ABB TH4321J

The ABB TH4321J is built for commercial and industrial settings where safety, reliability, and consistent operation are critical. This enclosed and dead front switch meets stringent standards like UL 98 and CSA 22.2 No. 4-04, making it a solid choice for service equipment when installed according to the National Electrical Code. It also complies with NEMA KS1 standards for heavy-duty enclosed switches. You can find both fusible and non-fusible versions, offering flexibility depending on your interrupt rating needs. Featuring a quick-make, quick-break mechanism and a 60/75°C conductor rating, the TH4321J ensures dependable performance. Full cover interlocks add an extra layer of safety during operation. This product, also known by catalog number 783164091823, is available through BSP Automation, a trusted source for industrial components. If you’re looking to gear up with a switch that’s as solid as a rock, this one definitely fits the bill.