Fuji Electric PRTM-040 MIG15Q901H

Technical Dossier

Product Details And Specifications

Fuji Electric PRTM-040 Series Technical Notes

The Evolution of PRTM-040 Architecture

The PRTM-040 control board lineage traces to Fuji Electric's early 1990s FRENIC5000 G7/P7 inverter platform, where discrete gate drive circuits were first consolidated onto a single replaceable PCB assembly. The original PRTM series used through-hole component construction with optocoupler-based gate isolation rated at 2500 Vrms. By the mid-1990s, Fuji transitioned to surface-mount technology (SMT) on the PRTM-040 revision, reducing board footprint by approximately 30% while increasing switching frequency support from 5 kHz to 15 kHz. The MIG15Q901H sub-assembly introduced an integrated IGBT module co-located on the control board, eliminating a separate power module interconnect and reducing failure points in high-vibration environments. Subsequent generations — including the PRTM-050 and PRTM-060 families — adopted CAN bus communication and digital parameter storage, but the PRTM-040 platform remains in active service due to the long replacement cycles typical of heavy industrial capital equipment. Compatibility constraints exist between PRTM-040 boards and later FRENIC-Mega and FRENIC-HVAC drive frames, which require firmware-matched control cards and are not backward-compatible without hardware modification.

PRTM-040 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the Fuji Electric PRTM-040 and closely associated control board families used across FRENIC-series inverter drives. Each entry reflects a distinct functional role within the drive control architecture.

PRTM-040 MIG15Q901H: Gate drive control board with integrated 15A IGBT module, FRENIC5000 G7/P7 series.
PRTM-040 MIG20J901H: Gate drive board variant with 20A IGBT rating for higher-current drive frames.
PRTM-040 MIG25J901H: 25A IGBT gate drive board, used in 11–15 kW FRENIC drive configurations.
PRTM-040 MIG30J901H: 30A IGBT control board for 18.5–22 kW inverter frames.
PRTM-040 MIG50Q901H: High-current 50A IGBT gate drive board for large-frame FRENIC drives.
EP-3638A: Analog signal conditioning and reference board, paired with PRTM-040 in G7 series.
EP-3955A: Digital I/O interface board, provides 16 DI / 8 DO for FRENIC5000 control rack.
EP-4116A: CPU main control board, FRENIC5000 G7 series, coordinates PRTM-040 gate signals.
EP-4117A: Enhanced CPU board with expanded parameter memory, FRENIC5000 P7 series.
EP-4118A: Communication interface board supporting RS-485 and Modbus RTU protocol.
EP-4119A: Encoder feedback board for closed-loop vector control in FRENIC5000 drives.
EP-4120A: Power supply board, 24 VDC control rail, FRENIC5000 G7/P7 chassis.
EP-4121A: Fault logging and display interface board, FRENIC5000 series.
EP-4122A: Analog input expansion board, 4-channel 12-bit ADC, FRENIC5000 platform.
EP-4123A: Relay output expansion board, 8-channel, for FRENIC5000 control applications.
EP-4124A: PG (pulse generator) speed feedback interface board, FRENIC5000 series.
EP-4125A: Fieldbus option board, PROFIBUS-DP interface for FRENIC5000 drives.
EP-4126A: DeviceNet communication option board, FRENIC5000 series.