35kv 36kv Rmu Sf6 Load Break Switch Indoor Branch Type Lbs
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Product Highlights
- Three-position design integrates closing, opening, and earthing states in a single epoxy resin shell to prevent manual maloperation during switchgear maintenance.
- APG cast epoxy resin encapsulation ensures full insulation and dual-break rotary moving contact configuration for reliable 36kV power frequency withstand voltage.
- Gas tightness control retains internal SF6 gas pressure at 0.04-0.05 MPa with an annual leakage rate below 0.5%, minimizing internal flashover risks.
Product Attributes
- Customization
- Available
- Breaking Capacity
- High Voltage Circuit Breakers
- Operation
- Manual Type
- Model NO.
- FLN36-35kV/630A -230mm
- Speed
- High-Speed Circuit Breaker
- Arc-extinguishing Medium
- SF6
- Installation
- Fixed
- Structure
- Load Break Switch
- Poles Number
- 3
- Type
- Load Break Switch
- Function
- Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
- Certification
- ISO9001-2000
- Product Name
- Sf6 Load Break Switch
- Work Position
- Closed, Open, Earth
- Phase Distance
- 230mm
- Rated Voltage
- 40.5kv
- Rated Current
- 630A
- Rated Short Circuit Breaking Current
- 20ka
- Mechanism Type
- Manual
- OEM
- Accept
- Transport Package
- Standard Export Packaging
- Specification
- 35kV
- Trademark
- Liyond
- Origin
- China
- Package Size
- 170.00cm * 60.00cm * 120.00cm
- Package Gross Weight
- 180.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 35kv 36kv Rmu Sf6 Load Break Switch Indoor Branch Type Lbs
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Product Description
35kV RMU SF6 Load Break Switch Indoor Branch Type LBS

The sf6 load break switch is suitable for closing and breaking load currents and overload currents in the ring network power supply or double amplitude power supply system of three-phase AC 50/60Hz, rated voltage 24/40.5kV, and can also be used for closing and breaking no-load long lines, no-load transformers and capacitor banks, etc. The combination of load switch and current-limiting fuse in series can be used instead of circuit breaker, i.e. the load switch is responsible for closing and breaking various load currents, while the current-limiting fuse is responsible for breaking larger overload currents and short-circuit currents.
Features.
1. Good insulation performance, the load switch is sealed by the epoxy resin casted upper and lower enclosure, the main circuit and grounding circuit system are all placed inside the shell.
2. Good safety performance, if an internal burning arc occurs, there is a structural weak point at the back of the shell, it will be flushed open, and then the arc relief valve above the cabinet flushes open and directs the overpressure airflow outside the cabinet.
3. Manual and electric operation are available, easy and reliable to operate.
4.Three-phase overall installation, good periodicity, small number of parts, easy to adjust and install, simple and easy, maintenance-free, long life.
Normal working Environment
1. Altitude: ≤1000m
2. Ambient temperature at -30ºC to +40ºC, the daily average temperature should not more than 30ºC.
3. The daily average of relative humidity is less than 95%, the average monthly is less than 90%.
4. Working environment should be without steam, gas, chemical corrosive deposition, salt fog, dust, dirt and other dangerous explosive media, which will severely impact on insulation and conductivity of products.
5. Working environment should not be regular vibration or serious bumps.




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About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI223330". Items marked "" are certified.
Company Profile
Yueqing Liyond Electric Co., Ltd. Was established in 2011, with its headquarters located in Yueqing, Zhejiang Province - known as the "Capital of Electrical Equipment" in China. To continuously expand our business scale, the company established Hangzhou Liyond Electric Co., Ltd. In 2024 as a branch to further extend our business footprint. As a professional enterprise specializing in the research, development, and production of medium and high voltage switchgear and components, we have been deeply engaged in the power transmission and distribution field for over 15 years, committed to providing customers with high-quality products and services.
We specialize in the manufacturing and distribution of KYN28 switchgear, ring main units, gas-insulated switchgear, and associated equipment components. With continuous innovation and technological advancements in both application and development, Liyond Electric has successfully obtained more than 10 proprietary patents to date.
Our products are exported to regions including the United States, Europe, South America, Africa, Central Asia, Southeast Asia, and the Middle East. We have established long-term cooperative relationships with globally renowned enterprises such as ABB, Schneider Electric, Eaton, GE, Cooper, TEL, and CG. With our high-quality products and stringent standards, we have gained extensive recognition in the international market.
We possess an exceptional management team and a dedicated technological innovation team. Guided by customer needs and centered on industry standards and professional expertise, we implement quality control throughout the entire production and process control system. Based on the principle of mutual benefit and win-win cooperation, we have earned extensive trust and support from our clients.
Liyond Electric will continue to deepen its market presence, drive technological advancement through innovation, accelerate intelligent transformation, actively expand its global perspective, and strive to become a leading brand in the industry both domestically and internationally.
We warmly welcome customers from all over the world to establish cooperation and create a better future.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 1801, building 2, 3 and 4, headquarters economic Park, No. 6688, Xuyang Road, Chengdong street, Yueqing City, Zhejiang Province
-
Plant Area
- 1100 square meters
-
Number of Employees
- 18
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port, Shanghai Port
Our Production Capability & Technical Expertise
-
Main Products
- Medium and High Voltage Switchgear, Switchgear Accessories, Vacuum Vircuit Breaker, Vacuum Circuit Breaker Accessories, Earthing Switch, Load Break Switch, Auxiliary Switch, Conductive Parts, Insulation Parts
-
R&D Engineers
- 2 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-04-07
- Export Year
- 2011-04-07
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- What is the rated short-time withstand current for this 36kV Load Break Switch?
- The FLN36-35 36kV Load Break Switch provides a rated short-time withstand current of 20kA for a 3-second duration, and a rated peak withstand current of 50kA, ensuring stability under fault conditions in 35kV RMU switchgear.
- How does the integrated earthing switch ensure interlocking safety in the Ring Main Unit Switch?
- This Three Position LBS utilizes a single shared spring operating mechanism that mechanically interlocks the "Close, Open, and Earth" positions. The mechanism physically blocks simultaneous engagement of the main switch and the earthing circuit.
- Can the manual operating mechanism of this SF6 Switch Disconnector be upgraded to motorized operation?
- Yes. This SF6 Switch Disconnector supports both standard manual spring operation and motorized installation. An external AC/DC 220V electric motor mechanism can be factory-fitted to enable remote control.
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