36KV Vacuum Interrupter For Recloser

Model: TD545K

Sunway Hanguang 36KV Vacuum Interrupter For Recloser is a core arc extinguishing unit specifically designed for high-voltage automatic reclosers. The core model is VITD 36/2000-26.3K, compatible with 50/60Hz systems, with a vacuum degree of ≤1.33×10⁻³Pa, achieving arc-free interruption. As a professional manufacturer with over fifty years of experience in the electrical industry, the company leverages advanced equipment and core patents to create this product, which has passed numerous authoritative tests and is widely used in high-voltage power distribution scenarios worldwide, gaining recognition from well-known domestic and international companies.

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Product Description

The 36KV Vacuum Interrupter For Recloser is a core arc extinguishing unit customized by Sunway Hanguang for high-voltage automatic reclosers. The core model is VITD 36/2000-26.3K, with a strictly controlled vacuum degree of ≤1.33×10⁻³Pa, enabling arc-free interruption and zero re-ignition, specifically addressing the stringent requirements of high-frequency operation in reclosers.

Sunway Hanguang relies on a fully automated factory built with equipment imported from Germany and Japan, holding over 50 core patents. The product has passed ISO system certification and numerous authoritative tests, complying with international and domestic standards. With over 150,000 units installed globally, it demonstrates the strength of a professional supplier, and the 36KV Vacuum Interrupter For Recloser is a representative product of the company's core advantages.

Product Parameters

ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS
Model NO.	VITD 36/2000-26.3K
Rated frequency	50/60Hz
Rated Voltage	40.5kV,r.m.s
Rated short-time power-frequency withstand voltage (1 min)	95kV,r.m.s
Rated lightning impulse withstand voltage	185kV,Peak
Rated Current	2000A
Circuit resistance at lowest rated contact force	≤20Micro ohms
Rated short-circuit breaking Current	25kA,r.m.s
Rated short-time withstand current	25kA,r.m.s
Rated duration of short-circuit	4s
Rated peak withstand current	63kA,r.m.s
Rated short-circuit making Current	63kA,r.m.s
Max. Dc component	0.4
Rated breaking current of single capacitor bank	630A,r.m.s
Rated breaking current of back-to-back capacitor bank	400A,r.m.s
Rated operating sequence	O-0.3(0.5)s-CO-180s-CO
MECHANICAL DATA
Interrupter Weight(Approx.)	8.23kg
Weight of movable parts	3.74kg
Closing force due to bellow and atmosphere	170±40N
Force required to hold contacts open at full stroke	320±50N
MECHANICAL REQUIREMENTS(REF. VCB)
Clearance between open contacts	18±2mm
Average opening speed(average of first 75% of contact gap)	1.6±0.3m/Sec
Average closing speed(average of last 30% of contact gap)	1.3±0.2m/Sec
Rated added external contact final force	2500±200N
Contact bouncing duration at closing operation	≤2ms
Closing and Opening non-simultaneity of three-phase Contacts	≤2ms
Maximum Rebound during opening	≤2mm
LIFE
Electrical Life at Rated Normal Current	20,000Operations
Electrical Life at Rated Short Circuit Current	50Operations
Mechanical Life	30,000Operations
Contact Erosion Limit	3mm
Shelf Life	20Years
Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-200 and JB 8738-2008.
Rated Characteristics to be given on request

Product Features and Advantages

1. Excellent Arc Extinguishing and Electrical Performance

Using high-purity Cu-Cr alloy contacts, the current limiting value is <3A, with strong anti-welding properties. The single capacitor bank breaking current reaches 630A, and the contact erosion is low, ensuring the long-term stable operation of the 36KV Vacuum Interrupter For Recloser.

2. Long-lasting Sealing and Ultra-long Lifespan

Equipped with imported bellows, the annual leakage rate is <0.5%, with a mechanical life of 30,000 cycles and an electrical life of 20,000 cycles, achieving long-term maintenance-free operation and significantly reducing operation and maintenance costs.

3. Excellent Protection and Environmental Adaptability

High-strength ceramic casing with excellent insulation performance, resistant to wide temperature ranges and high altitudes, and IP67 protection rating. It operates stably in various extreme working conditions and is suitable for diverse application scenarios of 36KV Vacuum Interrupters for Reclosers.

4. Strict Quality Control and Convenient Maintenance

Each product undergoes 15 comprehensive inspections, with QR code traceability, resulting in a field failure rate of <0.006%. The modular design facilitates replacement, and is supported by global 7x24 hour response service for convenient maintenance.

Product Applications

The product is widely used in 35KV power distribution networks, new energy grid connection points, and other scenarios, performing tasks such as fault reclosing and load switching. It is SF₆-free, complying with environmental regulations, and provides stable solutions for both domestic Chinese and overseas projects.

Frequently Asked Questions

- Customization Services: Supports multiple standards, provides OEM/ODM services, with conventional models shipped within 20-35 days, compatible with mainstream equipment.

- Quality Assurance: Core components are selected from well-known brands, with full-process quality control and QR code traceability.

- Warranty and After-Sales Service: 10-year limited warranty, with technical and maintenance support provided by global service centers.

- Installation Notes: Moisture-proof and shock-proof packaging. Installation must comply with relevant requirements. Pressure and mechanical characteristics tests are recommended after installation.

36KV Vacuum Interrupter For Fast Switch