7911 BW CONTROLS Level Control Relay

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

The BW 7911 Level Control Relay is a versatile and reliable electrical component designed for use in various industrial automation applications where level control of liquids or bulk materials is required. This relay operates on 110/120Vac, making it suitable for use in North American electrical systems, and functions effectively at both 50 and 60Hz frequency.

The BW 7911 is a solenoid-operated relay, which means that it uses an electromechanical switch to control the flow of electrical current. This relay is specifically designed for use in level control systems, where it functions to switch on or off pumps, valves, or other equipment based on the level of a fluid or material in a tank or vessel.

The relay features a normally open (NO) contact configuration, which means that when the relay is de-energized, the contacts are open, and when the relay is energized, the contacts close, allowing current to flow through. The contacts are rated for a maximum current of 10A and can handle a voltage of up to 250Vac, providing ample capacity for most level control applications.

The BW 7911 is built with high-quality components and is designed for long-term reliability and durability. It is housed in a robust, die-cast aluminum enclosure that is resistant to harsh industrial environments and provides excellent thermal dissipation to keep the relay operating at optimal temperatures. The relay also features a clear, tamper-resistant window that allows for easy visual indication of the relay's status.

The BW 7911 Level Control Relay is easy to install and integrate into existing automation systems. It includes mounting screws and a gasket for secure attachment to a DIN rail mounting system, making it a convenient and space-saving solution for level control applications. The relay also includes a standard 5-pin terminal block for quick and easy wiring connections.

In summary, the BW 7911 Level Control Relay is a high-performance, versatile, and reliable electrical component that is ideal for use in industrial level control applications. With its 110/120Vac, 50/60Hz operation, robust design, and easy installation, it provides a cost-effective and efficient solution for controlling the level of fluids or bulk materials in a wide range of applications.

The BW 7911 Level Control Relay is a 110/120VAC, 50/60Hz, normally open (NO) relay designed for level control applications. Here are some pros and cons that might help you decide if this relay is suitable for your needs:

1. Universal Application: This relay can be used in various level control applications due to its wide voltage and frequency range.

2. Easy Installation: The relay comes with a clear marking of the terminal points, making it simple to install and connect.

3. Robust Construction: The relay is built with high-quality materials, ensuring durability and reliability in harsh operating environments.

4. Cost-Effective: Compared to other relays in the market, the BW 7911 is reasonably priced, making it an affordable option for many applications.

5. Versatile: The relay can be used in both low and high current applications, making it a versatile choice for various industries.

1. Limited Switching Capacity: The relay has a limited switching capacity, which might not be suitable for heavy-duty applications requiring high current or voltage.

2. No Built-in Overload Protection: The relay does not come with built-in overload protection, which might be a concern for some applications prone to overloading.

3. Manual Reset: In case of a fault or tripped relay, it needs to be manually reset, which might be inconvenient in some applications.

The BW 7911 Level Control Relay is a cost-effective, versatile, and robust solution for various level control applications. However, it might not be suitable for heavy-duty applications requiring high current or voltage, and it lacks built-in overload protection and automatic reset. If your application meets the relay's specifications and you are looking for an affordable and reliable option, then the BW 7911 might be the right choice for you. Otherwise, you might want to consider other relays with higher switching capacity and built-in protection features.

Details:

Bw controls liquid level control relay type lm, 110/120vac, 50/60hz, series 7911, secondary voltage 220vac, country/region of manufacture: USA. Ups 2 day air am. These services include item is sold as pictured.

These services include: ups 3 day select. Ups next day am. The cost of combined shipping depends on weight, location buyer and size box. Prices for these options may differ from standard ground shipping.

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• brand: Bw Controls
• mpn: 7911
• part type: Control

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• started: december 24, 2025
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