S10 S20 S40 DESCRIPTION On-site hydrogen generator in an integrated, automated, site-ready enclosure. Load Following operation automatically adjusts output to match demand. ELECTROLYTE Proton Exchange Membrane (PEM) - caustic-free HYDROGEN PRODUCTION Net Production Rate: Nm3/hr @ 0° C, 1 bar 0.265 Nm3/hr 0.53 Nm3/hr 1.05 Nm3/hr SCF/hr @ 70° F, 1 atm 10 SCF/hr 20 SCF/hr 40 SCF/hr SLPM @ 70° F, 1 atm 4.7 SLPM 9.4 SLPM 18.8 SLPM kg per 24 hours 0.57 kg/24hr 1.14 kg/24hr 2.27 kg/24hr Delivery Pressure - Nominal 13.8 barg (200 PSIG) Power Consumed per 6.7 kWh/ Nm3 Volume of H2 Gas Produced 17.6 kWh/100 ft3 Purity (Concentration of Impurities) (99.9995%) Water Vapor < 5 PPM, -65°C (-85°F) Dewpoint, N2 < 2 PPM, O2 < 1 PPM, All Others Undetectable Turndown Range 0 to 100% net product delivery Upgradeability N/A DI WATER REQUIREMENT Rate at Max Consumption Rate 0.235 L/hr (0.065 gal/hr) 0.47 L/hr (0.13 gal/hr) 0.94 L/hr (0.25 gal/hr) Temperature 5°C to 35°C (41°F to 95°F) Pressure 1.5 to 4 barg (21.8 to 58.0 PSIG) Input Water Quality ASTM Type II Deionized Water required, < 1 micro Siemen/cm (>1 megOhm-cm) ASTM Type I Deionized Water preferred, < 0.1 micro Siemen/cm (> 10 megOhm-cm) HOGEN® Hydrogen Generation Systems S Series Hydrogen Generators www.protonenergy.com | T 203.949.8697 | F 203.949.8016 | Proton Energy Systems 10 Technology Drive Wallingford, CT 06492 | [email protected] Technical Specifications

S10 S20 S40 HEAT LOAD AND COOLANT REQUIREMENT Cooling Air-Cooled Heat Load from System 1.1 kW Max. 2.2 kW Max. 4.3 kW Max. Coolant Ambient Air, 5°C to 40°C (41°F to 104°F) ELECTRICAL SPECIFICATIONS Recommended Breaker Rating 4 kVA 8 kVA 12 kVA Electrical Specification 205 to 240 VAC, single phase, 50 or 60 Hz INTERFACE CONNECTIONS *Consult Installation Manual for details* H2 Product Port 1/4Ó CPITM compression tube fitting, SS H2/ H2O Vent Port 1/2Ó CPITM compression tube fitting, SS DI Water Port 1/4Ó tube push-to-lock, polypropylene Calibration-Gas Port N/A Coolant Supply Port N/A Coolant Return...