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Introduction
The XRNT Current-Limiting Fuses are engineered to protect transformers and electrical equipment in 3.6kV to 40.5kV indoor AC 50Hz systems. Designed to operate seamlessly with load switches, vacuum contactors, and switchgear, these fuses provide critical defense against overloads and short circuits. Ideal for high-voltage switchgear, ring main units, and substations, the XRNT series ensures reliable performance in demanding industrial and utility environments.
Key Features
- Wide Voltage Range: Compatible with 3.6kV, 7.2kV, 12kV, 24kV, and 40.5kV systems.
- High Breaking Capacity: Efficiently interrupts fault currents to safeguard transformers.
- Precision Protection: Customizable fuse ratings from 3.15A to 250A for tailored solutions.
- Robust Construction: Durable design for long-term reliability in indoor installations.
- Versatile Integration: Essential accessory for switchgear, RMUs, and substations.
Technical Specifications
Table 1: XRNT Fuse Series Electrical Parameters
| Type | Rated Voltage (kV) | Rated Current of Fuse (A) | Rated Current of Fuselink (A) |
|---|---|---|---|
| XRNT-12 | 12 | 40 | 3.15, 6.3, 10, 16, 20, 25, 31.5, 40 |
| XRNT-12 | 12 | 100 | 50, 63, 71, 80, 100, (125) |
| XRNT-12 | 12 | 125 | 125, 160, 200, 250 |
| XRNT-24 | 24 | 200 | 3.15, 6.3, 10, 16, 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200 |
| XRNT-40.5 | 40.5 | 125 | 3.15, 6.3, 10, 16, 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200 |
Overall and Mounting Dimensions (mm)
Chat1/a link XRNT-12Kv
Note: ΦA: Φ51mm ( 6.3-40A ) Φ63Φ76mm ( 50-125A ) Φ88mm ( 160-200A )
Chat2/a link XRNT □-24Kv
Note:ΦA: Φ51mm ( 6.3-40A ) Φ63 Φ76mm ( 50-125A ) Φ88mm ( 125-20OA)
Chat3/a link XRNT □-40.5Kv
Note: ΦA: Φ51mm ( 6.3-25A ) Φ76mm ( 25-40A ) Φ88mm ( 50-100A )
Chat4/b link(12Kv)
Chat5/Inserting type fuse XRNT□-24Kv
Chat6/Insertingfypefuse XRNT□-40.5Kv
Example Dimension Guide (Customize with Your Diagrams):
| Model | A (mm) | B (mm) | C (mm) | D (mm) | Reference Diagram |
|---|---|---|---|---|---|
| XRNT-12 | 150 | 200 | 300 | 50 | Figure 1 |
| XRNT-24 | 180 | 220 | 320 | 60 | Figure 2 |
| XRNT-40.5 | 200 | 250 | 350 | 70 | Figure 3 |
(Replace with your specific dimension charts or images.)
Applications
- Transformer Protection: Safeguards distribution and power transformers from overloads.
- Switchgear Integration: Compatible with high-voltage switchgear and RMUs.
- Industrial Power Systems: Protects motors, capacitors, and critical equipment.
- Renewable Energy: Ensures safety in solar/wind farm substations.
Why Choose XRNT Fuses?
- Adaptive Design: Supports a broad range of currents (3.15A–250A) for diverse applications.
- High Voltage Compatibility: Covers systems up to 40.5kV for utility and industrial use.
- Reliable Fault Interruption: Limits damage by swiftly isolating faulty circuits.
- Certified Quality: Complies with international electrical safety standards.
Installation & Maintenance
- Mounting: Follow dimension diagrams for precise alignment in switchgear or panels.
- Fuse Selection: Match fuselink ratings to system requirements (refer to Table 1).
- Inspection: Regularly monitor for signs of wear or thermal stress.
The XRNT Current-Limiting Fuse Series delivers unmatched protection for transformers and high-voltage systems. With its flexible ratings (3.15A–250A), wide voltage compatibility (3.6kV–40.5kV), and robust construction, it is the go-to solution for ensuring operational safety and minimizing downtime in critical infrastructure.
Upgrade your protection system today—contact us for technical details and pricing!
