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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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MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Mitsubishi Electric No-Fuse Breaker NF400-CA

$219.00 USD

Sale Sold out

ConditionSurplus - Untested MPNNF400-CA Stock #0226-00709

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 20.0 lbs

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A 400-amp, 3-pole molded case circuit breaker from Mitsubishi Electric, the NF400-CA carries the manufacturer's designation "No-Fuse Breaker" and is rated for AC 500V service. The nameplate identifies it as conforming to JIS, IEC, BS, and NEMA standards. Interrupting capacity ratings are listed as 20kA asymmetrical and 18kA symmetrical at AC 460V, and 35kA asymmetrical and 30kA symmetrical at AC 220V. Under NKE 4305 supplemental ratings, interrupting capacity is 20kA at AC 500V and 30kA at AC 250V. The ampere rating is fixed at 400A as shown on the front face indicator window. The breaker is a 3-pole configuration with a push-to-trip test button and a trip indicator visible on the front face. Bus bar-style load terminals with bolt-hole lugs are present on the output side. An auxiliary switch wiring pigtail is attached to the unit. The device carries catalog reference LN308N986-2 and was manufactured in Japan by Mitsubishi Electric Corp. This NF400-CA is commonly found as the main circuit breaker in Mazak and other Japanese CNC machine tool electrical enclosures. The unit is identified as A88 series on the nameplate.

Stock # 0226-709

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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.