RillFEM s.r.o. — Plzeň, Czech Republic

Induction power converters 10–50+ kW and industrial automation

We design and manufacture induction heating equipment, single-purpose machines, and industrial software. 15+ years of experience. 200+ completed projects across automotive, aerospace, and heavy industry.

RillFEM Converter
01.
Products
RFM-10

RFM-10

Compact induction converter for precision heating

10 kW1–100 kHzWater-cooled
RFM-25

RFM-25

Mid-range converter for hardening and brazing

25 kW10–200 kHzIGBT
RFM-50

RFM-50

High-power converter for industrial production

50 kW1–400 kHz>92% eff.
rSelect

rSelect

Selection and sizing software for induction systems

FEMDesktopv3.x
Hardening machine

Hardening station

Automated induction hardening for serial production

CustomPLCTurnkey
Brazing machine

Brazing station

Precision brazing with controlled atmosphere

AutomatedN2/H2Inline
Measurement

Measurement systems

Custom data acquisition and monitoring

DAQReal-timeCustom
Simulation

FEM simulation

Electromagnetic and thermal field analysis

ANSYSCOMSOLCustom
02.
Technology
  • 01Power electronics designIGBT, MOSFET, resonant circuits
  • 02Numerical simulationFEM, electromagnetic, thermal
  • 03Mechanical engineeringSolidWorks, custom tooling
  • 04Embedded systemsARM Cortex, FPGA, DSP
  • 05Control systemsPLC, custom firmware, HMI
  • 06Industrial softwarerSelect, monitoring, SCADA
  • 07HVAC engineeringDesign, audit, optimization
  • 08Testing and measurementCustom DAQ, validation

Key figures

15+
Years of experience
200+
Completed projects
30+
Industry partners
50+
kW max power output
03.
Company
Office

Engineering office

Based in Plzeň, Czech Republic. Full in-house development from simulation through manufacturing to commissioning. IČO: 29124221.

Team

Expertise

Cross-disciplinary team covering electrical engineering, mechanical design, software development, and thermal physics. University partnerships.

Lab

Facilities

Development lab with testing equipment for power electronics up to 100 kW. Measurement and calibration capabilities. Prototype workshop.

04.
News
2026.03.01

MSV Brno 2026 — exhibitor confirmed

Visit us at Pavilon P, stánek 42 at the International Engineering Fair in Brno.

2026.02.15

RFM-50 delivery to automotive sector

50 kW induction converter delivered and commissioned for production line integration.

2026.01.22

rSelect v3.2 released

Updated thermal model, improved material database, new reporting module.