The Rosemounte 644RAI5 Lightning Protection Terminal is a cutting - edge and highly reliable device specifically engineered to safeguard electrical and electronic systems from the detrimental effects of lightning strikes and other transient overvoltages. In today's complex industrial and technological landscapes, where sensitive electrical equipment and intricate electronic circuits are prevalent, the protection provided by the 644RAI5 is not only essential but also crucial for ensuring uninterrupted operation, preventing costly damage, and enhancing overall safety.
At its core, the 644RAI5 Lightning Protection Terminal is designed with a focus on efficient and rapid overvoltage suppression. When a lightning strike or other transient overvoltage event occurs, the terminal acts as a critical link in the protection chain. It quickly detects the abnormal voltage surge and diverts the excessive electrical energy safely to the ground, thereby protecting the connected equipment from potential damage caused by high - voltage spikes. This functionality is achieved through a combination of advanced internal components and sophisticated circuit designs.
The 644RAI5 features high - performance varistors or other voltage - dependent resistors as the primary components for overvoltage protection. These varistors have unique electrical characteristics, with a resistance that changes significantly in response to variations in voltage. Under normal operating voltage conditions, the varistors exhibit a high resistance, effectively isolating the protected equipment from the ground. However, when a lightning - induced or other transient overvoltage exceeds a predefined threshold, the resistance of the varistors drops rapidly, creating a low - resistance path for the excessive current to flow to the ground. This rapid change in resistance enables the 644RAI5 to react within nanoseconds, ensuring that the overvoltage is suppressed before it can cause harm to the connected devices.
Features
In addition to the varistors, the Rosemounte 644RAI5 Lightning Protection Terminal is equipped with other essential components such as fuses and surge - current limiting devices. The fuses play a vital role in protecting the varistors and the overall terminal from excessive current flows that could occur during severe overvoltage events. In the event of a massive surge current, the fuse will blow, disconnecting the varistors from the circuit and preventing them from being damaged by the excessive energy. The surge - current limiting devices, on the other hand, help to control the magnitude of the current flowing through the varistors, ensuring that they operate within their safe parameters and can effectively suppress the overvoltage without being overwhelmed.
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Product Overview
The physical construction of the 644RAI5 is also a key aspect of its reliability and performance. It is built with high - quality materials that are resistant to environmental factors such as moisture, dust, and corrosion. The terminal's enclosure is typically made of rugged and durable materials, such as flame - retardant plastics or metal alloys, which provide excellent protection for the internal components. This robust construction not only ensures the longevity of the terminal but also allows it to operate reliably in harsh industrial environments, including those with high humidity, extreme temperatures, and exposure to chemicals.
Installation of the Rosemounte 644RAI5 Lightning Protection Terminal is designed to be straightforward and user - friendly. It is compatible with a wide range of electrical and electronic systems, and can be easily integrated into existing wiring setups. The terminal is typically equipped with standard electrical connectors, such as screw - type terminals or quick - connect terminals, which facilitate secure and reliable electrical connections. Clear installation instructions are provided, guiding technicians through the process of connecting the terminal to the power supply, the protected equipment, and the grounding system. Additionally, the 644RAI5 is designed to have a compact size, allowing it to be installed in tight spaces without causing any interference with other components or equipment.In the telecommunications sector, the 644RAI5 plays a crucial role in protecting communication equipment, such as routers, switches, and base stations. These devices are highly sensitive to electrical surges and transient overvoltages, and any damage caused by lightning strikes can disrupt communication services, leading to significant financial losses and inconvenience to users. The 644RAI5 provides effective protection, ensuring the continuous operation of telecommunications networks and maintaining the quality of communication services.
| Place of Origin |
Beijing, China |
Material |
316L |
| Warranty |
1 Year |
Customized Support |
OEM |
| Brand Name |
Rosemounte |
Material |
Aluminium |
| Model Number |
644RAI5 |
Mounting Bracket |
316 Stainless Steel |
| Supply Voltage Effect |
0.005% span per volt |
Output Signal |
4~20mA |
| Net Weight |
8.3 pounds (3.8 Kg) With Aluminum Housing |
Operating Temperature |
-40~85ºC |
| Selling Units |
Single item |
Single Package Size |
20X10X10 cm |
| Single Gross Weight |
0.600 kg |
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Carton Boxes
KeRui (Weifang) Automation Equipment Co., Ltd.Specializes in industrial automation instrument development, production and sales, technical services, and supporting equipment supply to specialized companies. The main products are flow meters, level meters, temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
1.Q: How long is the delivery?
-- Mostly within 10days
2.Q:Can I get a sample?
-- Sure, contact our sales please
3.Q:What is your MOQ?
-- 1pcs
4.Q: How about warranty time?
-- 12month
5.Q: How can I visit your factory?
-- Fly to Qingdao air port, it's our pleasure to pick you up.
6.Q:How do you control your quality ?
-- We have EPR system .we control from parts, process, testing, packing ,retesting.
Every Sensor will be tested two times before reach you, after that sport test for the third time. Make sure about the quantity.
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