| Customization: | Available |
|---|---|
| Max. Fuse Current(Xrnt Fuse): | 200A |
| Peak Withstand Current: | 63ka Peak. |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
FN5-12(24)Series Indoor Load Break Switch
Product Overview:
The FN5-12(24) Indoor AC Medium Voltage (M.V.) Load Switch and Fuse Combination is an advanced electrical device designed to meet the specific requirements of medium-voltage power systems in accordance with international standards. It has been rigorously tested and complies with IEC62271 for "AC M.V. Load Switch-Fuse Combinations" and GB3804 for "3-63kV AC M.V. Load Break Switch." With a compact size and lightweight design, this load switch is ideal for Ring Main Units (RMU) and compact substations. It is widely used in 12kV and 24kV power distribution networks, offering a complete solution for open phase protection, as well as the ability to break on-load current, overload current, and short-circuit current.
Product Features:
1. International Standards Compliance:
The FN5-12(24) meets the rigorous requirements of IEC62271 and GB3804, ensuring high performance and reliability in medium voltage applications.
2. Compact and Lightweight Design:
The compact size and reduced weight make this load switch an ideal choice for space-constrained installations such as RMUs and compact substations, facilitating easier installation and maintenance.
3. Three-Position Switch:
This device incorporates a three-position switch with ON/OFF, isolation, and grounding functions, providing enhanced operational flexibility and safety.
4. Protection Capabilities:
The load switch offers superior protection features, including the ability to break on-load current, overload current, and short-circuit current. Additionally, it is equipped with open-phase protection, ensuring reliable operation in a wide range of scenarios.
5. Manual Operating Mechanism:
The FN5-12(24) can be paired with the CS6-1 manual operating mechanism, enabling easy and precise control of the load switch for operational convenience.
Applications:
• Power Distribution: Suitable for medium-voltage power distribution systems in both 12kV and 24kV lines.
• Ring Main Units (RMU): Its compact design makes it ideal for installation in RMUs, providing efficient load management in electrical distribution systems.
• Compact Substations: Widely used in compact substations due to its small footprint and high functionality.
Advantages:
• Space-Saving Design: Its compact and lightweight structure makes it an excellent fit for installations where space is limited.
• Comprehensive Protection: Provides reliable phase, overload, and short-circuit protection, making it suitable for a wide range of operational environments.
• Flexible Operation: The three-position switch offers enhanced functionality for different operational needs, including isolation and grounding.
Technical Specifications:
• Voltage Rating: 12kV / 24kV
• Standards Compliance: IEC62271, GB3804
• Switching Capability: On-load current, overload current, short-circuit current
• Operating Mechanism: Compatible with CS6-1 manual mechanism
• Protection Function: Open phase, overload, short-circuit protection
Precautions:
1. Professional Installation: Ensure that installation and maintenance are carried out by trained professionals in accordance with the relevant electrical standards and guidelines.
2. Regular Maintenance: Periodic inspections and maintenance should be performed to ensure the continuous and optimal operation of the load switch.
3. Operational Environment: Ensure that the installation site meets the recommended environmental conditions for medium-voltage equipment to prevent any operational issues or failures.
The FN5-12(24) Indoor AC Medium Voltage Load Switch and Fuse Combination provides an efficient, reliable, and compact solution for medium-voltage power distribution networks, ensuring safety, protection, and easy operation.
| Technical Specification | |||
| Rated voltage | kV | 12 | 24 |
| Rated current | A | 630 | 630 |
| Rated power frequency | Hz | 50/60 | 50/60 |
| Short circuit making capacity | kA Peak. | 63 | 63 |
| Peak withstand current | kA Peak. | 63 | 63 |
| Short time current | kA eff. | ||
| 1Sec. | 25 | 25 | |
| 3Sec. | 14 | 14 | |
| Max. breaking capacity in co-operation with fuses IEC 62271-105 (IEC 420 1990-11) | A | 1600 | 900 |
| Max. fuse current(XRNT Fuse) | A | 200 | 200 |
| Power frequency withstand voltage 50Hz 1 min,: | |||
| To earth and between poles | kV | 42 | 55 |
| Across isolating distance | kV | 48 | 70 |
| Impulse withstand voltage 1.2/50μs: | |||
| To earth and between poles | kV | 75 | 125 |
| Across isolating distance | kV | 85 | 145 |
| Mechanism Endurance | cycles | 1000 | 2000 |
){kind=link}