MERSEN Fuse: Class RK5, TR-R Series, Time-Delay, 400 A, 250 V AC, 250 V DC
The MERSEN TR-R Series TR400R is a Class RK5 time-delay blade fuse rated 400 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting…
SKU 3G-OTH-28404
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The MERSEN TR-R Series TR400R is a Class RK5 time-delay blade fuse rated 400 A at 250 V AC and 250 V DC. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting applications across 14 departments including electrical and instrumentation. As an authorised distributor with specialist depth in controls, 3G Electric interprets demand and delivers genuine MERSEN fuses with technical support.
Frequently Asked Questions
What is the MERSEN TR400R fuse used for?
The MERSEN TR400R is a Class RK5 time-delay blade fuse rated 400 A at 250 V AC/DC. It protects industrial circuits with high inrush loads, such as motors, transformers, and lighting systems, by allowing temporary current surges without nuisance opening.
What are the specifications of the MERSEN TR400R fuse?
The MERSEN TR400R is a TR-R Series, time-delay, non-indicating fuse rated 400 A, 250 V AC and 250 V DC. It is a Class RK5 blade fuse with the manufacturer part number TR400R. These specs ensure reliable overcurrent protection in industrial power distribution.
Where to buy MERSEN TR400R fuses worldwide?
3G Electric supplies the MERSEN TR400R fuse worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this TR-R Series time-delay fuse.
How to select the correct MERSEN TR400R fuse for an application?
Select the MERSEN TR400R by matching its 400 A rating and 250 V AC/DC voltage to your circuit's full-load current and system voltage. The time-delay feature suits motor or transformer starting. Always verify the fuse's Class RK5 rejection clip compatibility and consult a qualified engineer.
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3G Electric supplies MERSEN time-delay blade fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
