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The 45kV Fusibles with Load Break – Porcelain is designed for protection and sectionalizing of high voltage overhead distribution systems. This 45kV porcelain load break fuse cutout allows safe interruption of load current using a hot stick, while providing reliable protection against overcurrent and short-circuit faults. The high-strength porcelain housing ensures excellent insulation performance, strong mechanical stability, and long service life under harsh outdoor conditions.
Safe load breaking capability up to 45kV
High-strength porcelain housing
Excellent insulation and arc-extinguishing performance
Reliable overcurrent and short-circuit protection
Stable operation in harsh outdoor environments
Compatible with standard hot stick operation
Widely used in utility power distribution networks
45kV overhead power distribution lines
Utility power distribution networks
Pole-mounted transformer protection
High voltage line sectionalizing points
Urban and rural distribution systems
• Mount the 45kV porcelain load break fuse cutout on poles or crossarms using standard mounting brackets.
• Select and install the correct fuse link according to system current rating.
• Operate the fuse cutout safely under load using a hot stick.
• Perform regular visual inspections to ensure porcelain integrity and contact reliability.

| Rated Voltage (kV) | BIL (kV) | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | Leakage Distance (mm) | Weight (kg) |
| 12(15) | 125 | 331.4 | 169.3 | 202.4 | 462.8 | 124.9 | 412.8 | 325.1 | 6.58 |
| 24(27) | 125 | 341.4 | 179.3 | 202.4 | 462.8 | 134.9 | 412.8 | 325.1 | 6.58 |
| 24(27) | 150 | 341.4 | 179.3 | 202.4 | 462.8 | 134.9 | 412.8 | 457.2 | 9.08 |
| 24(33) | 200 | 435.1 | 187.5 | 261.1 | 548.4 | 165.1 | 522.2 | 665.5 | 10.1 |
| 24(36) | 200* | 435.1 | 187.5 | 261.1 | 548.4 | 165.1 | 522.2 | 769.6 | 10.4 |
High-quality porcelain insulation materials
Strict electrical and mechanical performance testing
Designed for high voltage outdoor applications
Stable and reliable long-term operation
Each unit inspected before shipment
Q1: What is a 45kV porcelain load break fuse cutout used for?
A1: It is used to protect and isolate high voltage distribution lines under load conditions.
Q2: Can this fuse cutout safely interrupt load current?
A2: Yes, it is designed for safe load breaking with a hot stick.
Q3: Why choose porcelain type fuse cutouts?
A3: Porcelain offers excellent insulation, high strength, and long outdoor service life.
Q4: Is this product suitable for outdoor installation?
A4: Yes, it is designed specifically for outdoor power distribution systems.
Q5: What voltage systems is it suitable for?
A5: It is suitable for 45kV class high voltage distribution systems.
