There are many types of 4 prong relays, but they are not all the same. The most common type is the 4PDT relay, which is widely used in industrial and commercial applications. Other types of 4 prong relays include the 4PST relay, which is commonly used in automotive applications, and the 4PSO relay, which is used in telecommunications.
Automotive relays are not always interchangeable. Depending on the make and model of the vehicle, the relays may be different sizes or have different connector pins. Additionally, the relays may be located in different areas of the vehicle.
A 5 pin relay can be used in place of a 4 pin relay if the 5th pin is not used, or if the 5th pin is used for a different function.
There are a few factors to consider when choosing a relay. The first is the voltage. You will need to know what voltage the relay is rated for and make sure it is compatible with your application. The next is the amperage. The relay will need to be able to handle the current draw of your application. Another factor to consider is the switch type. The switch type will determine how the relay is activated. There are two main types of switches, momentary and latching. Momentary switches will activate the relay when power is applied and deactivate when the power is removed.
4.6/5
Durable high current relay for long life and reliable switching.
Thermal switch and circuit breaker add safety, limiting current to 15 Amps.
Safe and easy to install. Controls any AC or DC device.
Includes detachable power cord.
De-bounce circuit for safety. Dry contact relay output - connect to any voltage circuit.
$234
I appreciate the high caliber of Digital Loggers' products. This appears to be very well constructed and has a solid, robust case, just like the others.Having said that, I suppose I didn't know what I was purchasing. I believed that by doing this, I would be able to operate an AC-powered device with a signal level source (such as 5V from an Audrino, for example).This item is merely an SPDT relay that activates when the AC is on at the outlet it is hooked into (it comes with a short power cord that allows you to plug it into a receptacle to be "monitored"). The relay disengages when there is no power. The relay is connected to the A/C power connection and cannot be activated by any other interface.Three decent-sized screws enable access to the SPDT side of the relay, allowing you to connect your load across the relay (ex: the signal to lower the video screen when the projector is powered up). The screws connect directly to the relay contacts; this device does not output any signal.
4.6/5
30/40A Relay – It is rated to handle 40 amps of load at 12V DC in the Normally Open position (PIN 87), and 30 amps of load at 12V DC in the Normally Closed position (PIN 87a). You can use it in any circuit less than 30A
With the Wire Harness - Makes relay installation a breeze. If one goes bad, just unplug it from the socket and plug in a new one
Wide range of use, can be used in automotive setup, seat warming, vehicle lighting system, car sound system and various other applications
SPDT Relay - Single Pole Double Throw, you can use them to open or close a circuit -- or go from bright to dim on your headlights
Each socket has a male and female slide. You can connect as many of these together next to each other as possible. This makes mounting them easy and clean looking
$234
It worked as intended, but to make it easier to identify which color is which wire while installation, I would add the wire color next to the wire number in the diagrams. It's really not a big deal; it's just an extra convenience for those who don't do any wiring. So far, a great product. With my high beam headlights, I use one relay to turn on and off my light bar.
4.5/5
High 40A coil capacity- able to handle those high current applications with ease
Package Include: 2 x 40A 4-Pin 12V Vehicle Relays
Use optional Relay Harness, or female Crimp Connectors
Brand new heavy duty 4-prongs SPST relays
Mechanical life of 10,000+ cycles
$234
When my glow plug circuit went bad in my 2001 New Holland TC35D (GP light would turn on during operation then later turn off entirely when starting), I had a terrible difficulty finding the appropriate replacement.Glow plug timer (around $90) replaced; nothing changed (very disappointed, I should have tested with voltmeter while applying 12 volts like I did later). The incorrect relay was then ordered. I then fitted the aforementioned relays that I had received, and everything is running flawlessly.Remove the side panel to access the glow plug circuit and fix it (4 bolts). Examine the relay setup. Glow plug timer is the leftmost of the four in the lower set. Check with a voltmeter and 12 volts of power to determine if continuity exists between two of the pins for five seconds after power is provided, then the device switches off. Then test the relay to see whether connecting two of the pins together with 12 volts would provide continuity. In my situation, the relay was broken and was a simple, inexpensive fix if I had tried that first. Good luck and have fun with that cool tractor.
4.5/5
HIGH SWITCHING CAPABILITY: 5-Pin SPDT (Single Pole Double Throw) 30/40 A Relay.
INTERLOCKING RELAY SOCKET: The relay socket harness base is interlocking designed for easy cable management and organization.
PACKAGE INCLUDE: 6 relays & 6 relay sockets with wires
WIRE INSTRUCTION: Black - (85), Red - (87a), White - (86), Yellow - (87) and Blue - (30).
GREAT QUALITY: The durable relay and heavy duty relay socket with 5 wires are made by high-grade materials to ensure superior quality.
$234
The sockets can be connected in a similar manner. I needed a method of switching a 30 amp load without purchasing a powerful dedicated switch. Building a trailer light test device with a rotary switch will allow me to alternate between functions while just requiring that the trailer brake activation be able to withstand up to 30 amps. The rotary switch will directly power the lights, and the relay will be placed in between it and the output to the brakes.
4.5/5
$234
My 2013 Durango wouldn't start after numerous attempts, so I had to tow it to the dealership where it started straight away for them. They conducted a variety of tests but were unable to identify any problems. A week later, my car broke down (luckily in a parking lot), and I was able to start it by performing online-recommended ignition switch resets. they took it back to the dealer after a week and got the same response. A few days later, the car would start and then not start at all. In 2015, the gasoline pump relay in my 2013 Durango was recalled, and it was changed out for this external relay. I reasoned that it was intermittently failing, and ever since I installed this, she has consistently started up after more than three weeks.
4.4/5
12/24V DC auto ranging voltage input
120 Amp continuous rating
Designed for 12 or 24 volt systems
$234
Recently installed, so far so good, extremely sturdy construction. usage to link an engine battery and a house battery so that both can transfer power back and forth. The device is fairly straightforward, having two main power lugs (one for each 12V battery), a spade lug for ground sensing (mandatory), another lug for start bypass (optional), which disconnects the house battery during engine start-up, and lugs for an optional remote 12V LED status indicator (unit has integrated LED indicator).The device's basic working principle is that it will connect two battery sources if either of them has a higher voltage (its a relay so when connected both batteries are wired together) As an illustration, let's say I have a house battery with solar panels in addition to the engine battery and alternator. I want the alternator to charge both batteries, but I don't want the house loads to draw from the starting battery when the engine is off (a typical configuration). However, I also have a solar PV module that generates excess power, so charging the starting battery with excess power is preferred. As a result, the house battery is connected to one terminal and the start battery to the other. If the engine is running, the start and house batteries are linked, but if it is not, the start battery is disconnected from the house battery *until* the solar output pushes the house battery voltage above 12.8 volts, at which point the relay closes and links both batteries. As soon as dusk falls, the relay opens and the batteries are once more separated.
4/5
Eliminate the need for tapping wires to install the load resistors.
The Max Power of the relay is 42W, which mean the power of your ( all ) LED bulbs must low than 42 W. If more than 42 W, load resistors may be required.
Directly replace the OEM two-pin flasher.
Completely waterproof design. Work for most Motorcycles such as Honda, Kawasaki, KTM, Suzuki, Yamaha and many other brands as well
Allow LED bulbs to blink at the normal rate.
$234
built into my 1972 CB350. It worked well and was very easy to change the blinker speed. I replaced all of my OEM lights with LEDs, and everything functioned flawlessly. Just so you know, it doesn't produce a clicking noise. It's performing wonderfully so far. Update if there are any problems.
4/5
Voltage: 12V DC ;Current; 0.02-20A ;Terminals Number : 3 Terminals;Size : 30 x 30 x 30mm/1.2" x 1.2" x 1.2" (L*W*H)
This led flasher do not fit the follwing models: 1967 MGBGT,1995 Jetta,2005 RSX,2016 Ural Gear up,1972 VW bug,2000 jeep wrangler,2005 Buell Blast,1988-1998 Chevy,1994 c1500,1992 Accord,chevy suburban,2005 triumph Daytona 650,2005 Pontiac GTO,2005 Holden caprice WL,2000 Ford Ranger.
Package Content : 1 x LED Flasher
Fit for turn blinker light or general turn signal,use this Led flasher relay can solve flash problem.
Safe and good quality.The durable relay are made by high-grade materials to ensure superior quality.
$234
Overall pleased with this purchase. used it to resolve a "hyperflash" problem brought on by an LED panel rear signal and an incandescent front signal. The flash rate has returned to normal.PROS:Easy to install; fixed the issue-Compatible with LED, LED pair or LED, Incandescent pair (from my knowledge).CONS:-A "Softer" ticking noise compared to the OEM relay (97 Honda Accord Sedan). -.5 stars.-After the signal is disengaged, the light will take a little longer to turn off, making one or two more audible clicks and flashing the dash indicator (but not the signal). -.5 stars.-In order for it to fit in my 1997 Honda Accord Sedan, I had to trim the area around the attachment point. Since this is probably not a problem in many vehicles, Honda is to blame rather than the maker.
4/5
Manufactured to meet expectations for fit, form, and function
Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
$234
This is a spare part that I purchased and I keep in my glove box just in case. Because of the apparent quality, I chose ACDelco. What a waste that it came in the large box that was depicted in the other reviewer's photos, but I'll reserve that for packaging criticism. The photo depicts a white plastic base, however the relay I received had a black one. I'm sure it makes no difference, but what else is there to say?
There are a few things you'll want to consider when choosing an automotive relay. First, you'll need to know the voltage and amperage rating that the relay can handle. You'll also want to make sure that the relay can handle the amount of current that your application will require. Additionally, you'll want to consider the size of the relay and how many pins it has. Lastly, you'll want to make sure that the relay is compatible with the automotive electrical system you're using.
To test an accessory relay, first disconnect the negative battery terminal. Next, using a multimeter, test the continuity of the relay by checking for continuity between the two small terminals on the relay. If there is continuity, the relay is good. If there is no continuity, the relay is bad and needs to be replaced.
Most cars have between four and eight relays. The relays are responsible for controlling various electrical components in the car, such as the headlights, taillights, and engine.
When changing a relay, it is best to disconnect the battery. This will prevent any accidental electrical shorts that could occur when changing the relay.
The three types of relay are electromagnetic, electrothermal, and solid state. Electromagnetic relays are the most common type of relay. They use an electromagnet to open or close a switch. Electrothermal relays use a heated element to open or close a switch. Solid state relays use semiconductor devices to open or close a switch.
A relay is an electrically operated switch that can be used to control a circuit. The switch is operated by an electromagnet, which is activated when a current is passed through it. The electromagnet then activates the switch, which can be used to control a circuit. The switch can be used to control a variety of devices, including lights, motors, and solenoids. The 87a designation on a relay indicates that the relay has a normally closed contact. This means that the switch is closed when the electromagnet is not activated, and it is open when the electrom
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