Power Module Input Voltage 24V AC Overall Height 5 in Overall Width 2 3/8 in Compatible with Series 450 Compatible with Grainger Part Number 12Y966 30KA32 30KA33 Compatible with Manufacturer Model Number C450CEN-1C C450CRN-1C C450RCN-3C Standards CE cULus Listed FCC CFR47 Product Type Power Module Application Humidity Sensing and Control Pressure Sensing and Control Temperature Sensing and Control Overall Length 2 3/8 in Weight 0.86 lb