Drop-out fuse

The 12kV–36kV Fusibles with Load Break – Porcelain Type are designed for reliable switching and protection in high-voltage outdoor distribution systems. This porcelain load break fuse cutout allows safe load breaking and fault isolation under energized conditions, while providing excellent insulation strength and mechanical durability. Widely used in overhead distribution lines and transformer protection, the 12kV–36kV load break fuse ensures stable performance in harsh outdoor environments.

Product Advantages：

1. Load break capability for safe switching under load

2. Wide voltage range covering 12kV to 36kV systems

3. High-strength porcelain insulator with excellent insulation performance

4. Reliable arc-extinguishing performance during switching operations

5. Hot-dip galvanized steel fittings for corrosion resistance

6. Stable mechanical structure suitable for outdoor installation

7. Clear visible open position improves maintenance safety

8. Compatible with standard fuse links and accessories

9. Excellent performance in polluted and coastal environments

10. Utility-grade design for long service life

Applications：

1. 12kV–36kV overhead distribution lines

2. Pole-mounted transformer primary protection

3. Outdoor distribution feeders in utility networks

4. Industrial and commercial power distribution systems

5. Rural electrification and grid extension projects

6. Areas requiring frequent load switching operations

How to Apply ：

• Mount the porcelain load break fuse cutout on poles or crossarms using standard brackets.

• Connect the upper terminal to the incoming line and the lower terminal to the outgoing circuit or transformer.

• Install the appropriate fuse link according to the rated current.

• Use an insulated operating stick to safely open or close the fuse cutout under load conditions.

• After fault clearing, replace the fuse link and re-close the cutout to restore power.

Features:

1. Provide overload protection and short circuit protection

2. Compact in size

3. Cheap price

4. Easy to install

Our advantages：

1. Zhejiang Reacon Electric Co.Ltd., is a professional manufacturer and seller of fuses

2. The copper parts are hot-dip galvanized, which has strong corrosion resistance and is safer and more reliable

3. Using high-quality contacts: with a long creepage distance, good waterproof performance, and reduced maintenance in the later stage

4. Stainless steel cover: The steel parts are hot-dip galvanized

5. High strength insulators: Ceramic insulator brackets have advantages such as high temperature resistance, smooth color, and strong hardness

Parameter：

Quality Assurance：

1. Manufactured in compliance with IEC / ANSI high-voltage standards

2. 100% electrical, mechanical, and load break performance testing

3. High-quality porcelain with strict aging resistance control

4. Hot-dip galvanized fittings ensure long-term corrosion protection

5. Stable performance verified under outdoor simulation tests

FAQ：

Q1: What does “load break” mean for this fuse cutout?

A1: It means the fuse cutout can safely interrupt current while the circuit is energized.

Q2: What voltage range is supported?

A2: It supports distribution systems from 12kV to 36kV.

Q3: Is porcelain suitable for outdoor environments?

A3: Yes, porcelain provides excellent insulation and weather resistance.

Q4: Can this fuse cutout protect transformers?

A4: Yes, it is widely used for primary protection of pole-mounted transformers.

Q5: How often should it be inspected?

A5: Routine inspection is recommended every 6–12 months.