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Ketofa RCO410 3-in-1 Hard Start Capacitor Kit, 1/4-1/3 HP, 115VAC, 3 Pack | Compressor Relay and Capacitor Replacement, Helps Solve Hard Starting, Refrigerators and Freezers
Ketofa

Ketofa RCO410 3-in-1 Hard Start Capacitor Kit

Bottom line: The Ketofa RCO410 3-in-1 Hard Start Capacitor Kit ($22.85 on Amazon as of 2026-10-06): 3-in-1 design replaces relay, overload protector and start capacitor in one unit; main trade-off: aftermarket, non-original part rather than a factory OEM component.

$22.85

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Buy on Amazon — $22.85 Also on eBay → Compare to similar tools & maintenance

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For PC and retro-hardware cleaning and maintenance tools, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 3-in-1 design replaces relay, overload protector and start capacitor in one unit
  • ✓ Fits 1/4 to 1/3 HP compressors rated at 115VAC
  • ✓ Directly swaps TJ90RCO410, AP4503017, 600-410, ERP410, HS410 part numbers
  • ✓ 3-pack with 6 wire nuts included for multiple or backup repairs

Cons

  • ✗ Aftermarket, non-original part rather than a factory OEM component
  • ✗ Rated only for 115VAC; not suited to 220-240V systems
  • ✗ Limited to 1/4-1/3 HP compressors; larger units unsupported
  • ✗ No warranty terms listed in the product info

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SpecPicks Verdict

SpecPicks scored Ketofa RCO410 3-in-1 Hard Start Capacitor Kit using a rating × review-volume × price-fit model applied to published specs and reviews across the tools & maintenance category. Ketofa's tools & maintenance lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for tools & maintenance: PC towers accumulate significant dust in 3–6 months, so cleaning frequency drives cordless vs. canned-air tradeoff decisions. Match the device's RPM or CFM rating to your case size, and confirm battery runtime covers a full tower cleaning before ordering. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 【Model Number】 RCO410 – 3 Hard Start Capacitor Kit. Directly replaces part numbers TJ90RCO410, AP4503017, 600-410, ERP410, HS410, RC0410, RCO-410. Package includes: 3 x compressor hard start capacitor and 6 x wire nuts.
  • 【Product Specifications】 Designed for compressor sizes 1/4 through 1/3 HP, rated 115VAC. This kit combines an overload protector, capacitor, and relay into one device, replacing all three electrical components in capillary refrigerators and freezers at once to prevent compressor damage.
  • 【Premium Quality Material】 Built with durable copper wiring for reliable motor control and safe circuit performance. Each unit is thoroughly tested by the manufacturer to meet OEM standards, ensuring long-lasting performance and dependable results.
  • 【Wide Application】 Compatible with residential and commercial refrigerators and freezers. Suitable for use with RSIR, CSIR, PSC, and CSR compressors. Effectively replaces the relay, overload, and start capacitor in refrigeration systems.
  • 【Durable & Easy to Install】 Rugged construction ensures excellent durability and long service life for refrigerators and freezers. Quick and simple installation saves time and effort. This is a non-original aftermarket replacement part that offers excellent performance at a great value.

Full Specifications

BrandKetofa
ShapeRound
MaterialCopper
Item ShapeRound
Part NumberRCO410
Material TypeCopper
Mounting TypeSnap-In Mount
Full listing titleKetofa RCO410 3-in-1 Hard Start Capacitor Kit, 1/4-1/3 HP, 115VAC, 3 Pack | Compressor Relay and Capacitor Replacement, Helps Solve Hard Starting, Refrigerators and Freezers

Ready to buy?

Ketofa RCO410 3-in-1 Hard Start Capacitor Kit, 1/4-1/3 HP, 115VAC, 3 Pack | Compressor Relay and Capacitor Replacement, Helps Solve Hard Starting, Refrigerators and Freezers is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $22.85

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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Ketofa RCO410 3-in-1 Hard Start Capacitor Kit, 1/4-1/3 HP, 115VAC, 3 Pack | Compressor Relay and Capacitor Replacement, Helps Solve Hard Starting, Refrigerators and Freezers
$22.85
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