620
Allen-Bradley 100-C09*10 Series A is a compact, 3-pole IEC-rated industrial AC contactor from Rockwell Automation's Bulletin 100-C product lineup. The asterisk (*) in the part number serves as a placeholder for the variable control coil voltage code. 
Core Specifications
Variable Coil Voltages
To complete the full catalog number, the asterisk (*) must be replaced with the letter code corresponding to your control circuit's operational voltage. The most common variations found in industrial control panels include: