| Allicdata Part #: | 277-17688-ND |
| Manufacturer Part#: |
2905661 |
| Price: | $ 14.78 |
| Product Category: | Relays |
| Manufacturer: | Phoenix Contact |
| Short Description: | RELAY GEN PURPOSE SPDT 230V |
| More Detail: | General Purpose with Socket Relay SPDT (1 Form C) ... |
| DataSheet: |  2905661 Datasheet/PDF |
| Quantity: | 20 |
| 1 +: | $ 13.44420 |
| 10 +: | $ 11.94860 |
| 25 +: | $ 11.35110 |
| 50 +: | $ 10.75370 |
| 100 +: | $ 10.15630 |
| 250 +: | $ 9.26009 |
| 500 +: | $ 8.66278 |
| Turn On Voltage (Max): | -- |
| Coil Resistance: | 51.11 kOhms |
| Coil Power: | 1.04 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: | 12ms |
| Turn Off Voltage (Min): | -- |
| Series: | RIF |
| Switching Voltage: | 250VAC, 250VDC - Max |
| Contact Rating (Current): | 8.5A |
| Contact Form: | SPDT (1 Form C) |
| Coil Voltage: | 230VAC |
| Coil Current: | 4.5mA |
| Coil Type: | Non Latching |
| Relay Type: | General Purpose with Socket |
| Part Status: | Active |
| Packaging: | Bulk |
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Power relays with ratings over 2 Amps are designed to control and direct the flow of electrical power between two or more circuits. These relays draw power from the current passing through them and turn their own power on or off with other factors. The 2905661 application field and working principle is an extension of this concept.
Identifying Power Relays
The 2905661 power relay has a DC rating of 2.5 Amps, and is a single-pole, double-throw (SPDT) type. The dimensions of the relay are 0.945” x 0.571” x 0.385”. The pin configuration is standard for power relays, with four normally open (NO) contacts, two normally closed (NC) contacts, and an actuator terminal.
The 2905661 Application Field
The 2905661 can be used in a variety of applications. It can be used as part of an AC/DC power supply, a voltage regulator, or as part of a series of switching devices such as choppers or transistors. It can also be used to switch high voltage between two or more circuits, such as for motors or in circuit breakers. The 2905661 has a high voltage breakdown voltage of 200 V, making it suitable for these applications.
The 2905661 Working Principle
When a voltage is applied to the contacts of the relay, a current is sent through the electrical circuit. This current passes through a coil inside the relay. This magnetizes the actuator terminal, which in turn either closes or opens a set of contacts. Depending on the polarity of the current, the contacts will either open or close, thus turning power to the next circuit on or off.
Conclusion
The 2905661 power relay is a reliable and versatile relay designed for DC power applications. It has multiple contacts and a high breakdown voltage, making it suitable for a wide range of applications. The working principle is simple - current passing through the relay will magnetize the contacts, which in turn activate or deactivate the relay. The 2905661 is reliable and easy to use, but care must be taken to ensure that the relay does not exceed its rated values.
The specific data is subject to PDF, and the above content is for reference
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