Productive current coil relay for High-Risk Applications
Reliable current coil relay Designs for Industrial and Industrial Applications
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Omron MY4 DC24 (S) General Purpose Relay, Standard Coil Polarity, Standard Type, Plug-In Socket/Solder Terminals, Quadruple Pole Double Throw Contacts, 37.7 mA Rated Load Current, 24 VDC Rated Load Voltage
This Omron MY4 DC24 (S) general purpose relay has standard coil polarity, plug-in or solder terminals, and is suitable for use in low current applications. This relay has quadruple pole double throw (4PDT) contacts, an input current rating of 37.7 and a load rating of 24VDC at 3 amp, with an input of 24VDC. It has plug-in terminals for connecting to a socket or soldering to contacts. This general purpose relay is suitable for use in HVAC, appliance, and security applications.
|Input Current Rating||37.7 mA|
|Load Rating||24VDC, 3 amp|
|Operating Temperature||-55 to +70 degrees C|
|Enclosure Dimensions*||36 x 21.5 x 28mm (H x W x D)|
|Standards Met||UL (Underwriter's Laboratories)|
CSA (Canadian Standards Association)
*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.
Relay switches (also called an electrical relay or an electrical relay switch) use a small amount of power to control a larger source of power connected to electrical devices such as car motors, computers, and lighting installations. A basic relay switch has a control circuit with an electromagnetic coil and a load circuit with contacts and a lever. When current flows into the relay switch, it moves through the coil and a magnetic field is created, which causes the lever in the load circuit to move between contacts, either turning the device on or off. In a normally open (NO) relay switch, when power is supplied to the relay, the load circuit is closed and the power source connected to the relay is turned on. In a normally closed (NC) relay switch, when power is supplied to the relay, the load circuit is open and the power source connected to the relay is turned off. In other types of relay switches, non-moving parts such as transistors or semiconductors can be used as the control circuit to operate the switching mechanism. Relay switches can be controlled with an external switch, such as a light switch, or they can be connected to an automatically switched power source, such as a car ignition. One relay can operate multiple switches, and multiple relays can be operated with a single switch, with each relay operating independently from the other relays in the system.
Omron manufactures and distributes electronic components, equipment, and systems for industrial automation. The company, founded in 1933, is headquartered in Kyoto, Japan.
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Jigsaw K asked How can I use an NPN Transistor to switch a higher current?
I have the following problem, I need to switch a motor using a power supply that I have, but I will be driving the transistor with a microcontroller, which has a different voltage and current rating than the one needed to run the motor. Thank You All I'm asking IS, is it possible to use a higher voltage on the collector of the transistor, than that fed into the base? And how? Will a MOSFET transistor do the job?
And got the following answer:
Have the transistor drive the coil of a low voltage (coil) relay. The relay contacts provide isolation and control of power to the motor. Since you will be switching the coil on/and off you will generate an inductive power spike. Place a diode across the relay coil to snub this spike, Have the microcontroller drive the base of the transistor through a series resistor 100-500 ohms typical to limit port current
The current coil relay work exceptionally effectively with different applications which might be certain to power distribution and protection. The relays include wide adjustment ranges using a scale that is definitely easy to read either in 3 or 4 digits as outlined by the model. These current coil relay enable in escalating the flexibility on the applications, decrease the all round energy and maintenance costs. You will find relays which are made use of for general purposes which come in trustworthy styles with fast replacement selections. And there are models which can be utilized for industrial applications and heavier duty applications that operate on substantial loads. These goods are made to meet the lifetime industrial manage needs in the applications.
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