NEMA Rated full voltage magnetic starter. 2:1 Adjustable full load amps with tactile feedback dial. Selectable 10/20/30 protection class. Ambient insensitive within the stated operating temperature range of -20 to +70 °C. Built-in thermal memory to prevent hot motor restarts. Protection against complete phase current loss. Manual reset (standard) and remote reset (optional) 120 VAC. Accuracy: ± 2%. Repeatability: ± 2%. Self-powered at 50% of minimum current range. Size: 1-6 (0.4 to 540 A, 600 V, 50/60 Hz). Unbalance trip signal for PLC operation. Manual trip. Visual trip indication. Standard isolated 1 NO and 1 NC aux. contact (A600, Q600). Built-in line/load straps. Fits with existing 300-Line Starters. Power factor correction terminals (sizes 1-4). DIN rail mountable sizes 1 and 2.