Eaton CB1633B120208GRAX - pressure switch UL Listed

CB1633B120208GRAX delivers a high-current 1600A amperage rating configured for 208V systems in a three-pole package. This specification translates to reduced transformer loading and fewer parallel devices, enabling compact switchgear footprints. In practice, engineers specify this model for large-duty feeders and motor feeds where current peaks demand robust protection and reliable switching. An integrated SPVR capacitor trip device, paired with a blow-down fuse protection and no-lights BFD trip logic, provides selective, fast fault clearance. This reduces nuisance trips associated with transient voltages and improves coordination with upstream protection. In applications like MCCs and distribution panels, it simplifies protective schemes while meeting time-delayed trip requirements. Bottom feed construction and ground fault capability with a control power transformer simplify wiring and maintain a clear fault path. With grounded faults detected through dedicated transformers, maintenance crews can verify protection without opening live enclosures. This arrangement supports safer installation in retrofit projects and new builds alike, aligning with standards for low-voltage protection. NEMA ratings of 1, 3R, 4, and 12 alongside UL Listed certification ensure the unit withstands moisture, dust, and cleaning protocols in demanding environments. That rugged certification profile reduces enclosure selection risk and streamlines compliance documentation. End users benefit from predictable performance across indoor and outdoor installations, especially where frequent door openings and washdowns occur. At 16 in depth, 24 in width, and 32 in height, with an approximate 200 lb weight, the CB1633B120208GRAX demands careful space planning but offers a robust enclosure solution. The large cabinet accommodates heavy-duty connectors, auxiliary contacts, and space for optional features like Kirk provisions. Installation advantages include bottom-feed configuration and compatibility with standard mounting patterns in Eaton's switching devices catalog. Its one-year warranty (or 18 months from shipment) provides the financial protection and service support typically required in critical electrical installations. Catalog notes indicate optional features such as ground fault relays and auxiliary provisions, allowing tailored protection configurations. For project teams, this translates into simplified procurement, faster commissioning, and scalable protection across multiple feeders.