6721/6722 Vacuum Switch
6721/6722 Vacuum Switch
- UL approved versions are available.
- Double pole switching is available as model 6722.
- Offers a wide choice of microswitch options, including tag configurations.
- High performance repeatability is a key feature.
- Model part numbers include 6721-40, 6721-03, 6721-06, 6721-20, and 6721-30.
- Vacuum range varies by model, with minimum and maximum mbar values provided.
- Body withstand pressure is 2550 mbar.
- Diaphragm material is neoprene, and the mechanical life ranges from 1 to 2 million cycles depending on the model.
- Contact configuration is SPCO with silver plating.
- Electrical life varies with load, with specific cycles provided for different amperages.
- Maximum electrical load is detailed for various voltages and types of current (AC/DC).
- Operating temperature range is -5ºC to +70ºC.
- Body material is thermoplastic, and the weight is 0.04 kg.
- Setting accuracy is +/- 10%.
- Alternative diaphragm and spring materials are available upon request.
- The switch is recommended or suitable with modification for various media, including acetone, ammonia, automotive brake fluid, beer, butane, carbon dioxide, and more.
- Not suitable for benzyl alcohol, nitric acid (diluted), and sulphur dioxide.
- Mounting plate details and non-standard tube connection positions are provided for Ø4 spout.
Catalog excerpts
6721/6722 Vacuum Switch • Switches have been designed primarily for the OEM manufacturer who requires high reliability • UL approved versions available • Double pole switching available as 6722 • Wide choice of microswitch options including tag configurations • High performance repeatability 5 fixing holes , 4.5 mm deep to suit No. 4 self tapping screws on on 28.5 PCD 6721 - Range options and specifications
Open the catalog to page 1
6721/6722 Vacuum Switch General specifications Standards/approvals UL 508 specific models only Pressure range Operating temperature range Connection method Back & side entry spout, Ø4 mm or 1/8" BSPT & NPT brass Body material Electrical rating Contact configuration Additional information Setting accuracy +/- 10% For very low power circuits, gold conatct versions are available on request Alternative diaphragm and spring materials available on request Suitability for use with the following media: Acetone Ammonia (Liquid) Automotive Brake Fluid Benzyl Alchohol Citric Acid Plating Solution (Chrome)...
Open the catalog to page 2All HERGA catalogs and technical brochures
6310 & 63112 Pages
HPS-600-V Vacuum Switch2 Pages
HPS-500-G Pressure Switch2 Pages
HPS-600-G Pressure Switch2 Pages
6438 Mini Push Button1 Page
6871 & 6872 Airswitches1 Page
6861 to 6869 Airswitches1 Page
6252 Heavy Duty Footswitches2 Pages
6251 Heavy Duty Footswitch2 Pages
6227-S1 Page
6447 Twin Foot Bellows2 Pages
6225 Foot Switches2 Pages
6753 Low Pressure Air Switch2 Pages
Multi-Pedal Footswitches1 Page
6240 Footswitch Bellows1 Page
Herga_64481 Page
Herga_62411 Page
Herga_6224_Leptron2 Pages
Herga_6223_Leptron2 Pages
Herga_6210-VO1 Page
6442 Large Push Button2 Pages
MPL1 Page
6310 Electric Hand Controls2 Pages
Archived catalogs
Medical Footswitch1 Page
Navatis Footswitch2 Pages
Custom Display Panels1 Page
- Push-button switch
- Pressure switch
- Wireless remote control
- Industrial remote control
- Remote control with buttons
- Mechanical pressure switch
- Control pedal
- IP65 remote control
- Single pedal pedal
- Electronic pedal
- Diaphragm pressure switch
- Adjustable pressure switch
- Touch push-button switch
- Form push-button switch
- Differential pressure switch
- Technology push-button switch
- Electromechanical push-button switch
- Compact remote control
- Rechargeable remote control
- Micro-switch