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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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Mitsubishi Electric MR-J4-40B-RJ020 AC Servo Drive 200 to 240V AC

$549.00 USD

Sale Sold out

✓ 30-day returns on every item — return policy

ConditionSurplus - Untested MPNMR-J4-40B-RJ020 Stock #Stock # 0626-01781

30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.

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Product Specifications

Manufacturer: Mitsubishi Electric
MPN / Model: MR-J4-40B-RJ020
Product Type: AC Servo Drive (MELSERVO J4)
Power: 400W
Input: 3AC / AC200 to 240V, 2.6A / 4.5A, 50/60Hz
Output: 3PH 170V, 0 to 360Hz, 2.8A
Standard: IEC/EN 61800 5 1
Enclosure Rating: IP20
Max Surrounding Air Temp: 55C
Serial Number: P18L03025

Product Description

The Mitsubishi Electric MR-J4-40B-RJ020 is a 400W AC servo drive from the MELSERVO J4 series, identified by MPN MR-J4-40B-RJ020. It accepts a three phase AC200 to 240V input and provides a three phase 170V output rated to 2.8A across a 0 to 360Hz range. The unit carries an IP20 enclosure rating and conforms to IEC/EN 61800 5 1. The B suffix indicates SSCNET III/H optical network control, and the RJ020 designation reflects the configured option variant shown on the nameplate. Confirmed identifiers include the manufacturer, exact catalog number, power rating, input and output ratings, and serial number P18L03025. Buyers matching a Mitsubishi servo amplifier for replacement, spare inventory, or maintenance sourcing should use the exact catalog number and visible nameplate ratings to confirm the unit matches their existing equipment.

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.