Description
Product Overview
The Heschen Cylindrical Ceramic Fuse Link RT18-32 is engineered to deliver consistent and dependable over‑current protection for a wide range of electrical applications. Constructed from high‑temperature resistant ceramic material, the fuse link offers excellent insulation properties and a robust mechanical structure that can withstand harsh operating environments. Measuring 10×38 mm (0.4″×1.5″) and rated for 3 A at 500 V, this component meets CE standards, ensuring compliance with European safety regulations. The pack of 20 units provides ample inventory for maintenance, replacement, or bulk installation projects, reducing downtime and simplifying procurement. Each fuse link is designed to fit standard fuse holders, making integration straightforward for electricians, contractors, and DIY enthusiasts alike.
![[Product front view showing all components]](https://www.instanets.store/wp-content/uploads/2026/07/230fa75b1ded41c0bad21508b95d0c5d.jpg)
Usage
These ceramic fuse links are ideal for protecting lighting circuits, small appliances, control panels, and motor starter assemblies in both residential and commercial settings. Their compact size allows installation in tight panel spaces, while the 3 A rating makes them suitable for low‑current circuits such as doorbell systems, thermostat wiring, and sensor networks. The 500 V voltage rating ensures reliable performance in typical line voltage applications, and the 100 kA short‑circuit rating (690 V 50 kA) provides an added safety margin for fault conditions. Whether you are upgrading an older panel, building a new control board, or performing routine maintenance, the Heschen RT18‑32 fuse link offers a trusted solution that balances cost‑effectiveness with high‑quality performance.
Why Choose Us
Choosing Heschen means selecting a brand with a long history of electrical component manufacturing and a commitment to quality assurance. Each fuse link undergoes rigorous testing for electrical endurance, thermal stability, and mechanical strength, guaranteeing that the product performs as specified throughout its service life. The CE listing provides confidence that the fuse meets stringent European safety standards, while the generous 20‑piece packaging reduces the need for frequent re‑ordering. Our dedicated technical support team is available to assist with product selection, installation guidance, and after‑sales service, ensuring that you receive comprehensive assistance from purchase to long‑term operation. By partnering with Heschen, you benefit from reliable supply chain continuity, consistent product specifications, and a focus on customer satisfaction.
Key Features
- High‑temperature ceramic construction provides superior insulation and durability.
- Compact 10×38 mm size fits standard fuse holders for easy retrofits and new builds.
- 3 A current rating at 500 V delivers reliable protection for low‑current circuits.
- CE certified ensures compliance with European safety and performance standards.
- Pack of 20 reduces inventory costs and guarantees spare parts availability.
FAQ
What does the “RT18-32” model number indicate?
The model number RT18-32 identifies the specific dimensions (10×38 mm) and electrical ratings (3 A, 500 V) of the ceramic fuse link, allowing you to match it precisely with compatible fuse holders and circuit requirements.
Can this fuse link be used in a 240 V residential circuit?
Yes, the 500 V voltage rating exceeds the typical 240 V residential line voltage, making the RT18‑32 suitable for protecting circuits in both single‑phase and multi‑phase residential installations.
Is the CE certification applicable worldwide?
While CE certification is a European standard, it is widely recognized as an indicator of safety and quality. The fuse link can be used globally, provided it meets local electrical codes and regulations.
How do I replace a blown fuse link safely?
First, disconnect power to the circuit and verify that the voltage is zero. Remove the damaged fuse link from its holder, insert a new Heschen RT18‑32 fuse link, and ensure it seats firmly. Restore power and test the circuit to confirm proper operation.
What warranty does Heschen offer for this product?
Heschen provides a limited one‑year warranty covering manufacturing defects. If you encounter any issues within this period, contact our customer support for a replacement or refund, subject to proof of purchase.




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