PROCESSOR RACK POWER SUPPLY: 2-15AMP, 115/230VAC, 47-63HZ. Processor: 621-9933C Honeywell Rack Power Supply: 2-15AMP, 115/230VAC, 47-63HZ 621-9933C Honeywell is a versatile industrial sensor suitable for a variety of applications. This high-quality product can be purchased at PLC2Day for all your industrial automation needs. Whether you need reliable sensing in manufacturing, HVAC, or process control, the 621-9933C Honeywell sensor is a top choice for precision and durability.