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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Honeywell DC300K-E-0A3-20-0C00-0 Temperature Process Controller 90 to 250V AC

$399.00 USD

Sale Sold out

✓ 30-day returns on every item — return policy

ConditionSurplus - Untested MPNDC300K-E-0A3-20-0C00-0 Stock #Stock # 0626-01653

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

Shipping Estimate

⚡ 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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Product Specifications

Manufacturer: Honeywell
MPN / Model: DC300K-E-0A3-20-0C00-0
Product Type: UDC3000 Versa-Pro Universal Digital Controller
Power Supply: 90 to 250 VAC
Frequency: 50/60 Hz
Power Consumption: 18 VA
Manual Reference: 51-52-25-07D
Serial Number: 95510181477001
OEM / Alternate Part Number: 30756753-502

Product Description

This Honeywell UDC3000 Versa-Pro universal digital controller is identified by model number DC300K-E-0A3-20-0C00-0. It is a 1/4 DIN panel mount process controller from the UDC3000 series, with a front panel layout that includes ALM, DI, RSP, and OUT indicators along with Function, Lower Display, Manual/Auto, Setpoint Select, Set Up, and Run/Hold keys.

The nameplate confirms a power input of 90 to 250 VAC, 50/60 Hz, drawing 18 VA, with manual reference 51-52-25-07D and serial number 95510181477001. The rear case carries alternate part number 30756753-502. Buyers matching an exact Honeywell catalog number for replacement, spare inventory, or maintenance sourcing can use the visible MPN and serial markings to confirm the configuration against their existing controller.

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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.