2903278 Relays |
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Allicdata Part #: | 277-10114-ND |
Manufacturer Part#: |
2903278 |
Price: | $ 16.35 |
Product Category: | Relays |
Manufacturer: | Phoenix Contact |
Short Description: | RELAY GEN PURPOSE 3PDT 10A 24V |
More Detail: | General Purpose with Socket Relay 3PDT (3 Form C) ... |
DataSheet: | 2903278 Datasheet/PDF |
Quantity: | 19 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 14.86170 |
5 +: | $ 13.89150 |
10 +: | $ 12.78020 |
50 +: | $ 11.80780 |
100 +: | $ 11.25210 |
250 +: | $ 10.55760 |
Series: | RIF |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Relay Type: | General Purpose with Socket |
Coil Type: | Non Latching |
Coil Current: | 56.0mA |
Coil Voltage: | 24VDC |
Contact Form: | 3PDT (3 Form C) |
Contact Rating (Current): | 10A |
Switching Voltage: | 440VAC, 250VDC - Max |
Turn On Voltage (Max): | -- |
Turn Off Voltage (Min): | -- |
Operate Time: | 20ms |
Release Time: | 20ms |
Features: | Diode, LED Indicator |
Mounting Type: | DIN Rail |
Termination Style: | Spring Terminal |
Operating Temperature: | -40°C ~ 60°C |
Contact Material: | Silver Nickel (AgNi) |
Coil Power: | -- |
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Power Relays, Over 2 Amps
2903278 Application Field and Working Principle
2903278 is a power relay type of over 2 Amps, and it is used to switch the electrical circuit of various electronic devices. This type of relay can usually work under the control of an electronic circuit, and its role is mainly to activate or deactivate a contact in the circuit which is related to an electrical load. It is mainly composed of a high voltage electric source, a coil, a contact that carries the electric current, and a switch. When the high voltage power and current are applied to the coil, an electromagnet is activated and this pushes the contact to the connection point.
When high voltage electric supply and current are passed through the coil, the electromagnetic field of the coil will be generated and the contact point in the system will press against the connection point, thus establishing a connection within the circuit. As a result, the load will be connected to the electric source and the corresponding electrical signals will be generated. After the power is switched off, the electromagnetic field of the coil will break down, and the contact point will return to its original position, thus disconnecting the electric circuit.
Different types of power relays have different application fields. Normally, they are used to switch the signals of high voltage power supply and to control the operation of various electrical devices. In addition, they are widely used for the control of AC and DC motors, for circuit protection, for high power switching, for the control of the starting and feedback of the motor, for the control of various electronic appliances, and many more similar applications.
The working principle of this type of power relay is based on the fact that when the high voltage and current are applied to the coil, the magnetic field of the coil is created and this applies the force onto the contact point, thus establishing a connection between the electric source and the electrical device. After the power is released, the contact points can easily return to their original positions, thus breaking the circuit. This type of relay is very reliable because its operation is based on the principle of electromagnetism rather than mechanical parts.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
2903338 | Phoenix Cont... | 7.78 $ | 19 | RELAY GEN PURPOSE SPDT 50... |
2903327 | Phoenix Cont... | 10.9 $ | 6 | RELAY GEN PURPOSE DPDT 50... |
2903447 | Phoenix Cont... | 58.91 $ | 9 | PROGRAMMING CABLE |
2903329 | Phoenix Cont... | 8.57 $ | 15 | RELAY GEN PURPOSE DPDT 50... |
2903328 | Phoenix Cont... | 9.35 $ | 16 | RELAY GEN PURPOSE DPDT 50... |
2903335 | Phoenix Cont... | 10.57 $ | 8 | RELAY GEN PURPOSE SPDT 50... |
2903337 | Phoenix Cont... | 8.57 $ | 46 | RELAY GEN PURPOSE SPDT 50... |
2903369 | Phoenix Cont... | 9.01 $ | 78 | RELAY GEN PURPOSE SPDT 50... |
2903368 | Phoenix Cont... | 8.57 $ | 72 | RELAY GEN PURPOSE SPDT 50... |
2903360 | Phoenix Cont... | 7.46 $ | 93 | RELAY GEN PURPOSE SPST 50... |
2903336 | Phoenix Cont... | 9.35 $ | 152 | RELAY GEN PURPOSE SPDT 50... |
2903148 | Phoenix Cont... | 85.14 $ | 38 | AC/DC CONVERTER 24V 120WE... |
2903002 | Phoenix Cont... | 70.69 $ | 40 | AC/DC CONVERTER 15V 100WE... |
2903361 | Phoenix Cont... | 6.23 $ | 698 | RELAY GEN PURPOSE SPST 6A... |
2903342 | Phoenix Cont... | 7.46 $ | 368 | RELAY GEN PURPOSE SPDT 11... |
2903334 | Phoenix Cont... | 7.78 $ | 932 | RELAY GEN PURPOSE DPDT 8A... |
2903370 | Phoenix Cont... | 7.78 $ | 919 | RELAY GEN PURPOSE SPDT 6A... |
2903371 | Phoenix Cont... | 8.57 $ | 172 | RELAY GEN PURPOSE SPDT 6A... |
2903340 | Phoenix Cont... | 9.01 $ | 117 | RELAY GEN PURPOSE SPDT 10... |
2903242 | Phoenix Cont... | 146.18 $ | 1000 | SCK-M-I-4S-20A |
2903241 | Phoenix Cont... | 184.77 $ | 1000 | SCK-M-I-8S-20A |
2903098 | Phoenix Cont... | 213.97 $ | 1000 | EU5C-SWD-CAN PXC |
2903100 | Phoenix Cont... | 245.15 $ | 1000 | EU5C-SWD-DP PXC |
2903104 | Phoenix Cont... | 250.52 $ | 1000 | EU5E-SWD-2A2A PXC |
2903171 | Phoenix Cont... | 44.88 $ | 3 | PLC-OSC-LPE-24DC/48DC/100... |
2903173 | Phoenix Cont... | 44.88 $ | 1000 | PLC-OPT-LPE-24DC/48DC/100... |
2903591 | Phoenix Cont... | 104.48 $ | 2 | SCK-M-U-1500V |
2903244 | Phoenix Cont... | 292.8 $ | 1 | EU5C-SWD-EIP-MODTCP PXC |
2903113 | Phoenix Cont... | 84.72 $ | 1000 | EU5C-SWD-PF2-1 PXC |
2903101 | Phoenix Cont... | 84.72 $ | 1000 | EU5E-SWD-4D4D PXC |
2903102 | Phoenix Cont... | 108.63 $ | 1000 | EU5E-SWD-4DX PXC |
2903103 | Phoenix Cont... | 108.63 $ | 1000 | EU5E-SWD-X8D PXC |
2903468 | Phoenix Cont... | 72.94 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
2903476 | Phoenix Cont... | 72.94 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
2903469 | Phoenix Cont... | 76.41 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
2903477 | Phoenix Cont... | 76.41 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
2903470 | Phoenix Cont... | 83.34 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
2903478 | Phoenix Cont... | 83.34 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
2903502 | Phoenix Cont... | 90.09 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
2903471 | Phoenix Cont... | 90.62 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
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