Why do switches have a voltage rating?
The voltage rating is the specified maximum voltage it can safely switch. (Higher voltages require larger contact separation.) The current rating is the maximum current it can handle. This needs to accommodate both the continuous current through the switch when closed and any arcing during opening.)
What is the relationship between voltage and amperage?
Voltage and amperage are two measures of electrical current or flow of electrons. Voltage is a measure of the pressure that allows electrons to flow, while amperage is a measure of the volume of electrons.
How does current relate to amperage?
Current is measured in Amperes (usually just referred to as “Amps”). An ampere is defined as 6.241*10^18 electrons (1 Coulomb) per second passing through a point in a circuit. Amps are represented in equations by the letter “I”. This is analogous to an increase in voltage that causes an increase in current.
Why do switches have a current and voltage?
The maximum current they can handle is usually determined by the contact area and, but especially in this case, the contact movement speed and gap.
How is switching capacity rated with voltage and current?
Switching capacity or switching load is usually rated with both voltage and current. The voltage is the load voltage which will be across the terminals of the relay when it is open.
Why do batteries have a current and voltage?
In the case of this switch the contacts move with the speed of the user’s switching action as they are attached to the slider. It’s possible to park the slider in a position where the contacts are barley made. The voltage rating is the specified maximum voltage it can safely switch.
Which is responsible for electrocution, voltage or amperes?
But Voltage is must to drive the Current. I.e. Amperes are responsible for electrocution, Not the Volts. Warning: Both AC and DC voltages and currents are dangerous. Don’t touch the live wires.