relay latch

ANY Timer Rrelay
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Productive relay latch for High-Risk Applications
Reliable relay latch Designs for Commercial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their whole range of relay latch . They provide a comprehensive set of relay latch solutions and other interrelated items. These units are noticed in different applications including industrial applications, industrial manage circuits and also OEM Panels. These devices come with superb precision and repeatability. The standard relay latch that happen to be developed these days require quite small panel space.

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Blue Sea 7620 ML-Series Automatic Charging Relay (Magnetic Latch) 12VDC

  • Combines battery banks during charging and isolates under discharge
  • 500 Ampere continuous rating suitable for use with large battery banks, starters, alternators, and inverter/chargers
  • Includes ML-Series Remote Control Contura Switch PN 2146
  • Silver alloy contacts provide high reliability

7620

Manual Control: No
Coil Voltage: 12V DC

  • Combines battery banks during charging and isolates under discharge
  • 500 Ampere continuous rating suitable for use with large battery banks, starters, alternators, and inverter/chargers
  • Includes ML-Series Remote Control Contura Switch PN 2146
  • Silver alloy contacts provide high reliability
  • 3/8" copper studs, using Blue Sea Systems superior one piece stud technology, suitable for 300 Ampere continuous rating and large cable connections

Buy Now!
Price: $170.49


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fnordcorps asked I want to add a variable resistor to a simple 12v motor circuit any pointers?

I am using a simple 12v dc motor circuit with the following items wired into it. I have tried to provide as much information as possible. So far the circuit works great but I want to be able to adjust the motor speed. The motor is on a H-bridge type relay to allow me to reverse the direction. 12vDC lead acid battery Motor 12v - power rating 6.21w relay 1 12v latching relay (max voltage 220v) 100mΩ contact resistance relay 2 max DC 240v maximum current 10A contact resistance 50mΩ I want to add a potentiometer/variable resistor to the circuit to ramp the voltage between 9v and 12v to adjust the motor speed. I have tried a few pots but keep burning them out due to my lack of voltage/current/resistance knowledge. Can someone suggest a simple way of doing this and show me the working so I can work it out myself in future. No 'see a proper electrician' comments please - not helpful! Thanks in advance. Any rating details I should look for on my pot would be great. Thanks!

And got the following answer:

If the motor is rated 6.21W at 12V, the rated current is 6.21/12 or about 0.5A. At 9V it could still draw 0.5A depending on what it is driving. If you want to reduce the voltage by 3V at 0.5A, the resistance should be 3/0.5 or 6 ohms. The potentiometer or variable resistor should be able to carry 0.5 amps. If you use a 10 ohm resistor, it would need to be rated for at least 10 ohms X 0.5A squared or 2.5W (5W would be better). If you use a 25 ohm resistor it will need to be rated for at least 6.25W (10W would be better). If you calculate the wattage of the variable resistor using the maximum current and add a safety factor, the resistor should be able to carry that current as a variable resistor regardless of what resistance it is set for. If you connect it as a potentiometer, you will need a higher power rating because one end of it will need to carry current to both the motor and the other end of the potentiometer.

The relay latch perform particularly well with different applications that are precise to power distribution and protection. The relays come with wide adjustment ranges with a scale that may be simple to study either in three or four digits according to the model. These relay latch support in rising the flexibility from the applications, lessen the overall power and upkeep expenses. You will find relays which are employed for common purposes which are available in reliable designs with rapid replacement possibilities. And you will find models that happen to be applied for industrial applications and heavier duty applications that function on significant loads. These items are created to meet the lifetime industrial handle requires of the applications.
Their most current goods are the Time counter, Timer Delay, relay latch, Swift Connect Couplings, Electronic Motor Couplings, Aluminum Couplings, Morse Couplings and several others. The web-site delivers a detailed description of every model in many categories of relay latch couplings and sensors. These merchandise are extremely useful for high-risk applications. The relay latch are also obtainable with capabilities like various timing ranges and functions. The organization is presently in search of agents and dealers who can market and sell their factory made products. They’re often on a lookout for building new and more trusted goods determined by the demands and specifications in the market.

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