Siemens JN424 - Fusible Safety Switch 200A@240V (100kA AIC, 3-Pole)

Siemens JN424 is a Vacu-Break fusible safety switch designed for industrial power distribution protection. This 3-phase disconnect features a 240V voltage rating and 200A current capacity with a 100kA interrupting rating at 240V for reliable circuit isolation. The rugged NEMA 1 enclosure houses three R-class fuse poles in a single-configuration design, weighing 50 lb for structural stability. It complies with industrial safety standards and is compatible with PJP frames for seamless integration. Typical applications include motor control centers, HVAC systems, and heavy machinery power management.

Key Features & Specifications

• Type: Fusible safety switch with Vacu-Break technology
• Voltage Rating: 240V AC
• Current Rating: 200A
• Configuration: Single
• Poles: 3
• AIC Rating: 100kA@240V
• Fuse Class: R
• NEMA Rating: 1
• Phase: 3
• Compatible Frames: PJP
• Switch Style: Fusible
• Weight: 50 lb
• Applications: Industrial power distribution, motor control, HVAC systems