1. General Purpose Relays Items
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  3. BW 7902

7902 BW CONTROLS Level Control Relay

7902 BW CONTROLS Level Control Relay
Product Information
BrandBW CONTROLS
Manufacturer Part Number7902
Part TypeCONTROL

Review BW CONTROLS Liquid Level Control Relay Type 110/120vac 50/60hz Series

The BW 7902 Level Control Relay is a versatile and reliable electrical component designed for use in various automation applications where level control in liquids or bulk solids is necessary. This relay operates on a 110/120V AC power supply and is suitable for both 50 and 60Hz frequencies.

The BW 7902 is a solid-state relay, which means it uses no moving parts, ensuring long-lasting performance and minimal wear. It is designed for use with float switches or other level sensing devices, making it an excellent choice for applications in industries such as water treatment, chemical processing, and food and beverage production.

The relay features a normally open (NO) contact configuration, which means it will only close when the float switch or level sensor activates. The contacts are rated for a maximum current of 10A and can handle voltage surges up to 30V and 100W. The contacts are also gold-plated to ensure superior conductivity and durability.

The BW 7902 Level Control Relay is built to meet the highest standards of quality and reliability. It has a robust enclosure that is resistant to dust and water, making it suitable for use in harsh environments. The relay also features over-temperature protection, which prevents damage to the components in the event of overheating.

The relay is easy to install and operate. It comes with mounting screws and a terminal block for quick and secure wiring. The terminal block is labeled for easy identification of the various terminals. The relay also features a status indicator light, which illuminates when the relay is active.

In summary, the BW 7902 Level Control Relay is a high-performance, solid-state relay designed for use in level control applications. It operates on a 110/120V AC power supply and is suitable for both 50 and 60Hz frequencies. It features a normally open contact configuration, a robust enclosure, and over-temperature protection. The relay is easy to install and operate, making it an excellent choice for a wide range of applications in various industries.

The BW 7902 Level Control Relay is a 110/120VAC, 50/60Hz, normally open (NO) relay designed for level control applications. Here are some potential pros and cons that may help you in deciding whether to purchase this relay:

Pros:

1. Versatile: This relay can be used in various level control applications across different industries.

2. Universal Voltage and Frequency: It can operate on both 50Hz and 60Hz frequency, making it suitable for use in various regions.

3. Normally Open Contact: The NO contact type ensures that the contact is open when the coil is not energized, which is a common requirement in level control applications.

4. Robust Design: The relay is designed to withstand harsh industrial environments and can operate reliably under heavy loads.

5. Easy to Install: It comes with clear markings and a simple wiring diagram, making it easy to install and set up.

Cons:

1. Limited Current Capacity: The BW 7902 relay has a maximum contact current rating of 3A, which may not be sufficient for high-current level control applications.

2. No Built-in Overload Protection: This relay does not have built-in overload protection, which may require additional protective measures in some applications.

3. Manual Reset: In case of a fault, the relay needs to be manually reset, which can be time-consuming.

4. Limited Configuration Options: This relay does not offer advanced configuration options, which may limit its applicability in more complex level control applications.

Conclusion:

The BW 7902 Level Control Relay is a reliable and versatile option for applications where a simple, robust level control solution is required. Its universal voltage and frequency compatibility, easy installation, and clear markings make it an attractive choice for many users. However, its limited current capacity, lack of built-in overload protection, and manual reset feature may be drawbacks for some applications. Ultimately, the decision to purchase this relay will depend on the specific requirements of your level control application.

Recommendation:

If you are looking for a simple, reliable, and versatile level control solution that can operate in various industrial environments, the BW 7902 Level Control Relay is a good option to consider. However, if you require a more advanced level control solution with higher current capacity, built-in overload protection, or advanced configuration options, you may need to explore other options. It's always a good idea to carefully evaluate your specific application requirements before making a purchase decision.

Details:

These services include: ups 3 day select. These services include item is sold as pictured. Ups 2 day air am.

The cost of combined shipping depends on weight, location buyer and size box. Ups next day am. Prices for these options may differ from standard ground shipping. Bw controls liquid level control relay type r, 110/120vac, 50/60hz, series 7902, relay type secondary voltage 220vac, country/region of manufacture: USA.

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  • brand: Bw Controls
  • mpn: 7902
  • part type: Control

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  • started: december 24, 2025
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