9551A AROMAT General Relay

Review AROMAT General Purpose Relay

The Aromat 9551A DS2E-M-DC5V-C is a versatile and reliable general-purpose relay designed for various automation and control applications. This Solid State Relay (SSR) offering by Aromat boasts several impressive features that set it apart from traditional electromechanical relays.

The Aromat 9551A DS2E-M-DC5V-C is a 5-volt, 4-channel, Form C, AC/DC, non-latching relay. It operates on a DC voltage range between 3.6 volts and 5.5 volts, making it ideal for use in modern control systems and automation projects where lower voltage inputs are common.

This General Relay features a highly efficient solid-state design with no moving parts. This results in a much longer operating life, improved reliability, and faster switching responses compared to electromechanical relays. The SSR design also provides added benefits such as immunity to shock and vibration, thus making it suitable for use in harsh environments.

Each channel of the 9551A DS2E-M-DC5V-C supports a rated current of 5 amperes at 240 volts AC or 30 volts DC, and can handle a maximum power consumption of 8 watts per channel. Its maximum switching capacity is a significant 10,000 operations, delivering exceptional durability and longevity even in high-use applications.

The Aromat 9551A DS2E-M-DC5V-C SSR comes with a built-in opto-isolator, which electrically separates the relay control circuit from the controlled circuit, ensuring reliable operation and minimizing the risk of electrical interference. This is particularly important in applications where isolation of control and load circuits is essential for noise suppression and safety reasons.

The compact size of this General Relay makes it an excellent fit for most control system designs. With dimensions of 38.2 mm (L) x 52.5 mm (W) x 31.8 mm (H), it offers a space-saving footprint suitable for applications where space is limited.

The Aromat 9551A DS2E-M-DC5V-C is exceptionally easy to integrate into custom automation projects due to its extensive compatibility with various control systems and automation software. It offers a figure-8 NO/NC form factor, ensuring easy installation and wiring for common ON/OFF applications. The relay's fast switching response time of 200 microseconds further enhances system efficiency and performance.

Additionally, this General Relay comes with a thermal shutdown protection feature that automatically shuts down the relay when the temperature reaches an unsafe level, thus preventing potential overheating damage and ensuring safe operation. Operating temperature range of -20 C to 70 C ensures that the relay can perform effectively in a wide range of environments.

Built with premium quality components, the Aromat 9551A DS2E-M-DC5V-C General Relay delivers superior performance and long-term reliability, making it a smart choice for automation and control projects that demand high-quality, solid-state solutions.

Pros and Cons of Buying Aromat 9551A DS2E-M-DC5V-C General Relay

The Aromat 9551A DS2E-M-DC5V-C General Relay is a versatile electronic component used for various applications, particularly in industrial automation and control systems. This relay offers several advantages while also presenting some potential drawbacks. This analysis aims to provide a clear understanding of both the pros and cons of investing in this particular relay.

1. Compact Design: The compact size of the Aromat 9551A DS2E-M-DC5V-C General Relay offers convenience in installation and space-saving benefits in applications such as automation projects with limited space.

2. DC5V Coil Voltage: This relay's DC5V coil voltage is particularly suitable for low-voltage applications, providing energy efficiency and potentially reducing electricity costs.

3. Isolating NO and NC contacts: The normally open (NO) and normally closed (NC) contacts of the Aromat 9551A relay are electrically isolated, which is a critical feature for reliable operation in high-voltage circuits.

4. Versatility: This relay can be used in various applications, including simple on-off switching, form C (contactor), and boost functions.

5. Solder Terminal Connections: The solder terminal connections enable a more secure connection and better heat dissipation when compared to screw terminal connections.

1. Limited Current Handling: The Aromat 9551A DS2E-M-DC5V-C General Relay can only handle a relatively low contact current and coil current, making it unsuitable for heavy-duty applications where larger currents are required.

2. Limited Operating Temperature Range: The operating temperature range of this relay is limited, making it unsuitable for applications in extreme temperatures, such as polar regions or high-temperature industrial environments.

3. Lack of Specialized Features: Some applications may require specialized features such as under-voltage protection or over-temperature protection, which are not present in the Aromat 9551A DS2E-M-DC5V-C General Relay.

4. Dependence on External Power Supply: This relay operates without a built-in power supply, meaning a separate DC power source is necessary for correct functioning.

5. Integrated with a microcontroller or PLC: If your project involves an integrated microcontroller or programmable logic controller, you may require a relays with other specifications or interfaces.

The Aromat 9551A DS2E-M-DC5V-C General Relay is an excellent choice for low-voltage automation projects with limited space requirements and no demanding temperature or current handling conditions. Its compact size, DC coil voltage, isolated contacts, and versatility offer many advantages. However, its relatively low contact and coil current handling limitations, as well as the lack of specialized features and the requirement for an external power supply, may make it unsuitable for more demanding applications.

If you're working on a low-voltage automation project where a compact and dependable general-purpose relay is needed, the Aromat 9551A DS2E-M-DC5V-C could be an excellent choice. However, if your application involves heavy-duty currents, extreme temperatures, or specialized features, it is recommended to consider other relay options that cater to those requirements.

Details:

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• mpn: 9551a
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• started: february 2, 2025
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