How does shipping work for orders on MRO Exchange?

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.

What payment methods does MRO Exchange accept?

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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Square D QO2-4L70S Circuit Breaker Load Center 120V / 240V Factory Sealed

$40.00 USD

Sale Sold out

✓ 30-day returns on every item — return policy

ConditionFactory Sealed MPNQO2-4L70S Stock #0526-02329

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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⚡ Same-day shipping available — order by 11 am CT ($100 add-on at checkout)

✓ Free domestic UPS Ground shipping — applied automatically at checkout.

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The Square D QO2 4L70S is a 70 amp indoor circuit breaker load center manufactured by Schneider Electric under the Square D QO product line. Rated for single phase 120/240 VAC operation at 50/60 Hz, this unit provides 2 spaces accommodating up to 4 circuits and uses a fixed 70A main lug configuration. The enclosure is NEMA 1 rated for indoor use with a surface mount cover, measuring 9.30 inches in height by 4.81 inches in width. The lug terminals accept a wire range of 14 AWG to 4 AWG copper or 12 AWG to 3 AWG aluminum. UL listed and NOM 117 ANCE certified. Series G02, date code 13511, with UPC 785901785149. The QO load center platform is designed to accept Square D QO branded circuit breakers and supports optional ground bar kit PK4GTA, sold separately. Typical applications include small residential subpanels, commercial subfeeds, light industrial control panels, HVAC equipment disconnects, and auxiliary distribution for shop or garage circuits. The unit shown is new in original factory packaging from a 2014 shipment, with original shipping label intact. Manufactured in Mexico. Compatible accessories within the Square D QO ecosystem include QO single pole, QO tandem, QO two pole, and QOB bolt on style breakers within the rated frame size, as well as Schneider Electric branded surge protective devices and ground fault interrupter modules suited to the QO platform.

Stock # 0526-02329

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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.