KBS-12-2
KBS-12 Series Pad-mounted Switchgear Station
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KBS-12 Series Pad-mounted Switchgear Station(Outdoor RMU)

KBS-12 Series Pad-mounted Switchgear Station (Outdoor Ring Main Unit) adopts and incorporates advanced foreign technology. It integrates a 12kV switchgear, circuit breaker, load break switch, current and voltage transformers, 12kV PT, FTU/RTU for switch station automation, CCU for communication and control, 12kV metering and automatic reading devices, UPS power supply, and indicating instruments.

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Overview

KBS-12 Series Pad-mounted Switchgear Station (Outdoor Ring Main Unit) adopts and incorporates advanced foreign technology. It integrates a 12kV switchgear, circuit breaker, load break switch, current and voltage transformers, 12kV PT, FTU/RTU for switch station automation, CCU for communication and control, 12kV metering and automatic reading devices, UPS power supply, and indicating instruments.

All components are pre-installed, tested, and commissioned inside a movable, sealed, moisture-proof stainless steel enclosure. This design realizes the integration of primary and secondary systems in urban distribution networks, modularizes installation, shortens construction time, and significantly improves the reliability of urban power grid operations.

 

Model and meaning

Technical Specification

Item Unit Technical Requirement
Load Switchgear Combined Electrical Cabinet
Rated Voltage kV 12
Rated Frequency Hz 50
Rated Current A 630 200
Rated Load Breaking Current 630
Rated Short-time Withstand Current (RMS) kA 20
Rated Short-circuit Duration s 3
Rated Peak Withstand Current kA 50 / 63
Closed Loop Breaking Current A 630
Rated Cable Charging Breaking Current 25
Rated No-load Transformer Breaking Current 16
Rated Breaking Transfer Current 1750
Expected Short-circuit Breaking Current of Fuse (RMS) kA 63
Grounding Switch Short-term Withstand Current/Duration 25kA/s
Rated Current Breaking Times Times ≥200
Mechanical Life Times ≥2000
Annual Leakage Rate of SF6 Gas / No more than 1%

 

Overall and Installation Dimensions

NOTE:

  1. Brick walls shall be constructed using M5 cement mortar, with the inside surfaces and the external surfaces above ground finished with 1:2.5 cement mortar plastering.
  2. If the ground floor is located below the groundwater level, waterproofing treatment shall be applied; otherwise, seepage prevention treatment shall be carried out.
  3. Lintels shall be fabricated using Φ6 reinforcement bars and C20 concrete.
  4. The No.8 channel steel base shall be welded and assembled, then subjected to anti-corrosion treatment (the anti-corrosion method to be specified by the user).
  5. The No.8 channel steel base shall be placed in the foundation recess, fixed with bracing bars and concrete.
  6. The user may opt not to construct the cable pit (the section shown within the dashed line) depending on the specific site conditions.

 

Zhejiang Dexuan Technology Co., Ltd.

Company Profile

Zhejiang Dexuan Technology Co., Ltd., founded in 2010 and located in Liushi, the "Electrical Capital" of China, is a growing enterprise integrating the R&D, manufacturing, and application services of power distribution products.

Our main products include complete sets of electrical equipment, mining electrical systems, and chemical explosion-proof power distribution systems. The product portfolio covers power switchgear, automated control cabinets, and distribution boxes, serving industries such as photovoltaic power generation, thermal power grid connection, the State Grid, China Petrochemical, energy and mining, and industrial facility power systems. We have long been dedicated to advancing power distribution applications, transitioning from traditional manufacturing toward intelligent manufacturing.

The company employs over 20 engineering and technical professionals and more than 100 staff members, covering an area of 2,000 square meters. We are committed to technological innovation and the development of green, energy-saving, and environmentally friendly power systems that support renewable energy. Guided by China's "carbon neutrality" strategy, we actively promote solutions for photovoltaics, energy storage, and other clean energy fields, contributing to the nation's carbon-neutral goals.

Adhering to the principles of "Integrity, Quality, and Efficiency", Zhejiang Dexuan Technology Co., Ltd. continuously cultivates technical talent and introduces advanced production equipment to better serve our customers. With the service philosophy of "Customer First", we warmly welcome all new and returning clients to visit and cooperate with us.

ISO Certificate

ENVIRONMENT-MANAGEMENT-SYSTEM-CERTIFICATE_1 OCCUPATIONAL-HEALTH-AND-ASFETY-MANAGEMENT-SYSTEM-CERTIFICATE_1 QUALITY-MANAGEMENT-SYSTEM-CERTIFICATE_1

CE Standard Certificate

ZXM6875-0P240712 MV_VFD_CE2 MV_VFD_CE1

FAQ

  • Q:How do we ensure quality?
    A:Pre-production samples are required before mass production; final inspection is required before shipment.
  • Q:Why should you buy from us instead of other suppliers?
    A: As a company specializing in switchgear manufacturing for 15 years, we hold ISO9001-2015, ISO 45001:2018, and ISO4001:2015 certificates, and comply with IEC, ANSI, KEMA, and GOST standards. We offer high quality, fast delivery, guaranteed after-sales service, and ex-factory prices.
  • Q:What services can we provide?
    A: Accepted delivery terms: FOB, CIF, EXW; Accepted payment currencies: USD, CNY; Accepted payment types: T/T, L/C; Languages used: English, Chinese
  • Q:What can you buy from us?
    A:0.4kV-40.5kV High-Voltage/Medium Voltage Switchgear, Low Voltage Switchgear, Ring Main Unit, Cable junction box, Combined Transformer, Pad-Mounted Transformer, Prefabricated Substations, Kiosk Substations, Soft Starter panel, VFD panel, Motor Control Center, solar combiner box, PFC PanelOil-immersed Power Transformer, Dry-type Transformer

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