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Honeywell 311SM23H4 Differential Switch Basic

The Honeywell 311SM23-H4 is a robust electromechanical differential switch designed for demanding industrial environments. It offers a wide operating temperature range and gold-overlaid mating contact surfaces for enhanced reliability and reduced contact resistance. The switch is designed to withstand temperatures up to 250°F and features mounting holes compatible with pins or screws. It is a versatile component for control systems, signaling applications, and other critical functions where reliable switching is essential.

Authorized Distributors
Source:Newark
Part No:311SM23-H4
Stock:200
Inv Date:06-01-2026
Price: Unit price: $41.26
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Source:DigiKey
Part No:311SM23-H4
Stock:200
Inv Date:06-01-2026
Price: Unit price: $27.91
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Part No:311SM23-H4
Stock:0
Inv Date:06-02-2026
Price: Unit price: $59.78
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Part No:311SM23-H4
Stock:0
Inv Date:06-01-2026
Price: Unit price: $49.88
Buy/RFQ:
Part No:311SM23-H4
Stock:132
Inv Date:06-01-2026
Price: Unit price: $27.92
Buy/RFQ:

Honeywell 311SM23H4 Differential Switch Basic Specifications:

  • Product Code: TZ2194
  • Max Travel: 0.030
  • Operating Position: 0.010
  • Max Net: 0.010
  • Max Return: 0.010
  • Operating Voltage: 30 Volts DC
  • Contact Rating: 1 Amp
  • Release Force: 7 Gram Min
  • Travel: 0.019 Max
  • Overtravel: 0.020 Min
  • Mating Contact Surfaces: 24K Solid Gold Overlay
  • Switch Temperature: 250°F
  • Mounting Holes: Accept pins or screws of .087 Max Dia on .375+.002 Centers
  • Terminals: Plated for Soldering

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Frequently Asked Questions

Where can I buy Honeywell 311SM23H4?

You can click on the BUY or RFQ button to purchase 311SM23H4 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part 311SM23H4?

You can download the 311SM23H4 datasheet or visit the Honeywell website for support.

Who is the manufacturer of 311SM23H4?

Honeywell

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