Effective solid state relay 240v for High-Risk Applications
Reliable solid state relay 240v Designs for Industrial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their entire range of solid state relay 240v . They offer a total set of solid state relay 240v products and also other interrelated solutions. These units are seen in various applications such as industrial applications, industrial handle circuits as well as OEM Panels. These devices come with superb precision and repeatability. The regular solid state relay 240v which can be designed in recent times require really small panel space.
For sale is a 40A Solid State Relay (SSR). It's good for heater, oven, or other appliance up to 3500Watt power consumption. Ideal for PID temperature controller.
Input: 3V-32V DC
Control: 24V~380V AC
Note: A heatsink must be used or it will get burned out.
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Hi , I am working on a power overload warning systems project for which i am in need of a switch that controls a high power line based on an external digital input . For example : the switch on the path of a 240V line , and also has an external input line which recieves binary input. the switch has to close if the input is 1 (5V) and open if 0 . is there any switch available in the market which the meets the above requirement ? if not can anyone please help design it ?
And got the following answer:
What you need is a relay or contactor. The contacts are rated for the voltage and current of the power supply, e.g. 240V @ 10A. Relays are likely to be available for up to 10A, greater than that and it becomes a contactor. A relay with 240V contacts could operate the coil of a contactor, as contactors often have 240V coils. The coil of the relay operates from a separate supply, but you want one with a DC supply of 12V or 24V. This coil is isolated from the mains, and you have a power supply just for it. The coil itself is operated by a relay driver circuit (which normally inverts the logic). The input to that is logic level. It may be that a solid state relay will be suitable (second link). These are operated by logic levels directly and come in 240V x current ratings at least 10A. They work well with resistive loads, but in my experience not so great with inductive or reactive loads. The first link below shows a typical relay driver. This will not suit all situations, as it depends on the relay coil current. The transistor could be a 2N2222. This will work up to 0.5A or more, but the 10K resistor should be reduced so the base current is 10mA or more (270 ohms), which in turn depends what logic circuit is driving this. The transistor could be a 5 or 10A logic level power mosfet instead (N channel). This will work with any logic and drive even more current.
The solid state relay 240v function exceptionally effectively with various applications which are certain to energy distribution and protection. The relays include wide adjustment ranges using a scale that is easy to study either in three or 4 digits in line with the model. These solid state relay 240v support in escalating the flexibility of the applications, decrease the general power and maintenance fees. There are relays which are made use of for general purposes which come in reputable designs with speedy replacement choices. And you will discover models which might be utilized for industrial applications and heavier duty applications that work on significant loads. These merchandise are made to meet the lifetime industrial manage wants of your applications.
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