Name: H2Rex-250 Fuel Cell System
Brand: Toshiba Energy Systems

H2Rex-250 Fuel Cell System

Rated Power Output

250 kW

System Efficiency

45-50% (LHV), up to 85% CHP

250 kW industrial PEM fuel cell system for data center backup, commercial buildings, and microgrids. Modular scalable, fast response, CHP capable.

Overview

The Toshiba H2Rex-250 is an industrial-grade polymer electrolyte fuel cell (PEFC/PEM) system delivering 250 kW of clean power. Developed by Toshiba Energy Systems & Solutions leveraging decades of power electronics and electrochemical expertise, the H2Rex series provides reliable backup and prime power for data centers, manufacturing facilities, and public infrastructure across Japan. Features rapid load following capability and combined heat and power (CHP).

Technical Specifications

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Basic Specifications

Brand & Model: Toshiba Energy Systems / H2Rex-250
Rated Power Output: 250 kW
Output Voltage & Frequency: 400 VAC, 3-Phase, 50/60Hz
System Efficiency: 45-50% (LHV), up to 85% CHP

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Transient Response & UPS Topology

Topology Type: Grid-Tie with Backup Mode
Switchover / Transfer Time: < 200 ms
Fuel Cell Response Time: < 10 seconds to full power

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Fuel & Hydrogen Infrastructure

Hydrogen Purity Required: 99.97% (ISO 14687 Grade D)
Hydrogen Consumption Rate: ~40 kg/hr at 100% load
Inlet Pressure Range: 3 - 8 bar
Fuel Cell Type: PEM / PEFC (Polymer Electrolyte)

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Environmental & Operational Data

Acoustic Noise Level: < 65 dB(A) @ 10m
Operating Temperature Range: -10°C to +40°C
Footprint / Dimensions & Weight: 6.0m × 2.5m × 2.8m / ~8,500 kg
Heat Rejection / Cooling: Liquid Cooled

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Compliance & Certifications

CE Certification: ✓ Certified
UL Certification: JIS certified (UL pending)
NFPA 2 Compliance: —
ISO Certification: ISO 9001, ISO 14001

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Sustainability Impact & ROI

CO₂ Reduction Potential

Zero CO2 and NOx emissions on hydrogen. Supports Japan's national hydrogen strategy for carbon neutrality by 2050.

Eco-Friendly Solution