Fuel Cell Inverter O840 – 40kW (800V)

  • 40 kW 800 V inverter for next‑generation fuel‑cell air‑handling and hydrogen auxiliary drives 

  • Compact 2 kg liquid‑cooled architecture supporting wide 48–800 V operation 

  • Extensive motor/sensor compatibility for FC compressors, e‑turbos and HV auxiliaries  

  • Dual‑CAN communication with DeveLinkSTUDIO™ for real‑time calibration

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Fuel Cell Inverter O840

The Fuel Cell Inverter O840 provides 40 kW at 800 V for next‑generation fuel‑cell platforms, supporting high‑efficiency air compressors, e‑turbos and hydrogen auxiliary drives. Its ASIL‑D‑ready hardware and advanced sensor suite deliver precise and stable control in demanding FC environments.

Key features

  • Supports PMSM, ACIM and BLDC motors 

  • ISO 26262 ASIL‑D capable triple‑core MCU @ 300 MHz; ISO 21434 cybersecurity ready 

  • Redundancy via CPLD for safety‑critical functions; self‑protection (OC/OV/OT)  

  • Torque, Speed, Id/Iq control; real‑time calibration & monitoring; customizable algorithms 

  • Position sensors: Resolver, xMR, Encoder, BiSS, sensorless; hall current sensing; NTC 10k & PT1000 temp sensors 

  • 2× CAN channels (ECU & calibration with DeveLinkSTUDIO™); .dbc available 

Applications

  • 800 V fuel‑cell air compressors / e‑turbos 

  • Hydrogen pumps and auxiliary blowers 

  • Fuel‑cell cooling & thermal‑management systems 

  • 800 V marine & industrial hydrogen e‑systems 

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NX Technologies

NX Technologies is a leading provider of compact, high‑performance power electronics for electric mobility, offering advanced inverters and battery management systems that enhance the efficiency, safety, and range of electric vehicles. Our POWER Inverter family delivers the most compact and future‑ready motor controllers for 10–350kW applications, while our automotive‑grade BMS provides flexible, ASIL‑D–certified battery safety. Headquartered in San Sebastián and operating internationally, the company supports manufacturers across multiple mobility sectors with scalable, automotive‑grade technology that simplifies and accelerates electrification.

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