Optimum product quality, tested reliability and safety stand for best protection of personnel, installations and plant. Eaton’s FAZ-NA DIN rail mountable circuit breaker is designed for use in branch service applications. The FAZ-NA Series is available with B, C and D characteristics in accordance with UL 489, CSA C22.2 No.5, UL 1077, CSA C22.2 No.235 and IEC 60947-2. These devices are CE marked. Broad Range of Tripping Curves: B Characteristic for Standard Circuit Protection C Characteristic for Higher Inrush Currents D Characteristic for Inductive and Capacitive Loads Specifications Part Number: FAZ-D4/1-NA-SP Manufacturer : Eaton Item Subcategory : Molded Case Family : FAZ Series Type : FAZ Voltage : 480 Amperage : 4 Phase : 1 Poles : 1 AIC rating : 10kA@480 Connection : Din Rail Functions : LI - Long-Time and Instantaneous Terminal Connection : Screw Clamp Frame Size : 40A/FAZ MCM Size : Min. Wire Size 18 AWG Max. Wire Size 6 AWG Temp Rating : Minimum Operating Temp -4 Degrees F Max. Operating Temp.140 Degrees F