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

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