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Grayhill 39401BLK SPST Pushbutton Switch

The Grayhill 39-401 BLK is a high-quality SPST (Single Pole Single Throw) normally open pushbutton switch engineered for demanding industrial environments. This switch offers a robust mechanical design, capable of withstanding up to 1,000,000 cycles of operation. It is ideal for applications requiring reliable on/off control, such as machinery, instrumentation, and control panels. The switch's gold-plated terminals ensure low contact resistance and excellent signal transmission. Grayhill's commitment to quality and precision manufacturing guarantees consistent performance and long-term reliability.

Authorized Distributors
Source:DigiKey
Part No:39-401 BLK
Stock:0
Inv Date:06-04-2026
Price: Unit price: $9.07
Buy/RFQ:
Part No:39-401 BLK
Stock:18
Inv Date:06-05-2026
Price: Unit price: $9.26
Buy/RFQ:
Part No:39-401 BLK
Stock:0
Inv Date:06-04-2026
Price: Unit price: $8.45
Buy/RFQ:
Part No:39-401-BLK
Stock:5
Inv Date:06-04-2026
Price: Unit price: $7.77
Buy/RFQ:
Part No:39-401-BLK
Stock:5
Inv Date:06-04-2026
Price: Unit price: $7.77
Buy/RFQ:

Grayhill 39401BLK SPST Pushbutton Switch Specifications:

  • Diameter: 1/4 inch
  • OperatingCycles: Up to 1,000,000 cycles
  • MountingType: PC Mount
  • CurrentRating: 150 mA
  • VoltageBreakdown: 1,000 Vac
  • InsulationResistance: 1,000 megohms minimum
  • OperatingTemperature: -40°C to +85°C
  • ContactResistance: 25 milliohms maximum
  • BushingHousingMaterial: Aluminum (39-138), Brass with tin zinc (others)
  • StandoffMaterial: Brass, tin plated over nickel (39-501 and 39-503)
  • ButtonMaterial: Thermoplastic
  • ShortingBarMaterial: Brass, gold-plated over nickel (39-501 and 39-503), fine silver, gold-plated (others)
  • TerminalMaterial: Fine silver, gold-plated (39-138), Brass, gold-plated over nickel (others)
  • SpringMaterial: Tinned music wire
  • MountingNutMaterial: Brass, zinc trivalent chromate-plated (39-401 and 39-424)

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Frequently Asked Questions

Where can I buy Grayhill 39401BLK?

You can click on the BUY or RFQ button to purchase 39401BLK from an authorized Grayhill distributor.

How do I troubleshoot issues or seek technical support for part 39401BLK?

You can download the 39401BLK datasheet or visit the Grayhill website for support.

Who is the manufacturer of 39401BLK?

Grayhill

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