Introduction
The document introduces the Quest One ME450 PEM-Electrolyzer, a high-performance solution for sustainable hydrogen production. Quest One has been a leader in hydrogen technology for over 25 years, aiming for emission-free mobility, production, and consumption.

Product Overview
The Quest One ME450 is a plug-and-play electrolyzer designed for efficient green hydrogen production. It fits within a standard 40-foot container and can produce enough hydrogen to refuel 90 cars daily. The electrolyzer has a capacity of 1 MW, producing 450 kg of high-purity hydrogen per day. Its modular design supports projects requiring 1 to 5 MW of capacity.

Technical Specifications

• Hydrogen Production: 450 kg/day, 210 Nm3/h
• Energy Consumption: 4.7 kWh/Nm3 H2, 53 kWh/kg
• System Efficiency: 75%
• Performance Class: 1 MW
• Modulation Range: 42 – 210 Nm3/h, 20 – 100% H2
• Hydrogen Purity: 5.0 (ISO 14687:2019 compliant)
• Output Pressure: 20 – 30 bar (g)
• Load Change: 30 seconds from standby to nominal load
• Heat Recovery: 170 kW BoL, 350 kW EoL, >90% system efficiency
• Water Quality: TrinkwV 2020, EU Directive 2020/2184-EU
• Water Consumption: 260 kg/h at 10° dH
• Power Supply: Electrolysis requires 3 x 480 V, 50 Hz; Periphery requires 3 x 400 V, 50 Hz
• Dimensions: 13.2 x 4.0 x 5.7 m
• Weight: Approximately 36 tons
• Operating Temperature: -20°C to +40°C, expandable to -30°C with a cold package

Design and Reliability
The Quest One PEM electrolyzer is designed for reliability and future-proofing, featuring a multiple stack design for high availability and excellent spare parts access. This minimizes risks and reduces costs.

Conclusion
The Quest One ME450 is a robust solution for green hydrogen production, supporting the global energy transition with its efficient, modular, and reliable design.