A rubber housed fuse cutout interrupts electrical circuits during fault conditions in high-voltage power distribution systems, typically operating at 10 to 36 kilovolts. The polymer or silicon rubber housing provides insulation and resistance to moisture, Ultraviolet (UV) radiation, and outdoor environmental factors, enclosing an insulating housing, contact conductive system, and fuse tube with fuse element.
During normal operation, the fuse secures the movable joint on the fuse tube in a closed position. When a short circuit occurs, the fuse element melts from overcurrent, generating an arc within the tube. Gas produced during this process aids arc suppression, and when current reaches zero, the arc extinguishes. This releases the movable joint, allowing the fuse tube to drop under gravity, creating a visible isolation gap that opens the circuit.
These cutouts are installed upstream of pole transformers, indoor transformers, arresters, and phase advance capacitors in high-voltage distribution networks. They isolate faulty sections and enable safe maintenance by de-energizing equipment. Designs may include protective insulating covers to prevent bird-related or dust-related issues.
Service life typically spans 10 to 15 years under standard conditions, with operational limits of approximately 50 to 100 load current interruptions and 5 short-circuit current interruptions. The cutouts meet international standards such as International Electrotechnical Commission (IEC) and British Standards (BS), ensuring global compatibility.
Rubber Housed Fuse Cutout Manufacturer
RaxPower, established in 2003 in Hebei Province, China, is a New & High Technology enterprise dedicated to the R&D and manufacturing of high voltage electric power transmission and distribution equipment. Our Rubber Housed Fuse Cutout exemplifies this focus, engineered with advanced polymer housing for superior insulation and durability in demanding applications.
With over 21 years of experience and facilities including 17,000 square meters of production workshops, we leverage a team of over 170 professionals, such as 30 technicians and 10 engineers, to ensure strict adherence to international standards like IEC and BS.
Holding ISO 9001 and ISO 14001 certifications, we demonstrate an unwavering commitment to quality, safety, and environmental responsibility. The product benefits from our sophisticated manufacturing processes, including hot forging for enhanced strength and precision, and undergoes rigorous multi-stage testing and load checks to guarantee reliable performance in power transmission and distribution networks.
| Parameter | Specification |
|---|---|
| Rated Voltage | 10 to 36 kV |
| Housing Material | Polymer or Silicon Rubber |
| Life Span | 10 to 15 years |
| Maximum Load Current Interruptions | 50 to 100 times |
| Maximum Short-Circuit Current Interruptions | Approximately 5 times |
| Standards | IEC and BS |
Frequently Asked Questions (FAQS)
What is a rubber housed fuse cutout and how does it operate?
A rubber housed fuse cutout is an electrical protection device made of an insulator, contact conductive system, and fuse wire tube, designed to safely interrupt circuits during overcurrent conditions. During normal operation, the fuse locks the movable joint on the fuse tube, keeping it closed. When a short circuit occurs, the fuse blows, producing an arc. Arc suppression in the fuse tube generates gas to extinguish the arc at current zero, releasing the joint and causing the fuse tube to fall rapidly, forming an obvious isolation clearance.
What are the typical applications and voltage ratings available?
The rubber housed fuse cutout is used in high-voltage distribution lines to interrupt the circuit during short circuits or for maintenance, protecting downstream equipment such as transformers and arresters. RaxPower's rubber housed fuse cutouts are available for voltage ranges from 10 KV to 36 KV.
What are the key features of the rubber housing and protective covers?
The rubber housing provides high insulation and weather resistance, ensuring durability and reliability in various environmental conditions. Protective insulating covers, birdproof covers, and dustproof covers are available to prevent environmental damage and enhance safety.
Which international standards does the product meet?
RaxPower's rubber housed fuse cutouts are produced strictly according to international standards including IEC60269, IEC282, VDE0636, BS88, BS-132, and NF63210, with rigorous quality control measures and multi-stage testing to ensure every product meets high reliability requirements for critical grid applications.
Can you handle large-volume orders with consistent quality and on-time delivery?
Yes, we have extensive experience supplying bulk orders, such as shipments of over 10,000 units, with automated manufacturing processes that maintain production efficiency and consistency. Our strong focus on quality control and experienced engineering team ensure uniform product quality across all batches. RaxPower's scalable operations and warehousing capabilities guarantee reliable, on-time delivery even for major projects, while our efficient manufacturing scale and process automation reduce production costs without compromising consistency.
What range of products do you offer with competitive wholesale pricing?
We provide a comprehensive catalog of electrical products including rubber housed fuse cutouts, surge arresters, composite insulators, and related hardware. RaxPower's manufacturing efficiencies and direct supply chain enable us to offer highly competitive wholesale prices, supporting your margins while ensuring product variety for your market.
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