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H-Series Mid-Range PEM Electrolyzer for On-Site Hydrogen Supply
Factory-direct 2–5 Nm³/h skid-mounted PEM electrolyzer systems for pilot hydrogen projects, microgrid hydrogen supply, small industrial use, semiconductor-related applications, and on-site hydrogen generation. The H-Series is designed for stable hydrogen output, longer operating schedules, integrated BoP configuration, and project-specific engineering review.
2–5Nm³/h
Scalable Capacity
Skid-mounted
Integrated System
Outdoor & Remote Sites
Rapid Deployment
Custom BoP
Ventilation & Safety
H-Series 2–5 Nm³/h Model Snapshot
Key performance highlights of the mid-range skid-mounted model for on-site hydrogen supply and pilot industrial projects.
2–5 Nm³/h H₂ Output
Mid-range hydrogen production for pilot systems, on-site hydrogen supply, microgrid projects and small industrial applications.
Skid-Mounted PEM System
Integrated skid layout supports PEM stack, BoP modules, piping, controls and safety protection in one project-ready platform.
Stable Continuous Operation
Designed for longer operating schedules and more stable hydrogen supply than compact laboratory units.
Configurable Pressure & Purity
Hydrogen outlet pressure, purity level, drying and purification options can be reviewed according to downstream use.
Integrated BoP & Controls
Water management, gas-liquid separation, cooling interface, power supply, PLC / HMI and safety interlocks can be configured by project.
On-Site Project Integration
Suitable for hydrogen test platforms, microgrid demonstrations, semiconductor-related use, small process hydrogen supply and pilot industrial systems.
Note: Values are based on a reference 2–5 Nm³/h configuration. Final specifications should be confirmed according to project requirements.
Is the H-Series the Right PEM Electrolyzer for Your Project?
The H-Series is designed for buyers who have moved beyond small laboratory hydrogen generation and need a more stable mid-range PEM electrolyzer system for on-site use, pilot production, or early industrial hydrogen supply.
Best Fit For
- • On-site hydrogen supply
- • Pilot industrial hydrogen projects
- • Microgrid hydrogen systems
- • Semiconductor-related hydrogen applications
- • R&D scale-up projects
- • Small industrial hydrogen generation
- • Continuous or scheduled hydrogen production
- • Customers moving from lab testing to practical hydrogen use
Not Ideal For
- • Very small laboratory or education-only systems
- • Large industrial continuous hydrogen demand above 10 Nm³/h
- • Utility-scale hydrogen production
- • Large refueling station hydrogen supply
- • Outdoor rapid deployment requiring containerized layout
- • Multi-skid high-capacity hydrogen plants
Engineering Note
If your project requires less than 1 Nm³/h hydrogen output, the S-Series may be more suitable. If your project requires more than 10 Nm³/h or full industrial continuous hydrogen production, the C-Series, M-Series, or Containerized PEM Electrolyzer may be a better fit.
H-Series Capacity & Configuration Overview
The H-Series is a skid-mounted PEM electrolyzer platform for mid-range on-site hydrogen supply. The configuration below shows a typical 5 Nm³/h system; final design can be reviewed by output, purity, pressure, utilities, BoP, controls and documentation needs.
| Parameter | Unit | H-Series Reference Configuration |
|---|---|---|
| Product Series | / | H-Series Mid-Range PEM Electrolyzer |
| Reference Hydrogen Production Rate | Nm³/h | 5 |
| Gas Production Rate | Nm³/h | 7.5 |
| Operating Temperature | °C | 5–65 |
| Hydrogen Purity | % | 99.5–99.999999% |
| Dew Point | °C | -70 |
| Feed Water Quality Requirement | / | ASTM D1193 Type I Deionized Water (>10 MΩ·cm) |
| Maximum Allowable Pressure | MPa | 3.0 |
| Power Supply Voltage | V | 380 |
| Hydrogen Generation Cabinet Dimensions | L×W×H mm | 1300×950×1930 |
| Power Distribution Cabinet Dimensions | L×W×H mm | 610×950×1930 |
| Weight | kg | 900 |
| DC Power Consumption | kW·h/Nm³ H₂ | 4.4 |
| Wide Power Range | % | 20–120 |
| Application Fields | / | Off-grid photovoltaic hydrogen production; wind-powered hydrogen generation; cogeneration (CHP); semiconductor industry; integrated multi-energy independent microgrids |
Engineering Note
The above data represents a typical 5 Nm³/h H-Series mid-range PEM electrolyzer configuration. Final hydrogen output, system layout, power supply, cabinet arrangement, BoP configuration, cooling method, gas handling, safety logic, monitoring system, downstream interface, and documentation package should be reviewed according to actual project requirements.
Buyer Note
For faster configuration review, please provide your required hydrogen output, operating hours, outlet pressure, purity target, power supply, water quality, downstream use, installation site, documentation needs, and destination country before quotation.
Typical Use Cases for H-Series Mid-Range PEM Electrolyzers
The H-Series is suitable for mid-range hydrogen projects where buyers need more output than compact laboratory systems, but do not yet require large industrial or utility-scale hydrogen production.
1. On-Site Hydrogen Supply
Hydrogen generation close to the point of use for process support, testing, or controlled supply.
Skid-mounted H-Series PEM electrolyzer system.
Hydrogen output, operating hours, outlet pressure, purity, downstream use, and site utilities.
2. Pilot Industrial Hydrogen Projects
Pilot-scale hydrogen production for process validation, industrial trials, and project demonstration.
H-Series skid-mounted PEM electrolyzer with project-specific BoP integration.
Process connection, safety requirements, control logic, cooling, operating schedule, and documentation.
3. Microgrid Hydrogen Systems
Hydrogen production for microgrid, renewable energy, backup power, or hybrid energy systems.
H-Series PEM electrolyzer with power input and control matching.
Power fluctuation, renewable coupling, operating profile, storage plan, and system control.
4. Semiconductor-Related Applications
On-site hydrogen generation for semiconductor-related processes or high-purity hydrogen supply review.
H-Series PEM electrolyzer with purity, drying, purification, and gas handling review.
Purity target, gas treatment, pressure, safety, utility stability, and documentation.
5. R&D Scale-Up Projects
Scale-up from compact laboratory hydrogen production to practical pilot hydrogen generation.
H-Series mid-range PEM electrolyzer for higher output and system-level validation.
Hydrogen demand, test duration, data needs, BoP interface, power supply, and future expansion.
6. Small Industrial Hydrogen Supply
Hydrogen supply for small industrial users, process support, metal treatment, or technical gas applications.
H-Series skid-mounted hydrogen production system.
Continuous operation, pressure requirement, cooling load, safety logic, and site integration.
From PEM Stack to Mid-Range Skid-Mounted Hydrogen System
The PEM stack is the hydrogen generation core, but the H-Series skid-mounted system also requires water management, power supply, gas-liquid separation, cooling, control, safety protection, and BoP integration to support stable mid-range hydrogen production.
Engineering Note:
Final H-Series configuration should be reviewed according to hydrogen output, purity, pressure, operating hours, power source, water quality, cooling, downstream use, safety requirements, and project documentation needs.
PEM Stack
The electrochemical core where purified water is converted into hydrogen and oxygen.
Water Management
Supports DI water supply, circulation, filtration, conductivity review, and water stability.
Power Supply & Rectifier
Controls electrical input, voltage-current behavior, power stability, and operating response.
Gas-Liquid Separation
Separates hydrogen and oxygen from water and supports downstream gas handling.
Cooling & Thermal Management
Controls heat load and operating temperature during scheduled or continuous operation.
Control & Safety System
Supports PLC / HMI, alarms, monitoring, hydrogen detection, pressure protection, and shutdown logic.
PEM Stack + Water Management + Power Supply + Gas-Liquid Separation + Cooling + Control & Safety =
H-Series Mid-Range PEM Electrolyzer System
Safety, Monitoring & On-Site Operation Review
Built-in protection and monitoring functions designed for skid-mounted PEM electrolyzer systems used in on-site hydrogen supply, pilot projects and small industrial applications.
Hydrogen Leak Detection
Hydrogen concentration monitoring and alarm logic can support safer equipment operation.
Emergency Stop & Interlock
Emergency stop and system interlock protection help protect personnel, equipment and connected utilities.
Pressure & Temperature Monitoring
Multi-point pressure and temperature monitoring supports stable hydrogen production and system protection.
Water Quality Protection
Abnormal DI water quality or conductivity can trigger alarm or protective response according to system logic.
Gas-Liquid Separator Monitoring
Liquid level monitoring supports gas-water separation, drainage control and operating reliability.
Safe Venting Review
Hydrogen and oxygen venting routes should be reviewed according to skid layout, installation area and site safety requirements.
PLC / HMI Monitoring
PLC-based control and HMI operation support status display, alarm review, parameter setting and easier system supervision.
Auto Protective Response
Load reduction, shutdown, pressure relief or system stop logic can be configured according to project requirements.
Safety Note: The H-Series skid-mounted PEM electrolyzer should be installed in a well-ventilated area with proper grounding, clearance, venting, drainage and site safety review. Final safety configuration should be confirmed according to hydrogen output, outlet pressure, utilities, local requirements and project conditions.
PLC Control, Data Monitoring & Interface Options
The H-Series skid-mounted PEM electrolyzer supports PLC-based control, HMI operation, real-time data monitoring, and interface options for on-site hydrogen supply, pilot systems, microgrid projects, and small industrial applications.
PLC-Based Control
Industrial PLC architecture supports automated operation, process monitoring, alarm logic, and system protection for continuous hydrogen generation.
HMI Touchscreen
User-friendly touchscreen interface provides operating status, parameter setting, alarm review, and system diagnostics.
Expandable I/O
Analog and digital I/O can support sensors, valves, auxiliaries, cooling equipment, and site utility integration.
Remote Integration
Communication interface options can support connection with external control platforms, microgrid systems, or plant monitoring systems.
Process Control Logic
Control logic can help regulate key operating parameters such as pressure, temperature, water supply, cooling and system load.
Data Monitoring
Operating data such as pressure, temperature, voltage, current, flow, water quality and alarm status can be monitored for system review.
Communication Watchdog
Signal monitoring logic helps trigger protective response if communication loss or abnormal control conditions occur.
Auto Protection
Automated load reduction, alarm, shutdown, or interlock response can be configured according to system design and project safety requirements.
Customize the H-Series Around Your On-Site Hydrogen Project
The H-Series is a flexible mid-range PEM electrolyzer platform that can be reviewed for different pilot, on-site, microgrid, semiconductor-related, and small industrial hydrogen applications.
1. Hydrogen Output Review
Review required Nm³/h, daily hydrogen demand, operating hours, and peak hydrogen demand.
2. Purity & Gas Treatment
Review hydrogen purity target, drying, purification, gas-liquid separation, and downstream use.
3. Outlet Pressure Review
Match outlet pressure to storage, compressor, fuel cell, microgrid, process, or pilot system requirements.
4. Skid Layout Configuration
Configure skid-mounted layout according to installation space, operation access, utility connection, and maintenance needs.
5. Power & Cooling Matching
Review grid or renewable power, rectifier, cooling method, heat load, ambient condition, and operating profile.
6. Control & Safety Integration
Support PLC, HMI, alarms, monitoring, hydrogen detection, shutdown logic, and project-specific automation interface.
Factory-Direct Manufacturing & Testing
Hele Titanium supports stack integration, cabinet assembly, piping and wiring, controller setup, testing, and export packing for compact PEM electrolyzer systems.
PEM Stack Assembly
Cabinet Assembly
Control Cabinet Wiring
Function Testing
Packing & Export
Engineer Inspection
Stack Integration
PEM stack modules are assembled and matched for compact hydrogen generation systems.
Cabinet Assembly
Compact cabinets are integrated for lab and pilot hydrogen projects.
Piping & Wiring
Internal tubing, valves, and electrical wiring are organized for stable operation.
Controller Setup
PLC, HMI, sensors, and control logic are configured for project requirements.
Pressure / Leak / Function Testing
System performance and sealing are checked before delivery.
Packing & Export Support
Protective packing and shipment preparation support international delivery.
Real production, inspection, and testing capability helps verify supplier reliability for compact PEM electrolyzer projects.
What to Confirm Before Requesting an H-Series Quote
A clear RFQ helps our engineering team review whether the H-Series mid-range PEM electrolyzer is suitable for your hydrogen project.
| Selection Factor | What to Confirm |
|---|---|
| Application | On-site hydrogen supply, pilot project, microgrid, semiconductor-related use, R&D scale-up, or small industrial hydrogen supply |
| Hydrogen Output | Required Nm³/h, daily hydrogen demand, peak demand, or operating schedule |
| Hydrogen Purity | Standard purity or higher downstream purity requirement |
| Outlet Pressure | Required pressure for storage, compressor, fuel cell, process, or downstream connection |
| Power Supply | Voltage, phase, grid power, renewable power, or hybrid power profile |
| Water Quality | DI water source, conductivity, water treatment, and supply stability |
| Cooling Condition | Cooling water, chiller, ventilation, ambient temperature, and heat load |
| Installation Site | Technical room, pilot plant, workshop, industrial site, microgrid site, or custom layout |
| Operating Profile | Continuous, intermittent, renewable-coupled, scheduled, or standby operation |
| Control Requirement | Local control, HMI, PLC, alarm, data logging, remote monitoring, or SCADA / DCS interface |
| Documentation | Datasheet, P&ID, wiring diagram, manual, FAT report, inspection record, certificate, or project documents |
| Destination | Country, shipping port, packing requirement, import requirement, and delivery schedule |
Buyer Note
"A strong inquiry should not only say 'Please quote a PEM electrolyzer.' A better request is: 'We need an H-Series PEM electrolyzer for [application], with [hydrogen output], [purity], [pressure], [operating hours], [power source], [water quality], [installation site], and [control or documentation requirements].'"
Compare H-Series with Other PEM Electrolyzer Options
The H-Series is best for mid-range hydrogen production and on-site hydrogen supply. For smaller laboratory use or larger industrial hydrogen demand, other PEM electrolyzer series may be more suitable.
| Series | Capacity Range | Best For | Recommended When |
|---|---|---|---|
| S-Series Compact PEM Electrolyzer | 0.5–1 Nm³/h | Laboratory, R&D, education, small pilot systems | You need compact hydrogen output and flexible testing use. |
| H-Series Mid-Range PEM Electrolyzer | 2–5 Nm³/h | On-site hydrogen supply, microgrids, pilot industrial projects | You need mid-range hydrogen output and stable skid-mounted operation. |
| C-Series Industrial PEM Electrolyzer | 6–10 Nm³/h | Industrial hydrogen supply, refueling support, process use | You need continuous industrial hydrogen production and stronger BoP integration. |
| M-Series High-Capacity PEM Electrolyzer | 10–50+ Nm³/h | Large hydrogen projects, utility storage, multi-skid systems | You need modular high-capacity hydrogen production. |
| Containerized PEM Electrolyzer | 50–300+ Nm³/h scalable | Outdoor, remote, renewable, or rapid deployment projects | You need containerized layout, site mobility, or outdoor installation. |
H-Series Mid-Range PEM Electrolyzer FAQ
Answers for pilot project developers, microgrid engineers, industrial operators, semiconductor-related users, system integrators, and procurement buyers evaluating mid-range PEM electrolyzer systems.
1. What is the H-Series mid-range PEM electrolyzer used for?
2. What hydrogen output range does the H-Series support?
3. Is the H-Series suitable for continuous operation?
4. What is the difference between the H-Series and S-Series?
5. What is the difference between the H-Series and C-Series?
6. Can the H-Series work with renewable power?
7. Can hydrogen purity and outlet pressure be customized?
8. What water quality is required?
9. What documentation can be provided with the H-Series?
10. What information is needed for an H-Series quotation?
Need a Mid-Range PEM Electrolyzer for On-Site Hydrogen Supply?
Share your hydrogen output, purity target, outlet pressure, operating hours, power source, water quality, cooling condition, application, installation environment, downstream use, and documentation requirements. Hele Titanium can help review whether the H-Series mid-range PEM electrolyzer is suitable for your project.
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sales@heletitanium.com
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