MERSEN TR3-1/2R Time-Delay Cylindrical Fuse
The MERSEN TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR3-1/2R) is a 3.5 A, non-indicating fuse rated for 250 V AC and 160 V DC. As a time-delay fuse, it accommodates temporary inrush currents while…
SKU 3G-OTH-27041
Also listed as: TR312R · TR3 1 2R · TR3-1-2R
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The MERSEN TR-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN TR3-1/2R) is a 3.5 A, non-indicating fuse rated for 250 V AC and 160 V DC. As a time-delay fuse, it accommodates temporary inrush currents while providing overcurrent protection across 14 industrial departments — and we supply far more than is listed. Our specialist depth in combustion, pumps and controls (as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke) ensures we interpret your demand and deliver the right solution.
Frequently Asked Questions
What is a MERSEN TR-R time-delay fuse used for?
The MERSEN TR-R series time-delay fuse (3.5 A, 250 V AC / 160 V DC) protects motor circuits and equipment with high inrush currents. Its non-indicating design suits industrial control panels, HVAC systems, and pump drives where reliable overload protection is needed without visual indication.
What are the specifications of the MERSEN TR3-1/2R fuse?
The MERSEN TR3-1/2R is a Class RK5, TR-R series, time-delay cylindrical fuse rated 3.5 A, 250 V AC and 160 V DC. It is non-indicating and designed for branch-circuit protection. The manufacturer part number is TR3-1/2R, and it is part of the TR-R series.
Where to buy MERSEN TR3-1/2R fuses worldwide?
3G Electric supplies MERSEN TR3-1/2R fuses worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote on this Class RK5, time-delay fuse for your motor or control circuit application.
How to select the right MERSEN TR-R fuse for a motor circuit?
Select a MERSEN TR-R time-delay fuse by matching the voltage (250 V AC or 160 V DC) and current rating (e.g., 3.5 A) to the motor full-load amps. The time-delay characteristic handles startup inrush without nuisance opening. Always verify the interrupting rating meets system fault current.
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.
