Allicdata Part #: | 277-12437-ND |
Manufacturer Part#: |
2981839 |
Price: | $ 91.48 |
Product Category: | Relays |
Manufacturer: | Phoenix Contact |
Short Description: | SAFETY RELAY DIN RAIL MOUNT |
More Detail: | Relay Coil |
DataSheet: | 2981839 Datasheet/PDF |
Quantity: | 9 |
1 +: | $ 83.16000 |
10 +: | $ 76.50790 |
50 +: | $ 70.68600 |
Series: | -- |
Part Status: | Active |
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Power Relays, Over 2 Amps
Power relays are among the most ubiquitous electrical components, capable of powering many electrical applications and providing a convenient means of controlling the power to multiple components. In this article, we will discuss the 2981839 application field and working principle of power relays greater than 2 amperes.
Overview of Power Relays
Power relays are electronically controlled switches that are used to switch power in an circuit. A power relay typically contains an electromagnet, armature, diode, and contact points. When an electrical current passes through the electromagnet, it creates a magnetic field which actuates the armature, thus opening or closing the contact points. This is the basic working principle of a power relay.
Features of Power Relays, Over 2 Amps
Power relays use a coil wound around an electromagnet, which is then attached to an armature. When an electric current passes through the coil, it creates an electromagnetic field which actuates the armature and opens or closes the contact points. This is the basic operation of a power relay.
Power relays with amperages of 2 or more offers several distinct features, in comparison to relays carrying lower current. In general, these power relays possess higher contact current ratings and higher voltage ratings, as well as lower contact resistance and better surge protection. This makes them ideal for use in applications requiring higher power levels.
Applications and Working Principle of Power Relays, Over 2 Amps
Power relays, with current ratings of over 2 amperes, are commonly used in a variety of applications. In the home, they are used for controlling power to major appliances, such as refrigerators, washing machines, dryers, and air conditioners. In industrial settings, they are used for controlling power to industrial motors, pumps, and valves.
The working principle for these relays is relatively simple. When current is passed through the coil, it generates a magnetic field which actuates the armature, thus opening or closing the contact points. Once the contact points are opened or closed, it enables the power to flow or be disconnected from the circuit.
The most commonly used power relays are those of the electromagnetic type. This type of relay consists of an electromagnet, armature, diode, and contact points. When a current is passed through the coil, it creates a magnetic field which actuates the armature, thus closing or opening the contact points. This is the basic working principle of a power relay.
Conclusion
Power relays, with amperages of 2 or more, offer a convenient means of controlling power in a circuit. In general, power relays with current ratings of 2 or more have higher contact current ratings, higher voltage ratings, and lower contact resistance. This makes them ideal for use in applications needing higher power levels. In addition, the working principle of these power relays is fairly simple—when an electric current passes through the coil, it creates a magnetic field which actuates the armature, thus opening or closing the contact points.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
LMLK1-1REC4-29813-240-V | Sensata-Airp... | 55.74 $ | 1000 | CIR BRKR MAG-HYDR LEVER |
2981TR | Keystone Ele... | 0.18 $ | 1000 | BATTERY CONTACT NEGATIVE ... |
2981033 | Phoenix Cont... | 178.1 $ | 1 | MODULE I/O 1 CHANNEL 24VS... |
2981AV | Greenlee Com... | 150.4 $ | 1000 | DIE RD 3.500 CONDUIT |
2981499 | Phoenix Cont... | 152.46 $ | 1000 | RELAY SAFETY DPST 6A 24VS... |
2981703 | Phoenix Cont... | 194.08 $ | 1000 | RELAY SAFETYRelay Coil |
2981376 | Phoenix Cont... | 49.2 $ | 6 | UNIVERSAL SAFETY RELAY 2P... |
2981457 | Phoenix Cont... | 72.07 $ | 3 | SAFETY RELAY DIN RAIL MOU... |
2981444 | Phoenix Cont... | 76.23 $ | 2 | UNIVERSAL SAFETY RELAY DI... |
2981839 | Phoenix Cont... | 91.48 $ | 9 | SAFETY RELAY DIN RAIL MOU... |
2981981 | Phoenix Cont... | 114.35 $ | 2 | RELAY SAFETY DPST 5A 24VS... |
2981062 | Phoenix Cont... | 146.22 $ | 5 | 1-2 CHANNEL SAFETY RELAY ... |
2981486 | Phoenix Cont... | 152.46 $ | 2 | RELAY SAFETY DPST 6A 24VS... |
2981677 | Phoenix Cont... | 167.71 $ | 2 | MODULE I/O 24VSafety Rela... |
2981020 | Phoenix Cont... | 178.1 $ | 10 | RELAY SAFETY DPST 6A 24VS... |
2981431 | Phoenix Cont... | 313.24 $ | 3 | RELAY SAFETY 3PST 6A 24VS... |
2981198 | Phoenix Cont... | 0.0 $ | 1000 | RELAY SAFETYRelay Coil |
2981208 | Phoenix Cont... | 0.0 $ | 1000 | RELAY SAFETYRelay Coil |
2981211 | Phoenix Cont... | 0.0 $ | 1000 | RELAY SAFETYRelay Coil |
2981240 | Phoenix Cont... | 0.0 $ | 1000 | RELAY SAFETYRelay Coil |
2981567 | Phoenix Cont... | 0.0 $ | 1000 | RELAY SAFETYRelay Coil |
2981965 | Phoenix Cont... | 81.08 $ | 3 | UNIVERSAL SAFETY RELAY |
2981460 | Phoenix Cont... | 0.0 $ | 1000 | UNIVERSAL SAFETY RELAY DI... |
2981114 | Phoenix Cont... | 0.0 $ | 1000 | RELAY SAFETY 3PST 6A 24VS... |
2981125 | Phoenix Cont... | 0.0 $ | 1000 | SAFETY RELAY DIN RAIL MOU... |
2981127 | Phoenix Cont... | 0.0 $ | 1000 | 1-2 CHANNEL SAFETY RELAY ... |
2981253 | Phoenix Cont... | 0.0 $ | 1000 | 1-2 CHANNEL SAFETY RELAY ... |
2981952 | Phoenix Cont... | 81.08 $ | 1 | UNIVERSAL SAFETY RELAYRel... |
2981402 | Phoenix Cont... | 117.12 $ | 1 | SAFETY RELAY DIN RAIL 120... |
2981046 | Phoenix Cont... | 173.25 $ | 1 | MODULE I/O 1 CHANNEL 24VS... |
2981017 | Phoenix Cont... | 178.1 $ | 1 | RELAY SAFETY DPST 6A 24VS... |
2981800 | Phoenix Cont... | 225.92 $ | 1 | RELAY SAFETY DPST 6A 24VS... |
2981525 | Phoenix Cont... | 247.4 $ | 1 | 1 CHANNEL EXPANSION MOD D... |
LELK1-1REC4-29813-130-V | Sensata-Airp... | 51.84 $ | 1000 | CIR BRKR MAG-HYDR LEVER |
LELK1-1REC4-29813-90-V | Sensata-Airp... | 65.49 $ | 1000 | CIR BRKR MAG-HYDR LEVER |
2981554 | Phoenix Cont... | 137.21 $ | 4 | PSR CONFIGURATION SOFTWAR... |
2981897 | Phoenix Cont... | 43.66 $ | 1000 | ADAPTER FOR PSR-RSM HARDW... |
2981949 | Phoenix Cont... | 94.25 $ | 1000 | INTERFACE MODULE CONNECTI... |
2981936 | Phoenix Cont... | 94.25 $ | 1000 | INTERFACE MODULE CONNECTI... |
2981619 | Phoenix Cont... | 98.41 $ | 1000 | CABLE ADAPTER |
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