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CA-81 - Square D Contact Kit

  • 3 Pole

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CA-81 - Square D Contact Kit Description

CA-81 - Square D Contact Kit

A precision-engineered solution for Series A and B “old style” Size 1 units. Ideal for HVAC systems, industrial automation, and motor control setups, this kit delivers a plug-and-play replacement without the expense or downtime of a full contactor swap.

Key Features and Benefits

  • Direct OEM Swap: Designed to slide right into older Square D Series A & B Size 1 contactors, this kit restores full electrical performance effortlessly.
  • Complete 3‑Pole Assembly: Includes three moving contacts and six stationary contacts, enabling clean three-phase switching in one compact unit.
  • 600 VAC / 27 A Rating: Built to manage both resistive and motor loads up to 27 amps at 600 volts AC, this kit ensures reliable operation under demanding conditions.
  • Silver‑Alloy Contacts: The premium silver alloy resists welding, delivers more extended life, and maintains consistent conductivity—ideal for regular switching cycles.
  • All‑In‑One Set: Comes with springs, screws, and mounting hardware—so you’ve got everything you need for a straightforward, no‑fuss installation.

Technical Specifications

  • Type: 3‑pole contact kit for NEMA Size 1
  • Compatibility: Square D Series A & B “old style”
  • Current Rating: 27 A at 600 VAC
  • Contact Layout: 3 moving + 6 stationary contacts
  • Hardware Included: Springs, screws, and mounting parts
  • Approx. Weight: 0.25–1 lb (depends on packaging)

Material Compliance and Certifications

  • Crafted or sourced: To meet Schneider Electric (Square D) specifications, ensuring authentic OEM-level performance.
  • Silver-Alloy Contacts: Resists welding and arcing—designed for consistently precise contact over thousands of cycles.

Where It Works Best

  • HVAC Equipment: Build reliability back into fan motors, compressors, and more.
  • Motor Starters & Control Centers: A quick, professional-grade swap-in for any Size 1 contactor system in need of a refresh.
  • Vintage or Refurbished Units: Keep older Square D systems running without investing in a completely new contactor chassis.
  • Facility Maintenance & OEM Repair Bays: A perfect go-to for technicians seeking a dependable and efficient repair solution.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Poles:3
  • Sub-Category:Contact Kit
  • Additional Notes:This NEW contact kit we offer is a professionally designed after-market, MADE IN U.S.A., replacement contact kit, specifically manufactured to replace the OEM Kit.

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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