Design Tool
- 1: Switch Basics.
- 1.1: General.
- 1.2: Positions - forces - movements.
- 1.3: Actuator - movement - diagram.
- 1.4: Actuating / Contact force - movement - diagram.
- 1.5: Switch Technology.
- 1.6: Electrical Ratings.
- 1.7: Approvals.
- 1.8: Switch Life.
- 1.9: Application Technology.
- 1.10: Contact.
- 1.11: Switch Actuation.
- 1.12: Environmental Protection.
- 1.13: Recommendations.
- 2: Typical Applications.
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Clearance Distance - the distance in air between current carrying parts of opposite polarity or between any current carrying part and an earthed-(grounded) metal plate to which the switch is attached.
Creepage Distance - the path along the surface of insulating material between current carrying parts of opposite polarity or between any current carrying part and an earthed (grounded) metal plate to which the switch is attached.
Insulation Resistance - resistance as measured between the normally closed terminals, or between all terminals connected together and a metal plate to which the switch is mounted. In dry conditions the value would be expected to be greater than 5M?
Single Throw - a switch which provided an ON-OFF or OFF-ON function but does not change over from one conductor to another. Such switches are usually referred to as being «normally-closed only» or «normally-open only».
Switching Cycle - one complete switching operating from free position into overtravel and back through release position to free position.
Switch Resistance - a total resistance offered by a switch in a circuit, as measured from terminal through mating contacts, to terminal.
Transit Time - the time taken by the moving contact in a snap-action mechanism to move from one stable position to another