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Home > Electrical & Electronics > Power Supply & Distribution > Switchgear > 3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current thumbnail-3

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current thumbnail-4

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current thumbnail-5

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current photo-1

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current photo-2

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current photo-3

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current photo-4

3 Phase SF6 Load Break Switch Disconnector for Indoor High Voltage Applications, 630A/1250A Rated Current photo-5

Product Spotlights

This 3 Phase Indoor SF6 Load Break Switch Disconnector offers safe, maintenance-free load switching and visible isolation for high-voltage systems. Featuring superior SF6 arc quenching, rated currents of 630A/1250A, and optional motorized operation, it ensures reliable performance in compact indoor spaces like substations and industrial plants, enhancing safety and reducing lifetime costs.

US$ 450 ≥10 Units

Key Specifications

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Type:

Indoor SF6 Load Break Switch Disconnector

Rated Voltage:

Up to 40.5kV

Rated Current:

630A, 1250A

Contact Supplier Request Quote Chat Now

Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Type Indoor SF6 Load Break Switch Disconnector

Rated Voltage Up to 40.5kV

Rated Current 630A, 1250A

Number of Phases 3

Insulation Medium SF6 Gas

Operating Mechanism Manual or Motorized Spring

Application Indoor High Voltage Distribution Systems

Mounting Style Fixed or Withdrawable

Brand Jinhua Dika

As a specialized manufacturer of high-voltage electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. proudly presents our advanced 3 Phase SF6 Load Break Switch Disconnector, engineered specifically for reliable indoor high-voltage applications. With a robust annual export value and a commitment to stringent quality management systems, we design this switch to provide a safe, maintenance-free, and highly dependable solution for your power distribution and control needs. Its core value lies in offering superior arc-quenching performance and exceptional operational safety in a compact, indoor-compatible design, making it an ideal choice for substations, industrial plants, and commercial power systems.

Detailed Product Features and Technical Specifications:

This indoor SF6 Load Break Switch Disconnector is built to handle demanding high-voltage environments with ease. Below are its key characteristics and advantages:

Superior Arc Quenching: Utilizing SF6 (Sulfur Hexafluoride) gas as the insulation and arc-quenching medium, the switch ensures rapid and effective extinction of the electric arc during load breaking operations. This significantly enhances safety and protects downstream equipment.
Maintenance-Free Operation: The sealed SF6 gas chamber is designed for long-term reliability, requiring minimal to no maintenance over its service life, which reduces total cost of ownership and operational downtime.
High Breaking Capacity: Capable of safely making and breaking rated load currents (630A or 1250A) under normal circuit conditions, providing reliable switching performance.
Compact Indoor Design: Engineered specifically for indoor installation, featuring a space-saving footprint that is ideal for switchgear panels, cubicles, and compact substations where space is at a premium.
Visible Isolation: Functions as a disconnector, providing a clear, visible break in the circuit for safe isolation during maintenance, ensuring personnel safety.
Robust Construction: Manufactured with high-quality materials and components to ensure mechanical durability and long-term electrical performance.
Flexible Configuration: Available with either a manual spring-operated mechanism or an optional motorized spring-operated mechanism for remote or automated control, enhancing operational flexibility.

Technical Parameters Table:

Parameter	Specification
Rated Voltage (kV)	12, 24, 40.5
Rated Current (A)	630, 1250
Rated Short-Time Withstand Current (kA/s)	25/3, 31.5/3
Rated Peak Withstand Current (kA)	63, 80
Insulation Medium	SF6 Gas
Mechanical Life (Operations)	10,000
Operating Mechanism	Manual Spring / Motorized Spring (Optional)
Mounting Style	Fixed or Withdrawable

Benefits for Our Clients:

Enhanced Safety: The combination of SF6 insulation and visible isolation drastically reduces the risk of electrical faults and ensures a safe working environment for maintenance personnel.
Operational Reliability: Consistent performance in making, breaking, and isolating circuits contributes to the overall stability and uptime of your power distribution network.
Space Optimization: The indoor design allows for efficient use of valuable floor space in electrical rooms and substations.
Reduced Lifetime Costs: The maintenance-free nature and long mechanical life lead to lower operational and maintenance expenses over the product's lifecycle.
Application Versatility: Suitable for a wide range of indoor high-voltage applications, including ring main units, transformer feeder circuits, and sectionalizing points in distribution networks.

Backed by Jinhua Dika's established manufacturing expertise and a global export presence across markets including North America, Southeast Asia, Europe, and Africa, you can trust in the consistent quality and performance of our SF6 Load Break Switch. Our adherence to recognized quality frameworks underpins our commitment to delivering reliable electrical solutions. This switch embodies our dedication to innovation, safety, and customer satisfaction, providing a critical component for modern, efficient power systems. For detailed technical drawings, specific configuration options, or to discuss your project requirements, please contact our team for a professional consultation.

Frequently Asked Questions (FAQ):

Q: What is the primary advantage of using an SF6 Load Break Switch over a vacuum or air-insulated switch?
A: The SF6 gas provides excellent dielectric strength and superior arc-quenching properties in a compact space. This results in a smaller, more reliable, and maintenance-free switch compared to air-insulated types, with better performance for frequent load switching than some vacuum alternatives at specific voltage levels.
Q: Is this switch suitable for both making and breaking load currents?
A: Yes, it is specifically designed as a Load Break Switch, meaning it is rated to safely make (close onto) and break (open under) its rated load current (630A or 1250A) under normal operating conditions.
Q: Can this disconnector provide visible isolation for maintenance safety?
A: Absolutely. One of its key functions is as a disconnector. When in the open position, it provides a clear, visible air gap isolation point, which is essential for safely locking out and isolating a circuit for maintenance work, complying with safety standards.
Q: What are the available control options for the operating mechanism?
A: The switch is typically supplied with a manual spring-operated mechanism for local manual operation. For integration into automated systems or remote control, a motorized spring-operated mechanism is available as an optional feature.
Q: What is the typical application environment for this indoor switch?
A: It is designed for controlled indoor environments such as switchgear rooms, prefabricated substations, industrial plant electrical centers, and commercial building power distribution panels. It is not designed for outdoor exposure without additional protective enclosures.
Q: How is the SF6 gas sealed, and what is its expected service life?
A: The switch features a hermetically sealed, welded stainless steel or aluminum alloy tank that contains the SF6 gas. This sealed-for-life design ensures gas integrity for the operational lifetime of the switch, which is typically aligned with its mechanical life of 10,000 operations, under normal conditions.
Q: Are different mounting styles available?
A: Yes, to suit various switchgear designs, it can be configured as a fixed version, permanently wired into the panel, or as a withdrawable version, which allows the switch unit to be physically racked in and out of its compartment for easier maintenance and testing.
Q: What support do you offer for technical specifications and integration?
A: As a manufacturer, Jinhua Dika provides comprehensive technical documentation, including dimensional drawings, wiring diagrams, and performance curves. Our engineering team is available to assist with integration questions and can discuss custom requirements based on your specific project needs.