Delete All. ON OFF. COM Part No. Description Marking. Ningbo songle relay co. Contact type: 1 PDT. Contact type: 4 changeover contacts. Contact type: 4 PDTs. Electronic Components Datasheet Search. Part No. Description Marking X. Relay retaining bracket, with ejector function and holder for marking material, suitable for RIF-1 relay base, for 16 mm tall miniature power relay and solid-state relay. Relay retaining bracket, with ejector function and holder for marking material, suitable for RIF-1 relay base, for 25 mm tall miniature power relay and solid-state relay.
Relay socket PR Pre-assembled relay module with push-in connection, consisting of: relay base, relay retaining bracket, and power contact relay with test button, integrated status LED, and freewheeling diode. Relay retaining bracket, with eject function and integrated equipment marking area 7. Pre-assembled relay module with push-in connection, consisting of: relay base, relay retaining bracket, plug-in suppressor module, and power contact relay with test button and integrated status LED.
Pre-assembled relay module with screw connection, consisting of: relay base, relay retaining bracket, and power contact relay with test button, integrated status LED, and freewheeling diode. Relay retaining bracket, with holder for marking material, suitable for RIF-4 relay base, for high-power relay. Pre-assembled relay module with screw connection, consisting of: relay base, power contact relay, and retaining bracket. Input voltage: V DC.Skip to main content DC 12V Relay.
In Stock. Installed in my house. The base has no labeling for what each screw connection is attached to within the relay. Add to cart.
Works great, and cheap. I wish they used real copper wire on the pigtails, but for the price it's not a big deal. I have not tested them at that kind of load, only 20 Amps, which they work fine at. I wouldn't push them to their limit, at least not with anything important like electric fans. I bought it to reverse polarity on a motor, it has worked flawlessly switching at dusk and dawn for 2 months now. This is a really nice heavy duty relay. I put it in my Superduty to run my auxiliary backup lights with my upfitter switches.
My configuration uses two of the upfitter switches in the truck. The mounting bracket worked out nice. This relay is water proof as well, has a nice ribbed torturous path gasket. Has two completely independent 24 volt single pole single throw relays.
The fact that it has wires worked well in my application which was a home made heater controller. These are mechanical relays. I can here them click. Relay kit work great I use it for my trailer light wiring harness so to take the power load off the truck lights and add a fuse to each light circuit.
I am shocked at the quality of these relays, particularly for the price. This timer with 18 easy to program setups is what I have been trying to build out of a for a long time. It works perfectly and is a timing solution for several of my unfinished projects.
Enclosed instructions were adequate to assist me through the programming steps needed. I would not suggest this for a beginner unless help for setup is available. Very happy. Great item for a reasonable price. Currently unavailable. These are really good for the price. The relays look nice and solid and the sockets are well-made; the screws don't slip.5V 1 Channel Level Trigger Optocoupler Relay Module For Arduino
The relays do take a lot of vertical space when on the sockets though. Current draw is a bit high on the coil but these are after all real coils and not some cheap magnetic reed. See All Buying Options. Just 5v gives you a nice satisfying click on this relay module.
I haven't tried putting a huge load through it but the PCB traces look thick enough to handle a significant amount of current, not sure that terminal block can take 30 amps though. I'd only be using this for amps max. I did accidentally over tighten the the 5v terminal block and strip one of them, whoops.A relay is essentially a switch that is operated electrically rather than mechanically. Although there are various relay designs, the ones most commonly found in low voltage auto and marine applications are electro-mechanical relays that work by activating an electromagnet to pull a set of contacts to make or break a circuit.
These are used extensively throughout vehicle electrical systems. This is the most common reason and useful where an in-line switch or the existing circuit does not have the capacity to handle the current required.
For example, if you wanted to fit some high power work lights that come on with the headlights but there is a risk that they would exceed the capacity of the existing loom. High current capacity wiring and switches cost more than lower current capacity versions, so by using relays the requirement for the more expensive components is minimised.
You can use a single input from one part of an electrical system e. Although these logical functions have now been superseded by electronic modules for OEM designs, it can still be useful, fun and often more cost effective to use relays to perform them for some after-market projects particularly where you have a bespoke application.
Note: In this article we are going to focus on ISO mini or 'standard' relays which have a 1" cube body and are the most commonly used in vehicle electrical systems. A copper coil around an iron core the electromagnet is held in a frame or 'yoke' from which an armature is hinged.
One end of the armature is connected to a tension spring which pulls the other end of the armature up. This is the relay in its de-energised state or 'at rest' with no voltage applied.
The braided bonding strap provides a good electrical connection between the armature and yolk, rather than relying on contact between the armature pivot point alone. The coil and contact or contacts are then connected to various terminals on the outside of the relay body. When the coil is supplied with voltage a magnetic field is generated around it which pulls the hinged armature down onto the contact. This completes the 'high' current circuit between the terminals and the relay is said to be energised.
When voltage is removed from the coil terminal the spring pulls the armature back into it's 'at rest' position and breaks the circuit between the terminals.
So by applying or removing power to the coil the low current circuit we switch the high current circuit on or off. The coil circuit simply switches the high current circuit on. The following simplified circuit diagram is often used to easily understand how a relay operates:. Normally Open relays are the more common type. These have two contacts connected to a common terminal.
This is based on standard switch terminology. The terminals on the outside of a 4 or 5 pin mini relay are marked with numbers as shown below:. The automotive ISO mini relays we have been looking at above are typically available in two types of pin layout designated Type A and Type B layouts. These layouts are shown on the two 5-pin relays below pin 87a not present on 4 pin relays :.
You will notice that on the Type B layout pins 86 and 30 are swapped over compared with the Type A layout. The Type B layout is arguably easier to work with as the connected terminals are in-line, making the wiring easier to visualise.
If you need to replace a relay make sure you use one with the same terminal layout as it is easy to overlook if you're not aware of the difference. The terminal widths used on 4 and 5 pin relays are almost always 6. The 9. Relays can look very similar from the outside so they normally have the circuit schematic, voltage rating, current rating and terminal numbers marked on the body to identify them.
This shows the basic internal circuits including any diodes, resistors etc. The operating voltage of the coil and high current circuits. Typically 12V for passenger vehicles and small craft but also available in 6V for older vehicles and 24V for commercial applications both auto and marine. This is the current carrying capacity of the high current circuit s and is normally between 25A and 40A, however it is sometimes shown as a dual rating on changeover relays e.
Tip: Knowing the coil resistance is useful when testing the relay for a fault with a multi-meter. A very high resistance o r open circuit reading can indicate a damaged coil.Product Category Portlet Relays. Signal Relays. PCB Relays for switching current 2A max. Search by Features. Search by Product Map. PCB Power Relays. PCB Power Relays for high switching capacity. AC Power Latching Relay. High switching current, Diversified Application latching relay.
General Purpose Relays. Wide variety of product types for a wide range of capacities and applications. DC Power Relays.
Omron 12V Relay Datasheet
DC Power Relay. DC Power Relays capable of interrupting high-voltage, high-current loads. Solid State Relays. SSR are semiconductor relays for switching current A max. Automotive Relays. Automotive PCB Relays. Automotive Relays which compliant with many kinds of applications.
Automotive Plug-in Relays. Automotive DC Power Relays. Note for sale of Automotive relays and using catalogue 1. Selling for car makers and companies related to Automotive Omron and car makers or companies related to automotive confirm relay specifications and actual using condition to use relays safely. Tests are included when necessary.
Omron can not sell or guarantee our automotive relays when we have not finished making contracts with Product Specification. Omron basically can not support for individual customers. Safety Precautions for All Automotive Relays When you consider using our automotive relays or see our catalogue, please confirm our Safety Precautions for All Automotive Relays in advance.
Once activated by the remote handset, the standard 12V relay can switch a 16A load. Abstract: No abstract text available Text: remote handset, the standard 12V relay can switch a 16A load. Abstract: No abstract text available Text: standard 12V relay can switch a 16A load. Abstract: No abstract text available Text: consumes typically only mW. Abstract: No abstract text available Text: activated by the remote handset, the standard 12V relay can switch a 16A load. To overcome the voltage variation of the unregulated.
Regulated 5V is provided for the logic circuits, while unregulated 12V is used for the relay coils. Transistor buffers are used to interface the circuit to the 12V relays.
All three of the. Abstract: zener diode with 5. Abstract: No abstract text available Text: Protection 1. The operating voltage for a 12V relay coil is typically very wide and can therefore operate directly from the unregulated. A data. In more modern computers this may not be so. Measure the voltage on the collector.The other end of the load is either connected to NO or NC. If connected to NC the load remains connected before trigger. If connected to NO the load remains disconnected before trigger.
Relays are most commonly used switching device in electronics. Make sure the load you are using falls into this range. The above diagram is for relay triggering circuit. For switching we are using a transistor as a switching device. You can also notice a diode connected across the coil of the relay, this diode is called the Fly back Diode. The purpose of the diode is to protect the switch from high voltage spike that can produced by the relay coil.
As shown one end of the load can be connected to the Common pin and the other end is either connected to NO or NC. If connected to NO the load remains disconnected before trigger and if connected to NC the load remains connected before trigger. Subscribe to stay updated with industry's latest Electronics components and news. Littelfuse's Nano2 F series enhances protection from overload and short circuit current events. Stewart Connector's SS series jacks are ideal in 2. How to Use a Relay?
Applications Commonly used in switching circuits. Component Datasheet. Tags Power Electronics. Get Our Weekly Newsletter! Littelfuse F Series Fuse. Amphenol Millimeter Wave Interconnects. Amphenol SV Microwave features their high-frequency millimeter wave coaxial connectors.
DC 12V Relay
Each time the initiating switch is opened, the output relay contacts will change state, thus alternating the two loads. We offer both single or multiple function time delay relays. Abstract: No abstract text available Text: single or multiple function time delay relays.
A Time Delay relay is a combination of an electromechanical output relay and a control circuit. The control circuit is comprised of solid state components and timing circuits that control operation of the relay and timing range.
Typical time delay functions include, thumbwheel switches, or recessed potentiometer. The output contacts on the electromechanical output relaytype of time delay relay. Understanding the differences between all the functions available in time. Isolated channels allow control of each relay by a different logic system, if necessary. There are two inputs for each relay coil per channel. Bussed channels. IDEC www. Bussed channels allow high density packaging with a common input for all relays. Safety Relay.
Solid state analog circuitry. Triggered delay on release timing mode. DPDT 2 form C isolated 10 ampere relay contactsto operate the internal relay.
Relay contacts transfer when the trigger input terminal is activatedcompleted the relay will de-energize. The timing cycle may be reset to zero during the timing cycle by reactivating the trigger input terminal. True delay on dropout: Timing cycle after power removal.
DPDT 2 form C isolated 4 ampere relay contacts. Timing selection: Knob adjustable or Fixed. Numerous models timing from 0. The timing cycle begins when input voltage is removed. When the timing cycle is complete, the relay will de-energize. The relay contacts will reset. One-shot timing mode interval on. DPDT 2 form C isolated 10 ampere relay contacts. Solid-state analog flasher circuitry. Solving Your Relaycustom duty cycles available.
Each time the initiating switch is opened, the. Delay on operate timing mode. Timingbegins upon application of input power. The relay contacts transfer at the end of the delay period and .
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