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Specification & Description
The Phoenix Contact EMD-FL-V-300 is a sophisticated phase monitoring relay designed to ensure the safety and reliability of single-phase electrical systems. This monitoring relay is adept at overseeing 1-phase voltages ranging from 0 to 300 V AC/DC, making it a versatile solution for a broad array of industrial applications.
Crafted for DIN rail mounting, the device measures 113 x 22.5 x 90 mm, allowing for efficient use of space within electrical cabinets. The EMD-FL-V-300 features a wide input voltage range and is equipped with two floating changeover contacts, providing flexibility in signal routing and system integration.
Key functionalities of this monitoring relay include the detection of overvoltage, undervoltage, and window faults, as well as an error memory feature that aids in system diagnostics. The unit's adjustable settings via front-mounted potentiometers allow for precise control over response and startup delays, ensuring that the relay operates optimally within the set parameters.
The EMD-FL-V-300 is engineered to perform reliably in challenging environments, with an operational temperature range of -25 °C to 55 °C and storage temperatures from -25 °C to 70 °C. The device's robust construction is reflected in its IP40 and IP20 protection ratings for the housing and connection terminal blocks, respectively.
This monitoring relay is not only a testament to Phoenix Contact's commitment to quality and innovation but also an essential component for maintaining the integrity of electrical systems in industrial settings. Its technical prowess and adaptability make it a valuable asset for process control, machinery, and power engineering applications where consistent monitoring is crucial for error-free operation.
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Frequently Asked Questions
What is the purpose of this monitoring relay?
The monitoring relay is designed for monitoring single-phase voltages ranging from 0 to 300 V AC/DC. It is used to detect overvoltage, undervoltage, or voltage within a specified window, and it features an error memory. This relay helps in ensuring system safety and reliability by continuously monitoring electrical parameters.
Can this relay be used in any mounting position?
Yes, the relay can be mounted in any position. It is designed for easy installation on a standard DIN rail in accordance with EN 60715.
What type of contacts does this relay have?
The relay is equipped with two floating changeover contacts, also known as PDT contacts, which can be used to signal different states of the monitored voltage.
What is the supply voltage range for this relay?
The relay has a wide supply voltage range, accepting 24 V AC to 240 V AC with a tolerance of -15% to +10%, and 24 V DC to 240 V DC with a tolerance of -20% to +25%.
How is the ambient operating temperature range defined for this relay?
The ambient operating temperature range for the relay is from -25 °C to 55 °C. However, for UL 508 compliance, the temperature range is -25 °C to 40 °C.
What is the degree of protection provided by the housing of this relay?
The housing of the relay provides an IP40 degree of protection, while the connection terminal blocks are rated at IP20.
How can the settings for the monitoring functions be adjusted?
Settings for the monitoring functions such as undervoltage, overvoltage, and response delays can be adjusted via potentiometers located on the front of the relay.
What is the mechanical service life of this relay?
The mechanical service life of the relay is approximately 2 x 10^7 cycles, indicating its durability and longevity in operation.
Does this relay have any certifications?
Yes, the relay is CE-compliant and also listed by UL and cUL, indicating that it meets the necessary safety and performance standards for use in various regions.
What is the maximum switching voltage for the contacts?
The maximum switching voltage for the contacts is 250 V AC in accordance with IEC 60664-1.
