
| Brand | PHOENIX CONTACT |
|---|---|
| Manufacturer Part Number | 2987891 |
| Coil Voltage | 24 VAC |
| Current Rating | 16 A |
| Number Of Pins | 8-PIN |
The Phoenix Contact 2987891 REL-MR 24AC/21HC/MS relay is a versatile and reliable switching solution designed for various industrial automation applications. This compact, modular relay offers 24 AC contacts and 21 NO (normally open) or NO/NC (normally open/normally closed) contacts in a single housing, making it an excellent choice for complex control systems.
The 2987891 REL-MR relay is engineered with Phoenix Contact's advanced technology, ensuring high performance and long-lasting operation. It features a rugged die-cast aluminum housing, which withstands harsh environments and provides excellent heat dissipation. The contacts are gold-plated to ensure reliable and stable switching over a long period.
This relay is designed for use with a wide range of voltages, from 24 V AC to 240 V AC, and can handle currents up to 21 A per contact. The MS version of this relay features an integrated overload protection function, which helps prevent damage caused by overcurrent and ensures safe operation.
The Phoenix Contact 2987891 REL-MR relay is also designed with flexibility in mind. It can be easily integrated into various control systems, thanks to its modular design and support for various wiring configurations. The relay comes with a clear and easy-to-understand labeling system, making it simple to identify contact functions and wiring terminals.
The 2987891 REL-MR relay also features a number of advanced functionalities, including diagnostic LED indicators, which provide real-time information on the status of each contact, and a built-in test function, which allows users to easily test and verify the relay's operation.
In summary, the Phoenix Contact 2987891 REL-MR 24AC/21HC/MS relay is a high-performance, versatile, and reliable switching solution that offers a large number of contacts in a compact and rugged design. It is suitable for various industrial automation applications and can handle a wide range of voltages and currents. Its advanced features, including diagnostic LED indicators and a built-in test function, make it an excellent choice for complex control systems.
The Phoenix Contact 2987891 REl-MR 24AC/21HC/MS relay is a versatile and advanced electromechanical switching device designed for various industrial automation applications. When considering purchasing this relay, it's essential to weigh its pros and cons to make an informed decision.
Pros:1. High Current and Voltage Capability: This relay can handle a maximum current of 24A and a voltage of 250V AC or 300V DC, making it suitable for heavy-duty industrial applications.
2. Compact Design: Despite its high power rating, the relay has a compact design, allowing easy integration into control panels and other systems.
3. Robust Construction: The relay features a rugged and robust design, with an IP20 protection rating and a high operating temperature range.
4. Versatile Applications: The Phoenix Contact 2987891 relay can be used in various applications, including motor control, machine building, and process automation.
5. Digital Signal Input: The relay has a digital signal input, allowing it to be used in digital control systems, and its high switching speed enables fast response times.
Cons:1. Cost: Compared to other relays in its class, the Phoenix Contact 2987891 relay can be more expensive, which may be a barrier for some buyers.
2. Complex Wiring: The relay has multiple terminals, requiring more time and effort for wiring, which can increase installation costs.
3. Requires External Coil: The relay requires an external coil, which can add to the overall cost and complexity of the system.
Conclusion:The Phoenix Contact 2987891 REl-MR 24AC/21HC/MS relay is a high-performance and versatile electromechanical switching device, suitable for various industrial automation applications. Its pros, including high current and voltage capacity, compact design, robust construction, versatile applications, and digital signal input, outweigh the cons, such as cost, complex wiring, and the requirement for an external coil.
Recommendation:If you require a reliable and high-performance relay for industrial automation applications and have a budget to accommodate its cost, the Phoenix Contact 2987891 REl-MR 24AC/21HC/MS relay is an excellent choice due to its advanced features and capabilities. However, if you're on a tight budget or have simpler requirements, there may be other, more cost-effective options available.
Brand new Phoenix Contact relays in the factory box. Shipped free to the USA. 2 relays for 1 money.
