Effective solid state relay dc switching for High-Risk Applications
Reliable solid state relay dc switching Designs for Commercial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their complete variety of solid state relay dc switching . They offer a complete set of solid state relay dc switching solutions along with other interrelated products. These units are noticed in various applications including industrial applications, industrial handle circuits and also OEM Panels. These devices come with excellent precision and repeatability. The regular solid state relay dc switching that are created today call for really small panel space.
Long service life and high reliability
Fast switching and reduced electromagnetic interference
LED indicator lamp
Control Method: DC to AC
Output Voltage: AC 24-380V
Input Voltage: DC 3-32V
Load Current: 40A
Control Voltage: 3-32V DC
Control Current: 3-25mA DC
On State Leakage Current: no more than 2mA
On State Reduction Voltage: no more than 1.5V AC
On-off Time: no more than 10mS
Dielectric Voltage Resistance: 2500V AC
Insulation Resistance: 500MΩ / 500V DC
Ambient Temperature: -30 to 75 deg C
Mounting Method: Bolts fixed
Size (L x W x H): Approx. 2.5 x 1.8 x 0.9 inch / 6 x 4.5 x 2.3 cm
1 x Solid State Relay
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Mona asked Can solid state relays vary output voltage or are do they just supply a set voltage that is turned on or off?
By that I was wondering if it would be possible to use a microcontroller to vary the voltage that a SSR supplied to its output connection (say, to vary the voltage supplied to a heating element). If not, what might be a better option to vary the voltage via microcontroller?
And got the following answer:
You already have a good answer on SSRs generally. But you aren't clear. Are you ACTUALLY trying to control a heating element? Or is this just a general example, but not your real application? If it isn't what you are trying to do, what exactly ARE you trying to do? What is the voltage range you want to control and what is the current compliances required? How much precision over the range is required? You also don't say if this is a DC application or AC. SSRs can be designed for either, but they are different things. Finally, if it is a heating element and you are dealing with AC, it's mass and slow behavior will integrate (sum) fast pulses of energy, so you can use an SSR for that, using (half-)cycle skipping or else using phase-angle control to adjust the net power applied. But inductance or capacitance in the load may affect the choices you make here. SSRs do NOT increase voltages or decrease them. They switch them (apply them) ON or OFF, with a small loss being incurred inside. Given that you suggest a heating element and because such elements can be on the order of 1000 watts or more, you may also need to deal with dissipation issues in the SSR itself. So be aware of that issue, too. A google search turned up a couple of link you may look at. The 2nd one, on page 2, shows a synopsis of methods to look over.
The solid state relay dc switching work incredibly well with distinct applications which might be certain to energy distribution and protection. The relays come with wide adjustment ranges with a scale that is simple to study either in three or 4 digits in accordance with the model. These solid state relay dc switching enable in increasing the flexibility with the applications, minimize the overall power and upkeep expenses. You’ll find relays that are utilised for basic purposes which are available in reliable styles with speedy replacement options. And you will find models that happen to be applied for industrial applications and heavier duty applications that function on significant loads. These merchandise are produced to meet the lifetime industrial handle requirements with the applications.
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