MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 45 A, 250 V AC, 250 V DC
The MERSEN TR-R Series TR45R is a Class RK5, time-delay cylindrical fuse rated for 45 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical circuits…
SKU 3G-OTH-27294
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The MERSEN TR-R Series TR45R is a Class RK5, time-delay cylindrical fuse rated for 45 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical circuits, supporting reliable operation across 14 departments—and we supply far more than is listed. Our specialist depth in controls, backed by authorized distribution for brands like Schneider and ABB, ensures you get the right fuse for your application.
Frequently Asked Questions
What is the MERSEN TR45R fuse used for?
The MERSEN TR45R is a Class RK5 time-delay cylindrical fuse rated 45 A, 250 V AC/DC. It protects motor circuits, transformers, and lighting systems from overloads and short circuits. Its time-delay characteristic handles inrush currents without nuisance opening, making it suitable for industrial equipment and control panels.
What are the specifications of the MERSEN TR45R fuse?
The MERSEN TR45R is a Class RK5, TR-R series, time-delay, non-indicating fuse. It has a current rating of 45 A, voltage rating of 250 V AC and 250 V DC. The manufacturer part number is TR45R. It is designed for overcurrent protection in industrial circuits requiring time-delay characteristics.
Where to buy the MERSEN TR45R fuse worldwide?
3G Electric supplies the MERSEN TR45R fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this fuse to support your maintenance or project needs.
How to select the correct MERSEN TR45R fuse for an application?
To select the MERSEN TR45R, verify the circuit voltage does not exceed 250 V AC or DC and the continuous load current is below 45 A. Ensure the fuse class (RK5) and time-delay feature match your equipment's inrush requirements. Consult the manufacturer's data sheet for coordination with upstream protection devices.
Used in
Common applications for MERSENMERSEN Products
3G Electric supplies MERSEN time-delay cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
