Joslyn JSP120-3Y480 Hi-Voltage Surge Protective DeviceCondition: * Used, removed from service. Unable to test. As pictured.Additional Notes:* Voltage Rating: 277/480 VAC* Configuration: 3-Phase Wye, 4-Wire + Ground* Max. Surge Current Rating: 120kA per phase, 60kA per mode* Connection Method: Parallel to electrical distribution system* Modes of Protection: All Modes (L-N, L-G, N-G, L-L)* Response Time: Less than 1 nanosecond* Enclosure Type: Powder coated, impact-resistance steel, weather-proof NEMA 4JoslynJSP120-3Y480