myMectronic
myMectronic

A Premier B2B Part Search

Carling Technologies HKA27478 Heavy Duty Toggle Switch

The CARLING TECHNOLOGIES HKA274-78 is a robust, heavy-duty toggle switch engineered for demanding industrial applications requiring high voltage and amperage handling. Its slow-make, slow-break contact mechanism minimizes stress on connected circuits, while the AC rating of 600V ensures safe operation in a wide range of electrical systems. Available with various ratings, circuits, terminations, and bushing/toggle configurations, the HKA274-78 offers versatility for diverse applications. Constructed with a phenolic base and brass/nickel-plated bushings, this switch provides durability and reliable performance. Consult factory for specific certification details.

Authorized Distributors
Source:DigiKey
Part No:HKA274-78
Stock:0
Inv Date:06-06-2026
Price: Unit price: $29.787
Buy/RFQ:
Part No:HKA274-78
Stock:0
Inv Date:06-07-2026
Price: Unit price: $28.94
Buy/RFQ:
Part No:HKA274-78
Stock:0
Inv Date:06-06-2026
Price: Unit price: $29.52
Buy/RFQ:
Part No:HKA274-78
Stock:10
Inv Date:06-06-2026
Price: Unit price: $21.07
Buy/RFQ:
Part No:HKA274-78
Stock:10
Inv Date:06-06-2026
Price: Unit price: $21.07
Buy/RFQ:

Carling Technologies HKA27478 Heavy Duty Toggle Switch Specifications:

  • Certifications: UL, CSA
  • Dielectric Strength: 1,000 V (minimum)
  • Insulation Resistance: 100 Megohms (minimum)
  • Base Material: Phenolic
  • Actuator Material: Brass/Nickel Plate or Polycarbonate
  • Bushing Material: Brass/Nickel Plate
  • Current Rating: 6A/600VAC, 12A/250VAC, 17A/125VAC
  • Voltage Rating: AC rated to 600V
  • HP Rating: 1HP 125VAC, 1 1/2HP 250V, 2HP 480-600V
  • Pole Configuration: 3-Pole, 4-Pole
  • Termination Type: Screw, Solder Lug, Tab
  • Mounting Hole: #6-32NC-2, 2-32UNS-2A
  • Toggle Style: Nylon
  • Bushing Type: Brass/Nickel Plate

Buy the HKA274-78 CARLING TECHNOLOGIES Heavy Duty Toggle Switch | myMectronic

Purchase the CARLING TECHNOLOGIES HKA274-78 toggle switch securely and efficiently online.

Buy Now

Frequently Asked Questions

Where can I buy Carling Technologies HKA27478?

You can click on the BUY or RFQ button to purchase HKA27478 from an authorized Carling Technologies distributor.

How do I troubleshoot issues or seek technical support for part HKA27478?

You can download the HKA27478 datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of HKA27478?

Carling Technologies

Carling Technologies Part List

Browse and search other Carling Technologies parts, locate datasheets and stock

Sponsored by