11KV Vacuum Interrupter For Outdoor VCB

Model: TD313D, TD314A, TD314B, TD314D, TD315B

Sunway Hanguang (a professional manufacturer)'s core product, the 11KV Vacuum Interrupter for Outdoor VCB, is a dedicated arc extinguishing unit for 11KV outdoor VCBs, covering the VITD 12/630 series and compatible with 50/60Hz systems. With a vacuum degree of ≤1.33×10⁻³Pa, it ensures safe arc extinguishing and zero re-ignition, addressing key pain points in outdoor applications. It has passed numerous authoritative certifications and has been installed in over 50,000 units worldwide. As a reliable supplier, it provides support for 11KV outdoor power distribution in China and globally.

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Product Description

The 11KV Vacuum Interrupter for Outdoor VCB is specifically designed by Sunway Hanguang for outdoor VCBs, leveraging an automated factory and 15 core patents to strictly control vacuum levels and completely solve the problems of weak insulation, easy aging, and complex maintenance associated with traditional products.

This product has passed multiple international and domestic certifications and is recognized by well-known companies such as ABB. It has proven its reliability in extreme outdoor environments and is the preferred choice for 11KV outdoor VCBs worldwide.

Product Specifications

Electrical Ratings (3 Phase) Symmetrical Basis
Model NO.	VITD 12/630-16D	VITD 12/630-20A	VITD 12/630-20B	VITD 12/630-20D	VITD12/630-25B
Rated Frequency	50/60Hz
Rated Maximum Line to Line Voltage	12kV,r.m.s
Rated Power Frequency Withstand Voltage:Air	42kV,r.m.s
Rated Impulse Withstand Voltage:Air	95kV,Peak
Rated Normal Current	630A
Rated Short-Circuit Current(3Phase Symmetrical Basis)	16kA,r.m.s	20kA,r.m.s
Percentage D.C. Component of Rated S.C. Breaking Current	0.5
Rated Short-Circuit Making Current	40kA,Peak
Rated Duration of Short Time Current	4s
Rated Short-Time Withstand Current	16kA,r.m.s	20kA,r.m.s
Rated Peak Withstand Current	40kA,r.m.s	50kA,r.m.s
Maximum Contact Resistance at Minimum Closing Force	20Micro ohms
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-0.3s-co-180s-co
MECHANICAL DATA
Interrupter Weight(Approx.)	1.53kg	2.09kg	1.73kg	2.48kg	1.73kg
Moving Part Weight(Approx.)	0.49kg	0.49kg	0.49kg	0.67kg	0.49kg
Closing Force due to Bellow and Atmospheric	80±40N
Force Required to Hold Contacts open at Full Stroke	120±50N
MECHANICAL REQUIREMENTS(REF. VCB)
Contact Stroke	9±1 mm
Opening Speed(average of 75 contact gap)	1.1±0.2m/Sec
Maximum Overtravel During Opening	2mm
Maximun Rebound During Opening	2mm
Closing Speed(average of last 30% contact gap)	0.6±0.2m/Sec
Maximum Contact Bounse Duration(with maximum 2 bounces)	≤2ms
Rated Contact Compressive Force	1600±200N
LIFE (ESTIMATED)
Electrical Life at Rated Normal Current	50,000Operations
Electrical Life at Rated Short Circuit Current	100Operations
Mechanical Life	50,000Operations
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

The 11KV Vacuum Interrupter for Outdoor VCB is optimized for harsh outdoor environments, offering outstanding advantages: Cu-Cr alloy contacts ensure stable arc extinguishing, imported bellows provide reliable sealing (annual leakage rate <0.5%), and a 50,000-cycle lifespan requires no maintenance; the composite housing provides IP65 protection, suitable for wide temperature ranges and high altitudes, with excellent weather resistance; rigorous quality control and modular design ensure easy installation and timely after-sales service.

Product Application Scenarios

The 11KV Vacuum Interrupter for Outdoor VCB is suitable for all 11KV outdoor power distribution scenarios, widely used in urban and rural power grids, wind and solar power plants, industrial parks, rail transit, and energy storage systems. The product has no SF₆ emissions, complying with environmental regulations, and provides reliable support for global 11KV smart grids.

Frequently Asked Questions

1. Customization Services: Supports international and domestic standard customization, provides OEM/ODM services, and conventional models ship within 7 days, compatible with mainstream VCB equipment.

2. Quality Assurance: Core components are carefully selected, automated factory quality control is implemented, and products are traceable via QR code.

3. Warranty and After-Sales Service: 10-year limited warranty, with global service points providing 24/7 technical and maintenance support.

4. Installation Notes: Moisture-proof and impact-resistant packaging; installation is suitable for outdoor environments; it is recommended to complete voltage and mechanical tests after installation.

11KV Vacuum Interrupter For Outdoor VCB