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Interpower Switches and Voltage Selector

Switches

If incoming power needs to be controlled, an easy way to do that is with a switch. Simply defined, a switch is a mechanical device used to open and close a circuit. Opening a circuit, which turns a device OFF, is attained by interrupting a connection in the circuit. Closing the circuit, which turns a device ON, allows the current to flow again. A switch can be used in a wide range of appliances and equipment—anywhere from a hair dryer to a life-support machine.

Switches Offered by Interpower

82710020 82710030 82710040
82710060 82710070
P/N Current Rating Voltage Rating Terminal Style Panel Thickness
82710020 6/4A 125/250VAC QD 4 ea. 4.8mm 0.75 to 1.25mm
82710030 16A 125/250VAC QD 4 ea. 6.3mm 0.8 to 5.0mm
82710040 16A 250VAC QD 4 ea. 6.3mm 0.75 to 1.25mm
82710060 16A 125/250VAC QD 4 ea. 6.3mm 0.8 to 5.0mm
82710070 6/10/12A 250/125VAC QD 4 ea. 4.8mm 0.75 to 1.25mm

 

Double-Pole Single-Throw Switches

Interpower has chosen to carry the DPST (Double-Pole Single-Throw) switch. It is available in several different designs. The main reason for this is for safety considerations in international markets. International wiring systems are generally non-electrically polarized. By using the DPST switch, the contacts will cut off power to both the line and neutral when flipped into the off position.  DPST switches are most commonly used in equipment. For example, they may be found in a home computer or a large piece of manufacturing equipment.

Voltage Selector

A voltage selector provides a means to select the internal circuit that will match the incoming voltage level (either 110 or 230V). For companies that design equipment for both domestic and overseas markets, this allows them to design the internal wiring for specific voltages for different markets, when the equipment is not capable of accepting a wide range of voltages (e.g. 90V to 264V). With the voltage selector switch, the end user can tell the equipment which wiring system to use based on where the switch is set. The switch directs the current to the correct components to handle the voltage required.

Voltage Selector Offered by Interpower

Interpower offers one voltage selector—P/N 83710030. The actuator is a slide type of switch and is double-pole double-throw. It provides switching of the primary side of a split coil power input transformer between series (230V) and parallel (115V) configurations. This voltage selector is not designed to be switched under load.

P/N Current Rating Voltage Rating Terminal Style
83710030 10/5A 125/250VAC Solder tabs 6/2.8mm
Voltage selector slides to select 230V or 115V

Special Features

While a voltage selector physically may look like a switch, the load should be disconnected from the power mains before the selector is switched because it is not designed to be switched under load. In order to discourage use by non-technical personnel, voltage selectors are generally designed to require the use of a tool, such as a screwdriver. Because of the dangers involved in incorrectly changing a voltage selector, many equipment manufacturers will take the additional step of installing the selector so that it is not operator accessible. This makes the voltage selector less convenient to the user, but since most equipment is not moved after it is first installed, this is rarely a problem for the user.

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