Horizon 300W PEM Fuel Cell

Brand: Horizon Fuel Cell Technologies
Product Code: 72090007


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Please note that the current lead time for the Horizon H-300W PEM Fuel Cell is 10 weeks.

The Horizon H-300 PEM Fuel Cell is a 300 Watt, air fed / air cooled, self-humidified hydrogen fuel cell suitable for many medium projects and uses.  Because this fuel cell is air cooled there is no need for large, complicated, and expensive water cooling systems.

Horizon H-Series PEM fuel cells are semi-integrated, efficient, reliable systems that minimize the use of peripherals.  As such, they are the most compact and lightweight fuel cells around the world.


✔ Connections/Tubing
✔ Electronic valves
✔ Electronic control box
✔ 300W stack with blower
✔ Fuel cell ON/OFF switch
✔ SCU ON/OFF switch
Fuel Cell Properties
Number of Cells 60
Rated Power 300W
Rated Performance 36V @ 8.3A
Hydrogen Supply Valve Voltage 12V
Purging Valve Voltage 12V
Blower Voltage 12V
Reactants Hydrogen and Air
Ambient Temperature 5 - 30C (41 - 86F)
Max Stack Temperature 65 C (149 F)
Hydrogen Pressure 0.45 - 0.55 Bar
Humidification Self-humidified
Cooling Air (integrated cooling fan)
Controller Weight 400g (± 30g)
Stack Weight (with Fan & Casing) 2790g ± 50g
Hydrogen Flow Rate at Max Output 3.9 L/min
Stack Size 118 x 262 x 94mm (4.6" x 10.3" x 3.7")
Hydrogen Purity Requirement ≥ 99.995% (dry H2)
Start up time ≤ 30s (ambient temperature)
Efficiency of System 40% at 36V
Low Voltage Protection 30V
Over Current Protection 12A
Over Temperature Protection 65 C
External Power Supply 13V (±1V), 5A

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