herga

6761 and 6763 : PCB Mounting Pressure/ Vacuum Switches (slow make contacts)

Printed circuit board mounted, pressure/vacuum switches. UL versions available. Range from (0.015 Bar - 1.0 Bar Pressure) (-0.015 Bar - 0.670 Bar Vacuum).

• A range of small switches designed for direct mounting onto printed circuit boards
• UL versions available
• Various spout orientations available

6773 : Double Diaphragm Pressure Switch

Double diaphragm construction to meet double insulation requirements. Water presence detection.

• Double insulated for water detection
• Various microswitch options
• Gold contacts available

6731/ 6732 : Low Pressure Switches

Constructed in Nylon 12 material (pressure range (0.0037 Bar to 0.137 Bar). Single or double pole in 3 adjustable switch ranges. UL versions available.

• These switches have been designed primarily for the OEM manufacturer who requires low cost and high reliability
• UL recognised versions available
• The switches have excellent repeat accuracy

6702 : High Pressure Switch

High pressure switch all plastic construction. Ranges 1.4-13.8 Bar (20-200 PSI). Two (2) Pole Electrical Switching.

• High pressure switch, all plastic construction (glass loaded nylon)
• Alternate diaphragm and connectors available for volume orders
• Excellent repeatability

6741/ 6742 : Medium Pressure Switches

Constructed in Nylon 12 material (pressure range 0.1 Bar to 8.2 Bar). Single or double pole in 8 adjustable switch ranges. UL versions available.

• Switches set to specific rising or falling pressures
• UL recognised versions available
• High performance repeatability

6753 : Low Air Pressure/ Vacuum Switches

Small versatile compact differential switch with low contact inertia for rapid switching (range 2.5 mbar to 40 mbar).

• Sensitive versatile switch - ideal for long tube length applications
• Normally open or normally closed contact configuration
• Ideal for switching low power circuits

6721/ 6722 : Vacuum Switches

Constructed in Nylon 12 material (vacuum range -0.0075 Bar to -0.670 Bar). Single or double pole in 5 adjustable switch ranges. UL versions available.

• These switches have been designed primarily for the OEM manufacturer who requires low cost and high reliability
• UL recognised versions available
• The switches have excellent repeat accuracy

Pressure Conversion Table

For more commonly used measurements, including flow, liquid, force and weight equivalents.

Certification Markings/ Conversions

Covers most worldwide authorities/certification marks.

Accessories: Switch Housings

Air and electrical connections are available for all pressure and vacuum switches. Please also refer to Airswitching section or contact herga for details.

• IP40 and IP67 Housings with rear fixing positions
• Variations of air or electrical connections
• Unlimited options available - contact Herga with your requirements