Allicdata Part #: | 277-10104-ND |
Manufacturer Part#: |
2903311 |
Price: | $ 9.01 |
Product Category: | Relays |
Manufacturer: | Phoenix Contact |
Short Description: | RELAY GEN PURPOSE DPDT 8.5A 120V |
More Detail: | General Purpose with Socket Relay DPDT (2 Form C) ... |
DataSheet: | 2903311 Datasheet/PDF |
Quantity: | 1 |
1 +: | $ 8.19000 |
10 +: | $ 7.65450 |
50 +: | $ 7.04214 |
100 +: | $ 6.50639 |
250 +: | $ 6.20018 |
500 +: | $ 5.81745 |
Specifications
Series: | RIF |
Packaging: | Bulk |
Part Status: | Active |
Relay Type: | General Purpose with Socket |
Coil Type: | Non Latching |
Coil Current: | 13.0mA |
Coil Voltage: | 120VAC |
Contact Form: | DPDT (2 Form C) |
Contact Rating (Current): | 8.5A |
Switching Voltage: | 250VAC, 250VDC - Max |
Turn On Voltage (Max): | -- |
Turn Off Voltage (Min): | -- |
Operate Time: | 15ms |
Release Time: | 20ms |
Features: | LED Indicator, Varistor |
Mounting Type: | DIN Rail |
Termination Style: | Spring Terminal |
Operating Temperature: | -40°C ~ 50°C |
Contact Material: | Silver Nickel (AgNi) |
Coil Power: | -- |
Description
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Power Relays, Over 2 Amps: 2903311 Application Field and Working Principle
2903311 power relays are one of various high-quality products from the TE Connectivity brand. This product type is designed to provide a reliable switch interface to control small and large current loads above two amps. It is highly popular in the industrial and commercial market due to its versatility, flexibility and cost-efficiency. In the following section, we will discuss the 2903311 application field and working principle.Application field
The 2903311 power relay provides an efficient switching solution for both switch activation and load isolation applications. They are widely used to control large electric motors, heating and cooling systems, and even DC power supplies. They are also used for applications that need to switch power with high speed and precision. Moreover, they can be used in industrial equipment, mobile media devices, HVAC systems, telecommunication systems, automation and security equipment, and any other application that requires a high-power switching solution.Working Principle
The 2903311 power relay is a four-pole device that uses a dry reed contact to achieve switching. The internal design consists of two sets of contactors that close when the coil current is applied. When the current is removed, the contacts will open and the relay will reset.The reed contact is made from a stainless steel, non-magnetic alloy material, which is ideal for current up to 10A. It also features a very low contact resistance and a wide range of voltages to ensure efficient operation. The structure of the 2903311 includes a metal case, a spring-loaded plunger, a switch contact, and a coiled winding. The plunger is designed to remain in the open position until the coil current is applied, which will then close the contact. This ensures a safe and reliable connection. The switch contact is made from a copper alloy and is capable of switching both AC and DC current up to 10A. Additionally, its fast switching speed ensures rapid reaction time and therefore an accurate and reliable power control. The coiled winding is designed to maintain a constant current, preventing the contact from overheating due to excessive current passing through it. The coiled winding also ensures that the contact will open and reset when the current is removed.Conclusion
2903311 power relay is an advanced switching solution for electrical loads above two amps. It offers reliable performance and cost-efficiency, thus making it a viable option for many industrial and commercial applications. Its low contact resistance, wide voltage range, fast switching speed, and reliable design make it a favorite choice for industrial and commercial uses. It is one of the most reliable and cost-efficient products from the TE Connectivity brand.The specific data is subject to PDF, and the above content is for reference
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