Protect your home from damaging power surges with the Eaton CHSPT2ULTRA Surge Protection Device. Designed for single-phase 120/240V systems, this device offers robust protection with a 20 kA nominal discharge current and a 108 kA surge current capacity. Its NEMA 4 enclosure ensures durability, and it meets or exceeds requirements specified in IBC®2006, CBC2007, and UBC®Zone 4. Certified by cUL, UL 1449, and UL Recognized, this surge protector provides reliable defense for your electrical system..The Eaton CHSPT2ULTRA is a single-phase surge protection device rated for 120/240V systems. It features a 20 kA nominal discharge current and a 108 kA surge current capacity. The device offers protection levels of 600V L-N, 1000V L-L, 800V N-G, and 600V L-G. It has an operating voltage of 150V L-N and 300V L-L, with a frequency rating of 60 Hz. The short-circuit rating is 22000 kA (22 kA SCCR). It is housed in a NEMA 4 enclosure and operates within a temperature range of -40 to 50 °C. Dimensions are 2.5 inches in height, 5 inches in width, and 7 inches in depth, with a weight of 1 lb.IEC Rated Voltage ($U n$): 240 VAC [p569: lovato_catalog.pdf] | Nominal Discharge Current: 20 kA | Protection (L-G): 600V | Protection (L-L): 1000V | Protection (L-N): 600V | Protection (N-G): 800V | SPD Type: Type 2 (test class II) | Surge Current: 108 kA | Surge current: 108 kA | Thermal Isolation Protection: Yes | Tripping Time ($t A$): <25 ns [p569: lovato_catalog.pdf] | Voltage Protection Rating (VPR): <1.5 kV