MITSUBISHI PM50RVA120 Module 50A 1200

Buy online your MITSUBISHI PM50RVA120 Module 50A 1200 reference PM50RVA120 from our e-store Cnc-shopping, specialist in CNC machine-tools spare parts.

This MITSUBISHI power semiconductor belongs to the transistor module family used as the high current switching stage in CNC servo amplifiers and spindle inverters. Rated at 50 A and 1200 V, it provides the inverter bridge required for reliable three phase motor control in machine tools and industrial automation. It is commonly sourced as a replacement unit or spare part during drive repairs and retrofit projects.

The PM50RVA120 serves as the core power block that commutates DC bus energy into controlled AC waveforms for servo or spindle motors. In a CNC drive, the control board handles gating and protection while this module switches the load current with fast recovery characteristics suitable for PWM operation. Its rating aligns with 400 VAC class applications where margin at the device level is essential for robust operation under transient loads.

Technicians typically encounter this module inside MITSUBISHI and other brand drives designed around the RVA package footprint. It is installed on a heatsink base within the amplifier, connected to the DC bus, motor phases and gate drive interface. When replacing a failed power stage that shows shorted junctions or repeated overcurrent trips, using the correct PM50RVA120 restores the drive’s output section with a drop in format when the footprint and pinout match.

For compatibility, match the full code, current and voltage class, and the RVA mechanical layout. This approach prevents gate drive mismatch and ensures proper creepage and clearance in the power section. The module’s construction supports stable thermal coupling to the heatsink, which is critical for continuous duty on the production floor.

Reference: PM50RVA120

Manufacturer: MITSUBISHI

Product type: MITSUBISHI Transistor module

Main function: Power IGBT stage for three phase motor control within CNC servo and spindle drive outputs

Applications: Machine tool servo amplifiers, spindle inverters, retrofit drive repairs, industrial automation cabinets

Key technical data: 50 A current class, 1200 V voltage class, RVA package designed for heatsink mounting, manufactured in Japan, suited for PWM inverter operation in CNC environments, fast dispatch depending on availability with shipment within 3 days

In day to day maintenance, this part is used to replace a damaged output stage after fault diagnostics confirm a shorted bridge or blown front end fuses tied to the inverter section. Keeping a stocked spare on site helps minimize machine downtime and supports preventive maintenance plans for high duty drives. The PM50RVA120 is also selected for planned rebuilds where a known good CNC replacement component is required to return a drive to service.

Units supplied by Cnc-shopping are handled by skilled engineers on appropriate power electronics benches and CNC simulators for functional checks where applicable. Each unit is packed with protective materials for international transit, and coverage follows our standard warranty terms. Worldwide shipping is available with fast dispatch depending on inventory.

When a drive is out of production, this module can serve as an emergency spare to get the machine running again. Cnc-shopping assists with sourcing obsolete parts, and a repair service or exchange service may be available for certain drive families. With proper spares strategy, legacy CNC installations can remain operational for the long term.

Frequently asked questions about PM50RVA120:

Is PM50RVA120 a drop in replacement for my drive?
Confirm the full code on your old module, the 50 A and 1200 V class, and the RVA footprint. If these match and the gate pinout aligns with your drive board, it is typically a direct field replacement.

What type of systems use a 50 A 1200 V power module?
This rating is common in 400 VAC class servo and spindle inverters found on medium power CNC machine tools and industrial motion systems. It balances current handling with safe voltage margin for standard bus levels.

Can it substitute a similar module from another brand?
It can be possible if the mechanical layout, electrical ratings and pin functions match. Always compare datasheets and physical pin maps before committing to the swap.

Any installation considerations for thermal coupling?
Ensure a clean heatsink interface and appropriate thermal compound to achieve proper contact. Torque values and mounting practices should follow the drive and module manufacturer guidance.

Do you provide refurbished units or tested units?
Depending on availability, units can be supplied as tested or refurbished with bench verification. Contact our team for current options and repair turnaround.