DC100D80C

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Solid State Relays are electronic switching devices which use a low power signal to control a higher power load. The DC100D80C is a type of two-pole solid state relay that contains two SCR (silicon controlled rectifier) switches, isolated by a MOSFET (metal-oxide semiconductor field effect transistor). When a current is applied to the control terminals, the SCRs closes both switches, providing electrical connection between the AC output terminals.

The DC100D80C is suitable for applications ranging from industrial motor and HVAC control to machine-tool and process-line control. It is especially useful in applications that require accurate timing, such as switching on and off lighting. Its two-pole design eliminates the need to use two single-pole relays to provide the same control, resulting in a more compact design. Its AC voltage ratings range from 110V-277V and it fits into a 35mm standard electrical box.

The DC100D80C also supports remote operation through the use of a external signal. It features a selectable input voltage of either 120Vac or 12Vdc/24Vdc. A built-in zero-crossing circuit ensures that the load is switched on and off precisely at the zero-crossing points of the AC output voltage, thereby minimizing the stress on the network and the load. Its switching time can be reduced using a control terminal synchronization input.

In addition to its application in motor and HVAC control, the DC100D80C can also be used in the control of process lines. Its two-pole design allows it to be conveniently connected to a motor starter to perform speed control or switching on/off of actuators in various process lines. Its two-pole design, combined with its programmable time delays, make it suitable for applications such as timed pressurization, timed neutralization and timed filling. Furthermore, the DC100D80C\'s high temperature tolerance makes it suitable for continuous operation in environments with high temperatures.

The working principle of the DC100D80C is simple and reliable. When the control circuit is activated, the SCR switches close and the AC output terminals (switch terminals 1 and 2, or SCR1 and SCR2) are connected across the load. The load is then energized. When the control circuit is deactivated, the SCR switches open and the load is no longer energized.

The DC100D80C is a highly reliable and versatile solid state relay that is suitable for a wide range of applications. Its two-pole design, programmable time delays, and high temperature tolerance make it suitable for a variety of motor and HVAC control, as well as for process line control. Its high-temperature tolerance and its proven reliability in the field make it an ideal choice for many applications.

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