Indoor HV Air Pressure Load Break Switch 24kV
Key attributes
| Brand | ROCKWILL |
| Model NO. | Indoor HV Air Pressure Load Break Switch 24kV |
| Rated voltage | 24kV |
| Rated normal current | 800A |
| Rated frequency | 50/60Hz |
| Series | FN18 |
Product descriptions from the supplier
Description
Product Overview
Our FN18-24 Load Break Switch & Disconnector is a high-reliability electrical switching device, specifically designed for 24kV, 50Hz AC power systems. Engineered for indoor installation, this switch integrates load break and disconnection functions, making it an essential component for medium-voltage power distribution networks. It supports both manual and motor operating mechanisms, and can be flexibly matched with fuses and earthing switches to meet diverse protection and control needs. Optimized for Google search visibility and compliant with international industry standards, the FN18-24 is an ideal choice for global power grid operators, contractors, and bulk procurement, suitable for indoor power distribution scenarios in substations, industrial facilities, and commercial projects.
Core Features
The FN18-24 Load Break Switch & Disconnector is a specialized indoor switching device tailored for 24kV medium-voltage power systems, combining load breaking and disconnection capabilities to ensure safe and efficient power distribution. Its core features are designed to meet the flexibility and reliability requirements of global power projects, including:
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Model & Rated Parameters: FN18-24 model, designed for 24kV, 50Hz AC power systems, perfectly adapting to mainstream 24kV medium-voltage power distribution networks worldwide.
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Indoor Installation: Optimized for indoor use, suitable for installation in switchgear rooms, substations, and indoor power distribution facilities, with a compact design to save installation space.
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Dual Operating Mechanisms: Compatible with both manual and motor operating mechanisms, providing flexible operation options to fit different on-site operation needs and project budgets.
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Flexible Matching Capability: Can be seamlessly matched with fuses and earthing switches, forming a complete protection and control system to enhance power grid safety.
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Dual Functions: Integrates load break and disconnector functions, enabling safe opening and closing of load current, as well as reliable disconnection for equipment maintenance and fault handling.
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High Reliability: Adopts robust structural design and high-quality components, ensuring stable operation, low failure rate, and long service life in indoor working environments.
Technical data：
|
No.
|
Item
|
Unit
|
Parameters
|
|
1
|
Rated Voltage
|
kV
|
24
|
|
2
|
2Maximum Service Voltage
|
kV
|
25.8
|
|
3
|
Withstand Voltage to earth and between poles
|
kV
|
50
|
|
4
|
Withstand voltage across the isolating distance
|
kV
|
60
|
|
5
|
Impulse withstand voltage to earth and between poles
|
kV
|
125
|
|
6
|
Impluse withstand voltage across the isolating distance
|
kV
|
145
|
|
7
|
Rated current
|
A
|
400 630 800
|
|
8
|
Breaking capacity for active circuits (cos Ø0.7)
|
A
|
400 630 800
|
|
9
|
Breaking capacity for no-load transformers
|
A
|
16
|
|
10
|
Breaking capacity for no-load line and cables
|
A
|
25
|
|
11
|
Short-time current
|
kA/1s
|
20
|
|
12
|
Making Capacity
|
kA
|
40
|
Key Application Scenarios
The FN18-24 Load Break Switch & Disconnector is widely used in global 24kV indoor medium-voltage power distribution projects, including:
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Indoor substations (urban, industrial, commercial)
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Industrial and mining enterprises (factory indoor power distribution systems)
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Commercial facilities (large shopping malls, office buildings, hotels)
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Municipal public facilities (indoor power distribution rooms)
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Power grid renovation and expansion projects (24kV systems)
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Indoor power distribution systems requiring load break and disconnection functions
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Model Specificity: FN18-24 model, dedicated to 24kV systems, ensuring precise matching with global 24kV medium-voltage power distribution needs.
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Flexible Operation: Compatible with manual and motor operating mechanisms, adapting to different project scales and operation requirements, reducing procurement and operation costs.
-
Easy Integration: Can be matched with fuses and earthing switches, facilitating seamless integration into existing or new power protection systems.
-
Compact & Practical: Indoor design with compact structure, saving installation space, suitable for limited-area indoor switchgear rooms.
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Cost-Effective Procurement: Stable production capacity supports large-volume bulk orders; factory-direct pricing without intermediate links, reducing cross-border procurement costs.
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High Reliability: Robust design ensures long service life and low maintenance frequency, minimizing long-term operational losses for global buyers.
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