Zhongtie electric
> 24 Hrs
100%
Description
KYN61-40.5 is an indoor, air-insulated, armored and metal-clad withdrawable medium-voltage switchgear designed for three-phase AC power systems rated at 40.5 kV. It is used in power plants, substations and industrial or mining facilities for receiving and distributing electrical energy, as well as for circuit control, protection and monitoring. The switchgear can be configured with withdrawable vacuum circuit breakers and incorporates mechanical interlocking for safe operation and maintenance.
Key Specifications:
- Type: Metal-clad armored withdrawable medium-voltage switchgear
- Series: KYN61-40.5
- Rated voltage: 40.5 kV
- Rated frequency: 50 Hz
- Rated current: 630 / 1250 / 1600 / 2000 / 2500 A, depending on configuration
- Rated short-circuit breaking current: 25 / 31.5 kA, with other configurations available
- Short-time withstand current: 25 / 31.5 kA for 4 s
- Rated peak withstand current: 63 / 80 kA
- Power-frequency withstand voltage: 95 kV, 1 min
- Withstand voltage across isolating gap: 115 kV
- Lightning impulse withstand voltage: 185 kV
- Lightning impulse withstand across isolating gap: 215 kV
- Enclosure protection: IP4X
- Protection with compartment door open: IP2X
- Insulation: Air insulated
- Circuit breaker: Withdrawable vacuum circuit breaker, depending on configuration
- Truck mechanism: Screw propulsion mechanism
- Interlocking: Mechanical interlocking between main switch, truck and cabinet
- Control voltage: 110 / 220 V AC/DC, depending on configuration
- Main busbar current: Common configurations include 1250 / 1600 / 2000 A
- Approximate dimensions: around 1400 × 2800 × 2800 mm, depending on configuration
- Approximate weight: 1800–2300 kg, depending on configuration
- Standards: GB/T 3906, GB/T 11022, DL/T 404 and applicable standards
Advantages:
- Designed for 40.5 kV medium-voltage systems
- Armored metal-clad construction
- Withdrawable truck design
- Compatible with vacuum circuit breaker configurations
- IP4X enclosure protection
- Reliable mechanical interlocking
- Spacious cable compartment
- Supports circuit control, protection and monitoring
- Suitable for substations and industrial power distribution
- Configurable according to project requirements
Applications:
- Power plants
- Electrical substations
- Industrial facilities
- Mining enterprises
- 35 kV power distribution systems
- Electrical power receiving and distribution installations
Seller Profile
Company Information
XUZHOU ZHONGTIE ELECTRIC GROUP Electrical Power Equipment Manufacturer (China) About the Company Xuzhou Zhongtie Electric Group is a major Chinese manufacturer founded in 1992 under China's railway administration, specializing in electrical power equipment. The company is a key supplier to State Grid China and China Southern Power Grid. Founded: 1992 Status: National High-Tech Enterprise Assets: 500 million yuan Production Cycle The company operates a complete production cycle — from R&D and design through manufacturing, sales, and after-sales service. Production uses modern laser cutting, robotic welding, and CNC technology. The company has participated in over 500 tenders and public procurements. Business Lines Electrical Equipment — High-voltage switchgear, transformers, and substations manufactured to international standards, including 10–35 kV complete switchgear units, power transformers, and vacuum circuit breakers. New Energy — Transformers, integrated units, and prefabricated cabin substations for wind and solar power stations, as well as energy storage systems. Products are supplied to Asia, Africa, Central Asia, and the Middle East. Key Capabilities R&D Team — 67 patents, own technology center Advanced Manufacturing — Robotic welding, laser cutting Global Supply — Asia, Africa, Central Asia, Middle East Multi-Certification — ISO 9001, 14001, 18001, 3C, GB standards Custom Solutions — Engineering tailored to customer requirements After-Sales Service — Full technical support and maintenance Certifications & Standards ISO 9001, ISO 14001, ISO 18001, 3C Certification, GB1094.1-5, GB/T6451, AAA Rating Product Lines (12 core lines) Oil-immersed power transformer (S11–S22) — 6–35 kV, 50–6300 kVA Dry-type transformer (SCB10–SCB18) — 6–35 kV, 30–7200 kVA Prefabricated compact substation (ZTE-35 kV) Diesel generator sets (ZTE-GEN) — 50–2000 kW KYN61-40.5 metal-clad switchgear (40.5 kV) KYN28A-12 metal-clad switchgear (12 kV) HXGN15-12 ring main unit MNS low-voltage switchboard ZTEM6-12 gas-insulated switchgear (SF6) ZTE-40.5v gas-insulated ring main unit (SF6) Wind-solar integrated transformer Energy storage transformer (ESS) Xuzhou Zhongtie Electric Group is a major Chinese electrical equipment manufacturer operating since 1992, and one of the key suppliers to China's State Grid. The company runs a full production cycle, manufacturing transformers, high- and low-voltage switchgear, substations, diesel generators, and equipment for wind/solar power and energy storage systems. Products are certified to ISO 9001, 14001, 18001, and GB international standards, and are supplied across Asia, Africa, Central Asia, and the Middle East.