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Side view of the HR742 showing the black CBUS connector and blue battery in its holder
En existencias

• Testing Video Provided

$330.00 USD
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Entrega: Entrega estimada de 2 a 6 días hábiles. Ver detalles.

Devoluciones: 14 días de devolución. Ver detalles.

All parts are covered by REACO CNC warranty

Todas las piezas están cubiertas por la garantía REACO CNC

Every part is carefully inspected and tested for reliability。

Todas las piezas probadas bajo carga.

Global Delivery for Fanuc and Mitsubishi CNC parts

Respuesta rápida, envío global, envío acelerado disponible.

tech support for CNC repair and parts.

Soporte técnico gratuito

More than 150,000 parts in stock & ready for delivery

Más de 100.000 piezas en stock y listas para entrega.

The Mitsubishi HR742 is the internal CNC memory board used in the EZMotion-NC E68 FCU6-MU072 control unit. The board shown is marked BN638B451G52 on the reverse and has a CBUS connector, a battery holder, and a BAT connector.

Product Specifications

Brand Mitsubishi Electric
Model HR742
PCB Marking BN638B451G52
Product Type Internal CNC memory board
Documented Control Unit FCU6-MU072 (EZMotion-NC E68)
Documented Backup Battery Q6-BAT, 3 V lithium battery
Origin Marking Made in Japan

Fitment and Machine Data

Send us your CNC control unit nameplate and clear photos of both sides of the original board. We can compare the PCB marking and connector layout before you order. Back up your machine's CNC parameters, machining programs, and tool data before replacing the memory board.

Battery Configuration

The photos show a battery fitted in the holder. Please confirm battery inclusion when ordering, as shipping options depend on the destination and carrier.

Testing, Shipping, and Warranty

We provide a test video before dispatch and free technical support. Each board is packed in protective anti-static packaging.

Confirmed in-stock orders typically ship within 1–2 business days. We ship worldwide via DHL, UPS, or FedEx and provide an estimated delivery time with your quote.

New and refurbished units carry a 12-month warranty. Used units carry a 3-month warranty.

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Más de 100.000 piezas CNC en stock

Con un amplio inventario de componentes FANUC y Mitsubishi, garantizamos entregas rápidas y reemplazos confiables, minimizando su tiempo de inactividad.

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Entrega rápida a nivel mundial

  • Envíos globales por DHL, UPS y FedEx.
  • Envío acelerado disponible
  • Embalado en cajas de cartón reforzadas y seguras para máxima protección durante el transporte.
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Nuestros ingenieros experimentados brindan soporte técnico para todas las piezas CNC de FANUC y Mitsubishi, incluida resolución de problemas, orientación sobre instalación y asesoramiento sobre reparaciones.

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