Electronic Sequencer Input Voltage 20 to 30V AC Overall Height 5 in Overall Width 2 3/8 in Compatible with Series S353 Compatible with Grainger Part Number 20XJ76 Compatible with Manufacturer Model Number S353AA-1C Standards CSA Certified UL Listed Product Type Modular Electronic Sequencer Application Cooling Control Heating Control Humidity Sensing and Control Pressure Sensing and Control Overall Length 2 3/8 in