PEM Fuel Cell Properties

Number of Cells

72

Rated Power

3000W (3kW)

Rated Performance

43.2V @ 70A

Purging Valve Voltage

12V

Blower Voltage

12V

Hydrogen and Air

Ambient Temperature

5 - 30 C; (41 - 86 F;)

Max Stack Temperature

65 C (149 F)

Hydrogen Pressure

0.45 - 0.55 Bar

Self-humidified

Air (integrated cooling fan)

Stack Size

350 x 183 x 418mm (13.8" x 7.2" x 16.4")

Hydrogen Flow Rate at Max Output

39 L/min

Hydrogen Purity Requirement

≥ 99.995% (dry H2)

Start up time

≤ 30s (ambient temperature)

Efficiency of System

40% at 43.2V

Controller Weight

2500g (± 100g)

Hydrogen Supply Valve Voltage

12V

Low Voltage Protection

36V

Over Current Protection

90A

Over Temperature Protection

65 C

Stack Weight (with Fan & Casing)

15kg ± 200g

External Power Supply

13V (±1V), 5A-8A