Rated voltage: DC 24 V; Flow rate: 400 mL/min; Self-priming power: 40 kPa; Usable pressure range: 0 - 100 kPa; Maximum pressure: 300 kPa; Maximum current: 450 mA; Rated time: continuous; Service time: 6,000 hours (MTTF); Inlet size: φ5.4 (outer diameter). 4 (outer diameter) Coil insulation class: A type equivalent; Contact material: Plastic/PPS (polyphenylene sulfide), Rubber/FFKM (perflo) pour, Diaphragm/PTFE (fluorine resin); Liquid temperature: 11.2 - 122°F (5 - 50°C) (non-freezing). Operating temperature: 12.1 - 104 °F (5 oz (5 g).