FZRN25A-12D High Voltage Vacuum Load Switch and Fuse Combination Electric Appliances
2. **Rated Current**: Supports a continuous current of up to 630A under normal working conditions.
3. **Tripping Capacity**: Effectively cuts off fault currents up to 20kA, providing reliable protection.
4. **Tripping Time**: Cuts off the current swiftly with a response time of ≤ 0.1 seconds.
5. **Operation Mode**: Available in manual and electric operation modes for flexible control.
6. **Distance**: Ensures a contact separation distance of 210mm after disconnection, maximizing safety.
7. **Delivery**: Shipping available via air, sea, or express, depending on customer preference.
8. **Packaging**: Securely packaged in wooden crates for safe transportation.
Introduction To FZRN25A-12D High Voltage Vacuum Load Switch and Fuse Combination Electric Appliances
Huadian is professional FZRN25A-12D High Voltage Vacuum Load Switch and Fuse Combination Electric Appliances manufacturers and suppliers in China, specialized in providing customized FZRN25A-12D High Voltage Vacuum Load Switch and Fuse Combination Electric Appliances with wholesale price. For quotation, contact us now.
Product Features and Advantages
The FZRN25A-12D is built with advanced vacuum technology, ensuring minimal arc damage and extended equipment lifespan. Here are its key features:
- High Protection Reliability: The integration of a vacuum switch and fuse guarantees high-level protection against short circuits and overloads.
- Low Maintenance: The use of vacuum interrupters significantly reduces the need for regular maintenance.
- Compact Design: Designed for space-constrained environments, this unit ensures optimal performance in small installations.
- Quick Fault Response: The fast-operating fuse provides immediate isolation of faulty sections, reducing downtime and improving safety.
- Long Service Life: Thanks to vacuum technology, the FZRN25A-12D offers an extended operational lifespan compared to traditional switchgear.
Product Structure
A three-phase vacuum interrupter and high-voltage fuses are integrated into the FZRN25A-12D High Voltage Vacuum Load Switch and Fuse Combination Electric Appliances. Its modular design makes it simple to set up, take care of, and change parts. The high-quality materials used to construct the protective housing guarantee its long-term durability in harsh industrial settings. Visual indicators for operational status and fault conditions also make troubleshooting easier for users.
Main Technical Parameters of the Product
- Rated Voltage: 12kV
- Rated Current: 630A
- Rated Frequency: 50/60Hz
- Short Circuit Breaking Capacity: 31.5kA
- Fuse Rated Current: 125A
- Mechanical Endurance: 10,000 operations
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Number |
name |
Unit |
data |
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FZN25A-12D/T630-20 FZRN25A-12D/T200-31.5 |
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1 |
Rated voltage |
kV |
12 |
||
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2 |
Rated current |
A |
630 |
200 |
|
|
3 |
Rated frequency |
Hz |
50 |
||
|
4 |
rated insulation level |
1min power frequency withstand voltage |
kV |
extinguishing chamber fracture 30;To ground and between phases 42;Isolation fracture 48 |
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| Lightning impulse withstand voltage (peak value) |
kV |
To ground and between phases 75;Isolation fracture 85 |
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5 |
Rated short-circuit withstand current |
kA |
20 |
||
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6 |
Rated short-circuit duration |
S |
4 |
||
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7 |
Rated peak withstand current |
kA |
50 |
||
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8 |
Rated effective load breaking current |
A |
630 |
||
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9 |
Rated closed-loop breaking current |
A |
630 |
||
|
10 |
Rated cable charging breaking current |
A |
10 |
||
|
11 |
Rated breaking no-load transformer capacity |
kVA |
1600 |
||
|
12 |
Rated short-circuit breaking current |
kA |
31.5 |
||
|
13 |
Rated transfer current |
A |
200 |
||
|
14 |
Model of fuse |
SDLAJ-12 SFLAJ-12 |
|||
|
15 |
Impactor output energy |
J |
1+0.5 |
||
|
16 |
Rated short-circuit making current |
kA |
50 |
80(expected value) |
|
|
17 |
Rated short-term withstand current of grounding switch |
kA |
20 |
||
|
18 |
Rated short-circuit duration of grounding switch |
S |
2 |
||
|
19 |
Rated peak withstand current of grounding switch |
kA |
50 |
||
|
20 |
Rated voltage of auxiliary circuit |
V |
220 ≌110 |
||
|
21 |
Mechanical lifespan |
order |
10000 |
||
Product Use Conditions
TheFZRN25A-12D High Voltage Vacuum Load Switch and Fuse Combination Electric Appliances are suitable for use in areas with an altitude below 1000 meters, temperatures ranging from -25°C to 40°C, and humidity levels not exceeding 95%. It is designed to operate in clean environments free from severe vibrations, explosive gas, or dust contamination. Regular inspections and minimal environmental interference ensure optimum performance.
Product Application Scope and Field
This vacuum load switch and fuse combination is widely used across industries requiring medium-voltage power distribution systems. Key applications include:
- Power Plants: Protects critical electrical systems in energy generation.
- Urban and Rural Power Grids: Supports reliable power distribution in utility networks.
- Petrochemical and Metallurgy Industries: Ensures safe and efficient operations in hazardous environments.
- Railways and Mining: Provides robust protection for demanding transportation and extraction applications.
OEM Services
At Shaanxi Huadian Electric Co., Ltd., we offer comprehensive OEM services tailored to meet the specific needs of our clients. Our experienced R&D team can develop customized solutions based on your unique technical requirements, ensuring top-notch quality and precision. We are committed to maintaining the highest standards in design, production, and testing to deliver products that exceed customer expectations.
FAQ
1.What is the main function of the FZRN25A-12D?
The FZRN25A-12D is designed to interrupt electrical circuits in case of faults, providing high-voltage protection and ensuring system reliability.
2.What industries typically use this appliance?
This appliance is commonly used in power distribution, petrochemicals, metallurgy, and urban infrastructure projects.
3.How does vacuum technology benefit this product?
Vacuum technology reduces the wear on switch contacts, prolongs the lifespan of the equipment, and lowers maintenance costs.
4.Is the FZRN25A-12D customizable?
Yes, we offer OEM services to customize the product according to client specifications.
5.What are the delivery and lead times?
Delivery times may vary based on order volume, but we ensure timely shipment through our efficient supply chain.
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Contact Us
For more information or to place an order, please contact us at austinyang@hdswitchgear.com/rexwang@hdswitchgear.com/pannie@hdswitchgear.com. We look forward to partnering with you to deliver high-quality electrical solutions for your business.
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