Mersen
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Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse, 250VAC/250VDC, 200kA AC/20kA DC, 300 Ampere, 2-1/16 Diameter x 8-5/8 Length
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Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse, 250VAC/250VDC, 200kA AC/20kA DC, 300 Ampere, 2-1/16 Diameter x 8-5/8 Length
The Tri-Onic TR current-limiting time-delay fuses are engineered for overcurrent protection of motors and transformers.
Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse, 250VAC/250VDC, 200kA AC/20kA DC, 300 Ampere, 2-1/16" Diameter x 8-5/8" Length
Item #: 99988498

Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse, 250VAC/250VDC, 200kA AC/20kA DC, 300 Ampere, 2-1/16" Diameter x 8-5/8" Length

Item #: 99988498

MMK 262943

Price Details

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*All items will import from US

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The Tri-Onic TR current-limiting time-delay fuses are engineered for overcurrent protection of motors and transformers.
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What Stands Out

High Interrupt Rating
Handles up to 200kA AC and 20kA DC, ensuring robust protection against overcurrents, minimizing system damage and downtime for critical applications.
Time-Delay Functionality
Designed to withstand temporary inrush currents without tripping, allowing machinery and motors to start without interruption while protecting from overloads.
Versatile Compatibility
Compatible with both AC and DC applications, making it suitable for various industrial settings, enhancing operational flexibility and safety across diverse electrical systems.

Product Details

Shop Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse, 250VAC/250VDC, 200kA AC/20kA DC, 300 Ampere, 2-1/16 Diameter x 8-5/8 Length online at a best price in Myanmar. B0026GZY8O
Item Weight2.5 lbs (1.13 kg)

Who Should Buy?

Suitable For
  • Industrial Applications

    Ideal for machinery and heavy equipment that require protection against overload and short circuits in harsh environments.

  • Electrical Contractors

    Perfect for electricians needing reliable fuse solutions for commercial and industrial installations, ensuring compliance and safety.

  • Power Supply Systems

    Recommended for use in power distribution systems where time-delay fuses can improve performance against inrush currents.

Not Suitable For
  • Residential Use

    Not suitable for home electrical systems that require standard circuit breakers and lower-rated fuses for safety.

  • Low Voltage Systems

    Inappropriate for applications below its rated voltage thresholds, as it can't effectively protect low voltage equipment.

  • Non-Industrial Settings

    May be excessive for lighter applications that do not need the robust specification and capacity of this fuse.

Product Description

Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse, 250VAC/250VDC, 200kA AC/20kA DC, 300 Ampere, 2-1/16" Diameter x 8-5/8" Length

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the function of the Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse?

    Answer: The Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse acts as a safety device in electrical circuits, protecting electrical components from overcurrents. This fuse temporarily allows a higher current during startup or transient conditions before blowing, which is vital for devices such as motors or transformers. In scenarios where high inrush currents are common, like in HVAC systems or industrial machinery, this fuse helps prevent unnecessary disruptions.
  • Question: Why should I choose a time-delay fuse over a standard fuse?

    Answer: Choosing a time-delay fuse like the Mersen TR-R is crucial when dealing with equipment that regularly experiences inrush currents. Unlike standard fuses, which may blow immediately during these spikes, time-delay fuses permit short bursts of high current, providing a balance between protection and operational continuity. This feature is especially beneficial in applications with motors or other inductive loads, where a standard fuse might blow at startup.
  • Question: What are the applications of the Mersen TR-R fuse?

    Answer: The Mersen TR-R Tri-Onic fuse is ideal for a variety of applications, including industrial machinery, HVAC systems, and commercial equipment. It's specifically designed for circuits requiring reliable protection against overload and short circuit conditions. By using this fuse in industrial settings or within complex electrical panels, users can ensure circuit integrity and longevity of valuable equipment.
  • Question: What is the significance of the current rating (300 Ampere) of this fuse?

    Answer: The 300 Ampere rating of the Mersen TR-R Tri-Onic fuse indicates its capacity to handle electrical current without blowing under standard operating conditions. This current capacity is essential for protecting high-load electrical systems, such as those found in manufacturing equipment or large HVAC systems. It ensures that the fuse can absorb potential overcurrent situations without failing prematurely, thereby safeguarding connected devices.
  • Question: Can the Mersen TR-R fuse be used in DC applications?

    Answer: Yes, the Mersen TR-R Tri-Onic fuse is designed for both AC (250VAC) and DC (250VDC) applications, making it versatile for different electrical systems. Its capacity to perform in both scenarios is crucial for users who operate mixed electrical environments, such as renewable energy systems or DC-powered machinery. This adaptability allows for streamlined inventory and simplified installation across various setups.
  • Question: What does the '200kA AC/20kA DC' rating mean?

    Answer: The '200kA AC' and '20kA DC' ratings signify the fuse's ability to withstand fault currents for a brief period before failing. These ratings denote the maximum short-circuit current levels the fuse can interrupt without risking failure. This capability is critical for ensuring safety in high-power applications, helping to protect both the fuse itself and the downstream equipment from catastrophic damage during electrical faults.
  • Question: What dimensions does the Mersen TR-R fuse have?

    Answer: The Mersen TR-R Tri-Onic fuse has a diameter of 2-1/16 inches and a length of 8-5/8 inches. These dimensions are designed for compatibility with standard fuse holders, allowing for straightforward installation in various electrical panels. Proper sizing ensures optimal integration into existing setups, reducing the risk of connection issues or compatibility problems with your equipment.
  • Question: How does a Class RK5 fuse differ from other fuse classes?

    Answer: A Class RK5 fuse, such as the Mersen TR-R, is designed with specific characteristics that cater to various industrial applications. It provides time-delay features to handle overloads and interrupt currents efficiently, separating it from Class K and other classes which may react differently to overloads. This makes RK5 fuses particularly suitable for protecting inductive loads, where initial inrush is considerable.
  • Question: What should I consider when replacing a fuse with the Mersen TR-R?

    Answer: When replacing a fuse with the Mersen TR-R Tri-Onic, consider the current rating, voltage requirements, and application type of your circuit. It's essential to ensure the new fuse matches or exceeds the specifications of the original to maintain effective protection. Furthermore, confirm that the fuse holder can accommodate the dimensions of the Mersen fuse to avoid installation issues.
  • Question: Where can I buy the Mersen TR-R Tri-Onic Fuse in Myanmar?

    Answer: You can conveniently purchase the Mersen TR-R Tri-Onic Time-Delay/Class RK5 Fuse through Ubuy, a reliable online marketplace that offers a wide selection of electrical components. Ubuy ensures that you can access this high-quality fuse with ease, allowing for straightforward shopping while providing information on additional products and options to meet your needs.

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MMK 262943

Order now and get it around Monday, July 27

QTY:

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Features & Benefits

  • Industry's most popular fuse for motor circuit protection.
  • Safely handles inrush currents associated with modern motors.
  • Features advanced material technology for enhanced performance.
  • Designed for durability in harsh industrial settings.
  • Approved by UL and CSA for high safety standards.
  • Easy to identify and install with clear labeling and traceable design.

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