| Allicdata Part #: | 277-17697-ND |
| Manufacturer Part#: |
2903321 |
| Price: | $ 11.00 |
| Product Category: | Relays |
| Manufacturer: | Phoenix Contact |
| Short Description: | RELAY GEN PURPOSE DPDT 8.5A 230V |
| More Detail: | General Purpose with Socket Relay DPDT (2 Form C) ... |
| DataSheet: | 2903321 Datasheet/PDF |
| Quantity: | 20 |
| 1 +: | $ 9.99180 |
| 10 +: | $ 8.87922 |
| 25 +: | $ 8.43521 |
| 50 +: | $ 7.99127 |
| 100 +: | $ 7.54733 |
| 250 +: | $ 6.88136 |
| 500 +: | $ 6.43747 |
| 1000 +: | $ 6.10447 |
| Turn On Voltage (Max): | -- |
| Coil Resistance: | 35.39 kOhms |
| Coil Power: | 1.5 W |
| Contact Material: | Silver Nickel (AgNi) |
| Operating Temperature: | -40°C ~ 50°C |
| Termination Style: | Screw Terminal |
| Mounting Type: | DIN Rail |
| Features: | LED Indicator, Varistor |
| Release Time: | 20ms |
| Operate Time: | 15ms |
| Turn Off Voltage (Min): | -- |
| Series: | RIF |
| Switching Voltage: | 250VAC, 250VDC - Max |
| Contact Rating (Current): | 8.5A |
| Contact Form: | DPDT (2 Form C) |
| Coil Voltage: | 230VAC |
| Coil Current: | 6.5mA |
| Coil Type: | Non Latching |
| Relay Type: | General Purpose with Socket |
| Part Status: | Active |
| Packaging: | Bulk |
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Power Relays, Over 2 Amps: 2903321 Application Field and Working Principle
The 2903321 is a Power Relay, rated over 2 Amps, commonly used by engineers all over the world to control electrical circuits without manual intervention. It can be used to control a wide variety of electrical devices, but is especially useful for power switching.
The 2903321 Power Relay is composed of two main parts, the plug-in relay itself and a mounting bracket. The plug-in relay contains two large coils, which create the magnetic field necessary to switch the power in the circuit. The mounting bracket serves to hold the relay in place, preventing vibrations from affecting its performance.
The application field of the 2903321 Power Relay covers a broad range of low voltage applications. It is commonly used to switch on and off small electrical motors, and also to control relays and solenoids in industrial machinery. This relay also serves various roles in home automation, alarm systems, and power monitoring systems.
The working principle of the 2903321 Power Relay is fairly simple. When it receives an electrical signal, it energizes the two coils contained within the plug-in relay. This creates the magnetic field necessary to switch the power in the circuit. When the electric current is released, the coils stop working and the power in the circuit stays off until the next command is sent.
The 2903321 Power Relay is an incredibly useful and reliable electrical device, due to its combination of long-lasting durable parts and simple working principles. Its application field is incredibly broad, providing it with countless uses in both automated systems and home applications. As such, it is a must-have in any toolbox requiring power control.
The specific data is subject to PDF, and the above content is for reference
| Part Number | Manufacturer | Price | Quantity | Description |
|---|
| 2903116 | Phoenix Cont... | 171.35 $ | 1000 | MOTOR STARTER REV 0.6A 42... |
| 2903779 | Phoenix Cont... | 36.9 $ | 2 | INTERFACE MOD DSUB MALE 1... |
| 2903600 | Phoenix Cont... | 173.25 $ | 1000 | INTERFACE MOD HDR 14POS 1... |
| 2903338 | Phoenix Cont... | 7.78 $ | 19 | RELAY GEN PURPOSE SPDT 50... |
| 2903920 | Phoenix Cont... | 112.1 $ | 1000 | MOTOR STARTER REV 0.6A 42... |
| RN-2903-PICTAIL | Microchip Te... | 45.05 $ | 11 | RN2903 PICTAIL(TM)/PICTAI... |
| 2903527 | Phoenix Cont... | 50.59 $ | 4 | MONITORING RELAY 3PH SCRE... |
| 2903079 | Phoenix Cont... | 124.74 $ | 1000 | RELAY SOLID STATESolid St... |
| 2903316 | Phoenix Cont... | 11.39 $ | 20 | RELAY GEN PURPOSE 4PDT 5A... |
| 2903113 | Phoenix Cont... | 84.72 $ | 1000 | EU5C-SWD-PF2-1 PXC |
| 2903402 | Phoenix Cont... | 410.43 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
| 2903800 | Phoenix Cont... | 62.72 $ | 5 | POWER DISTRIBUTION BLOCK ... |
| 2903176 | Phoenix Cont... | 101.29 $ | 1000 | PLUGGABLE POWER OPTOCOUPL... |
| 2903709 | Phoenix Cont... | 8.67 $ | 5 | RELAY TIMERRelay Coil |
| 2903259 | Phoenix Cont... | 279.28 $ | 1000 | PSR-PIP-24DC/MXF3/4X1/2X2... |
| 2903708 | Phoenix Cont... | 8.32 $ | 1000 | RELAY TIMERRelay Coil |
| 2903345 | Phoenix Cont... | 10.44 $ | 20 | RELAY GEN PURPOSE DPDT 50... |
| 2903395 | Phoenix Cont... | 231.99 $ | 1000 | CABLE ASSEMBLY INTERFACE ... |
| 2903318 | Phoenix Cont... | 11.0 $ | 20 | RELAY GEN PURPOSE 4PDT 5A... |
| IULK1111-29033-1 | Sensata-Airp... | 231.45 $ | 1000 | CIRCUIT BREAKER MAG-HYDR ... |
| 2903163 | Phoenix Cont... | 101.71 $ | 1000 | RELAY SOLID STATESolid St... |
| 2903639 | Phoenix Cont... | 131.39 $ | 1000 | RELAY SOLID STATESolid St... |
| 2903297 | Phoenix Cont... | 11.68 $ | 7 | RIF-3-RPT-LDP-24DC/2X21Re... |
| 2903392 | Phoenix Cont... | 79.53 $ | 1000 | VIP-3/SC/D37SUB/F/REVERSE |
| 2903346 | Phoenix Cont... | 10.05 $ | 16 | RELAY GEN PURPOSE DPDT 50... |
| 2903343 | Phoenix Cont... | 13.29 $ | 20 | RELAY GEN PURPOSE DPDT 50... |
| 2903692 | Phoenix Cont... | 7.62 $ | 1000 | RELAY TIMERRelay Coil |
| 2903591 | Phoenix Cont... | 104.48 $ | 2 | SCK-M-U-1500V |
| 2903040 | Phoenix Cont... | 117.67 $ | 1000 | PLUGGABLE OPTOCOUPLER 12V... |
| 2903803 | Phoenix Cont... | 62.37 $ | 1000 | INTERFACE MOD HDR 50POS 1... |
| 2903688 | Phoenix Cont... | 5.2 $ | 1000 | RELAY TIMERRelay Coil |
| 2903697 | Phoenix Cont... | 139.29 $ | 1000 | RELAY SOLID STATESolid St... |
| 2903296 | Phoenix Cont... | 11.33 $ | 1000 | RELAY GEN PURPOSE DPDT 7A... |
| 2903257 | Phoenix Cont... | 279.28 $ | 1000 | PSR-SCP-24DC/MXF3/4X1/2X2... |
| 2903680 | Phoenix Cont... | 5.54 $ | 1000 | RELAY TIMERRelay Coil |
| 2903151 | Phoenix Cont... | 217.41 $ | 6 | AC/DC CONVERTER 24V 480WE... |
| 2903241 | Phoenix Cont... | 184.77 $ | 1000 | SCK-M-I-8S-20A |
| 2903289 | Phoenix Cont... | 18.57 $ | 15 | RELAY GEN PURPOSE DPDT 9A... |
| M39003/01-2903H | Vishay Sprag... | 0.0 $ | 1000 | CAP TANT 4700PF 10% 100V ... |
| 2903676 | Phoenix Cont... | 5.19 $ | 10 | RELAY TIMERRelay Coil |
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2903321 Datasheet/PDF