The Standard Type Fuse Cutout protects overhead distribution transformers and capacitor banks from overcurrent conditions. It provides visible fuse operation indication and functions as a sectionalizing device. The lightweight design facilitates easier installation than porcelain units, with up to 50% weight reduction. Reliable dropout action occurs across all fault levels, from low overloads to high faults (10 kA or higher interrupting ratings). Ergonomic features enable straightforward fuse link installation and tube manipulation, even with gloves.
An all-copper current path with silver-plated contacts ensures efficient current transfer and low resistance. Tin-plated bronze terminals accommodate copper and aluminum conductors. The fuseholder features a solid cap design and toggle-type trunnion, while the hinge employs large pivot areas and high-strength cantilever springs. Components receive corrosion-resistant finishes such as hot-dip galvanization or stainless steel for harsh environments.
The insulator uses Enhanced Silicone Polymer (ESP), exhibiting hydrophobic properties that repel moisture and resist tracking. This material provides increased leakage distance (12.6 inches for 15 kV ratings) compared to porcelain, plus resistance to ultraviolet radiation and ozone. A single-vent design directs exhaust downward for enhanced arc quenching. The fuse tube incorporates arc-extinguishing liners, while link ejectors and torsion springs rapidly eject the fuse link during fault interruption.
Specifications include maximum design voltages up to 36 kV, Basic Insulation Level (BIL) ratings from 110 kV to 170 kV, and continuous current ratings of 100 A or 200 A. Fuse links range from 1 A to 200 A. The cutout complies with ANSI/IEEE C37.41, C37.42, IEC, and NEMA standards.
Boost Distribution Safety with RaxPower Standard Type Fuse Cutout – Trusted Supplier
RaxPower is a leading manufacturer of fuse cutouts, with a proven reputation for reliability, performance, and long life. Our Standard Type Fuse Cutout is designed for use on overhead distribution systems to provide over-current protection and a visible indication of fuse operation, safeguarding against line overloads and faults.
The product incorporates high-quality materials such as a pure copper fuse element and a high-strength tube with pure quartz sand for effective arc extinguishing, ensuring excellent breaking capacity and safe operation. It features easy installation and maintenance, with an indicator that pops up to visually confirm fusing.
We employ advanced manufacturing techniques like hot forging and automatic machines, along with rigorous quality control including raw material selection and multi-stage testing, to ensure our fuse cutouts are durable, corrosion-resistant, and compliant with international standards like IEC and IEEE.
Driven by a commitment to product excellence and customer satisfaction, we offer a comprehensive range of fuse cutouts, including standard and customized options. Choose RaxPower as your trusted partner for high-quality fuse cutouts that protect your distribution system efficiently.
| Maximum Design Voltage (kV) | BIL (kV) | Continuous Current (A) | Interrupting Rating (kA RMS Asym.) | Leakage Distance (in) | Fuse Link Range (A) | Insulator Material | Approx. Length (in) | Approx. Weight (lb) | Standards Compliance |
|---|---|---|---|---|---|---|---|---|---|
| 15 | 110 | 100 | 10 | 12.6 | 1-100 | ESP | 14.5 | 14.2 | ANSI/IEEE, IEC, NEMA |
| 15 | 110 | 200 | 10 | 12.6 | 140-200 | ESP | 14.5 | 14.2 | ANSI/IEEE, IEC, NEMA |
| 27 | 125 | 100 | 10 | 17.1 | 1-100 | ESP | 18.25 | – | ANSI/IEEE, IEC, NEMA |
| 27 | 125 | 200 | 10 | 17.1 | 140-200 | ESP | 18.25 | – | ANSI/IEEE, IEC, NEMA |
| 36 | 170 | 100 | 10 | 33.2 | 1-100 | ESP | – | – | ANSI/IEEE, IEC, NEMA |
| 36 | 170 | 200 | 10 | 33.2 | 140-200 | ESP | – | – | ANSI/IEEE, IEC, NEMA |
Frequently Asked Questions (FAQS)
What is the primary purpose of a Standard Type Fuse Cutout?
The primary purpose is to provide protection to distribution lines and various apparatus such as transformers and capacitor banks from overloads and faults.
What are the key features of the Standard Type Fuse Cutout?
Key features include an all copper current path with silver-plated contacts for low resistance current transfer, Enhanced Silicone Polymer insulators that resist UV radiation, moisture, and extreme temperatures, single vent solid cap design, synthetic arc quenching fuse holder liner, and compatibility with Universal Style fuse links.
Are your fuse cutouts certified to meet international industry standards?
Yes, our Standard Type Fuse Cutouts are fully compliant with key international standards including IEC, IEEE, and ANSI C37.41 & C37.42, ensuring they meet rigorous requirements for overcurrent protection and performance in distribution systems.
How does the Standard Type Fuse Cutout ensure reliable operation?
Reliable operation is ensured through constant pressure contacts, a link ejector that assists in arc interruption, synthetic fuse holder liner for consistent arc quenching, and robust construction with thermal diffusion galvanization.
What voltage and current ratings are available?
It is available for system voltages up to 36 kV with BIL ratings up to 170 kV. Current ratings include 100 A and 200 A fuseholders, with fuselink ranges from 1A to 100A, and a 300 A disconnect blade option.
What makes your cutouts suitable for easy installation and maintenance?
They are engineered for easy fuse link installation even with gloved hands, reliable dropout action independent of fault current levels, and compatibility with portable loadbreak tools for safe switching, reducing installation time and enhancing operator safety.
Can your cutouts be used as direct replacements for products from other major manufacturers?
Yes, they are designed to be interchangeable with other major brands such as ABB Type ICX and S&C (MPS) Type XS within the same voltage class, simplifying inventory and replacement for utilities and distributors.
Can the Standard Type Fuse Cutout be used for load switching?
Yes, with the use of a portable loadbreak tool or when fitted with a 300 A disconnect blade, it can function as a sectionalizing device similar to an overhead disconnect switch.
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