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Honeywell 77343020HG01 Ultra Duty Pressure Switch

The Honeywell 77343-02.0HG-01 Ultra Duty Pressure Switch is engineered for demanding applications requiring high pressure and low set points. Its robust 3-piece construction, plated steel base, and strengthened diaphragm provide exceptional resistance to cracking and failure under harsh conditions. This switch is commonly used in braking systems, transmission systems, and hydraulic systems where sudden pressure spikes are prevalent. The switch's design prioritizes durability and reliability, ensuring consistent performance in challenging industrial environments. Modifications to the pressure cavity and diaphragm enhance its ability to handle pressure transients.

Authorized Distributors
Source:DigiKey
Part No:77343-02.0HG-01
Stock:0
Inv Date:06-01-2026
Price: Unit price: $116.84
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Part No:77343-02.0HG-01
Stock:0
Inv Date:06-01-2026
Price: Unit price: $107.48
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Part No:77343-02.0HG-01
Stock:0
Inv Date:06-01-2026
Price: Unit price: $234.01
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Part No:77343-02.0HG-01
Stock:0
Inv Date:06-01-2026
Price: Unit price: $234.01
Buy/RFQ:
Part No:77343-02.0HG-01
Stock:1
Inv Date:06-01-2026
Price: Unit price: $95.44
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Honeywell 77343020HG01 Ultra Duty Pressure Switch Specifications:

  • Type: Direct action blade contact
  • Contacts: Silver alloy, gold plated
  • Set Point Range: 10-400 PSI
  • Operating Pressure: 500 PSI
  • Proof Pressure: 2000 PSI
  • Burst Pressure: 4000 PSI
  • Base: Plated Steel — Screw Machined 3-piece construction
  • Diaphragm: Polymide Film
  • Connector: 1/8-27 NPT Male Thread
  • Temperature Range: -40°F to +250°F
  • Terminals: #8-32 screws, 1/4” blade, 280 Series Metripack
  • Circuitry: SPST-N.O., N.C., SPDT
  • Cover: Glass Reinforced Polyester
  • Approximate Dead Band: 15-25 PSI (10-35 PSI)
  • Ratings_Resistive: 15 AMP @ 6 VDC, 8 AMP @ 12 VDC, 4 AMP @ 24 VDC
  • Ratings_Inductive: 1 AMP @ 120 VAC, 0.5 AMP @ 240 VAC

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Frequently Asked Questions

Where can I buy Honeywell 77343020HG01?

You can click on the BUY or RFQ button to purchase 77343020HG01 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part 77343020HG01?

You can download the 77343020HG01 datasheet or visit the Honeywell website for support.

Who is the manufacturer of 77343020HG01?

Honeywell

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