Disconnect Switch 200kA@240V AIC (3-Pole 60A)
Siemens SN422 - Fusible Disconnect Switch 200kA@240V AIC (3-Pole 60A)

Siemens SN422 - Fusible Disconnect Switch 200kA@240V AIC (3-Pole 60A)

Siemens
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Siemens SN422 is a Vacu-Break fusible disconnect switch designed for industrial power distribution systems requiring high interrupting capacity. The unit features a 240V AC voltage rating with 60A current handling capacity and a 200kA@240V AIC rating for robust short-circuit protection. Constructed with a NEMA 1-rated enclosure, this 3-phase switch has a single-configuration design with 3 poles and weighs 20 lb for secure mounting in PJP-compatible frames. It complies with industry standards for fusible disconnects using Class R fuses, making it suitable for motor control centers, HVAC systems, and heavy machinery power isolation.

Key Features & Specifications
  • Type: Fusible disconnect switch, Vacu-Break technology
  • Voltage Rating: 240V AC
  • Current Rating: 60A
  • Configuration: Single
  • Poles: 3
  • Phase: 3
  • AIC Rating: 200kA@240V
  • Fuse Class: R
  • NEMA Rating: 1
  • Switch Style: Fusible
  • Compatible Frames: PJP
  • Weight: 20 lb
  • Standards: Industrial disconnect switch requirements
  • Applications: Motor control centers, industrial power distribution, HVAC systems