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The 33–38kV High Voltage Fuse Cutout is an essential protective device used in outdoor electrical distribution systems to provide reliable overcurrent and short-circuit protection. Designed for overhead power lines, transformers, and distribution feeders, this high voltage fuse cutout safely disconnects faulty sections while offering a visible isolation point for maintenance.
Wide voltage range covering 33kV to 38kV systems
Reliable overcurrent and short-circuit protection
Drop-out design ensures visible isolation for safety
Strong arc-extinguishing performance during fault interruption
Hot-dip galvanized steel fittings resist corrosion
Porcelain or polymer insulator options available
Stable electrical performance under harsh weather conditions
Easy fuse link replacement, reducing outage time
Suitable for both urban and rural distribution networks
Utility-grade structure for long-term outdoor service
33–38kV overhead distribution lines
Primary protection for pole-mounted transformers
Distribution feeders in utility power networks
Industrial and commercial outdoor substations
Rural electrification and long-distance feeders
High-pollution, coastal, and high-humidity regions
• Install the 33–38kV high voltage fuse cutout on poles or crossarms using standard mounting brackets.
• Connect the upper terminal to the incoming conductor and the lower terminal to the outgoing line or transformer.
• Insert the appropriate fuse link according to system current rating.
• When a fault occurs, the fuse link melts and the fuse tube drops, isolating the circuit.
• After fault clearance, replace the fuse link and re-close the cutout to restore power.
| Rated voltage(KV) | Rated current(A) | Rated interrupting current(KA) | Lightning impulse withstand voltage to ground (BIL KV) | Minimum power frequency withstand dry voltage to ground (KV) | Minimum creepage distance(mm) |
| 24-27 | 100/200 | 12 | 150 | 65 | 470 | |
| 33-38 | 100/200 | 8 | 170 | 70 | 660 | |
| 33-38 | 100/200 | 8 | 170 | 70 | 720 | |
| 33-38 | 100/200 | 8 | 170 | 70 | 900 |
Manufactured according to IEC / ANSI distribution standards
100% electrical and mechanical testing before shipment
High-quality insulators with strict aging resistance control
Hot-dip galvanized hardware for long-term corrosion protection
Stable performance verified under outdoor simulation tests
Q1: What voltage range does this fuse cutout support?
A1: It is designed for 33kV to 38kV high voltage distribution systems.
Q2: Is this fuse cutout suitable for outdoor use?
A2: Yes, it is specifically designed for long-term outdoor installation.
Q3: Can it protect transformers?
A3: Yes, it is commonly used for primary protection of pole-mounted transformers.
Q4: Is fuse replacement complicated?
A4: No, the drop-out structure allows quick and safe replacement.
Q5: Does it perform well in polluted or coastal areas?
A5: Yes, with corrosion-resistant materials, it performs reliably in harsh environments.
