2911715

Series:	*
Part Status:	Obsolete

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Solid-state relays and the working principle of 2911715

Solid-state relays (SSR) are special-purpose, non-mechanical switches designed to control a variety of AC and DC loads by using solid-state components such as transistors, opto-isolators, and TRIACs. Solid-state relays provide reliable power switching with no moving parts and offer advantages such as zero voltage drop, no contact bouncing, and no arcing, making them ideal for applications where mechanical relays would be inadequate. The 2911715 SSR from Phoenix Contact is a solid-state relay with a large control voltage range that can switch up to 20 A of current at AC or DC loads with a 0.3 ms switching time.The 2911715 SSR from Phoenix Contact has two main areas: control input and output contact. The control input is where the power is supplied to activate the device. The output contact is where the switch is energized, allowing current to flow. The relay is equipped with a light emitting diode (LED) indicator providing visual feedback on its status. The LED will light up when the output of the SSR is in an “ON” state, allowing current to flow.The 2911715 SSR has a wide range of applications in different industries and fields. It can be used in the automotive industry to control headlights, turn signals, air conditioning units, and other features as well as in industrial applications such as controlling pumps, motors, and other process control equipment. In general, SSRs are used to control any AC or DC load where a mechanical relay won’t be able to handle the application due to contact bounce, potential arcing, and other issues.The 2911715 SSR features an isolation rating of 650 VACrms, allowing it to provide reliable power switching in high voltage applications. The SSR also has an input control voltage range of 4–32 VDC/4–32 VAC with a maximum surge voltage rating of 500 Vpk. Additionally, the SSR has a -25°C to +65°C operating temperature range and a dielectric strength of 2500 VAC for 1 minute.The 2911715 SSR works on a simple principle. When the control input voltage is applied, the SSR’s output contact closes allowing current to flow. The relay is equipped with an LED indicator which will light up when the output of the SSR is in an “ON” state, allowing current to flow. It is important to keep in mind that the SSR should not be used as an on/off switch. After the control input has been applied, the switch must be de-activated in order to turn the output off.Safety should also be a key consideration while using this relay. To ensure safety, the SSR should only be used in circuits that are designed to provide overcurrent protection. Overcurrent protection should be minimally rated at 20A (depending on the SSR) with a disconnect time of no more than 500 ms.In conclusion, the solid-state relays from Phoenix Contact are a reliable and cost-effective way to switch AC or DC loads when mechanical relays can’t do the job. The 2911715 SSR is a reliable, power-switching device that is designed to handle high voltage applications. It features an input control voltage range of 4–32 VDC/4–32 VAC, a maximum surge voltage rating of 500 Vpk, and a -25°C to +65°C operating temperature range. With its simple working principle and safety rating, it is a great choice for applications where a mechanical relay won’t be able to handle the job.

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