Product Overview

The SGH2 2kW Alkaline Water Electrolysis System is a complete system (including the Balance of Plant subcomponents) that generates 1kg/day H2 for its operational capability.

System Specifications

• Hydrogen production rate : 0.496 NM3/hr (1 kg/day)

• H2 purity (without purifier) : 99.9 %

• H2 purity (with purifier) : 99.999 %

• Output pressure : <10 bars

• Efficiency (HHV) : 82 %

• Stack energy consumption per kg H2 : 48 kWh

• System energy consumption per kg H2 : 50.4 kWh

• Power supply : 3 Phase 400 VAC, 50/60 Hz (Note 1)

• Minimum water input quality : ASTM D1193-06 Type III, Recommend Type I

• Water Consumption : up to 500 mL/hr (depending on the load)

• Water input pressure : 1 - 4 barg

• Ambient operating temperature : 5 - 45 °C

• Stack operating temperature : 60 - 70 °C

• Dimensions : 120 cm (W) x 130 cm (H) x 80 cm (D)

• Weight : 150 kg

• Cold start time : <20 min

• Hot start time : Instant

• Turn down ration : 10 %

• Turn up ratio : 200 % (Note 2)

• Electrolyte : 1 Molar KOH (5.34 wt%)

• Catalyst : Proprietary (PGM-free material)

Note 1: The stated voltages are for Japan only. Step-up transformer will be included for voltage adjustment after discussions with the customer or end user.

Note 2: Efficiencies will reduce to 74% HHV (at 200% Turn Up Ratio)

SGH2 2kW Alkaline Water Electrolysis System Technical Specification Sheet

6-8 week lead time is to be expected.