40.5kV Air-Insulated Switchgear
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Conpany Profile
Product Details
XD Baoji Electric Co.,Ltd is one of the leading China 40.5kv air-insulated switchgear manufacturers and suppliers, as a professional company, our factory is able to produce quality 40.5kV AIS, 40.5kv air-insulated switchgear products at competitive price.
Product Description
KYN61-40.5 series indoor AC metal enclosed switchgear is three-phase A.C 50Hz indoor complete distributing equipment with the voltage range 12KV. It is used for power plant to transmit power and used for electricity system, industrial and mineral enterprise to receive and distribute power.
The structure of this switchgear is metal enclosed, withdrawable truck, the frame of the enclosure is made of steel plates which surface is covered by aluminum and Zinc, multiple bending and built-up with bolt. It can be equipped with VXB-40.5?VXB-40.5P series vacuum circuit breaker, withdrawable truck with leading screw and nut mechanism, safe and reliable. The wrong operation can be avoided due to its function of the ‘FIVE PROVENTION’. It can meet the standard requirments of IEC62271-200?IEC62271-1?GB3906?GB/T11022 etc.
Overall dimension (W×D×H mm):1400(1200/1680/1860)×2800(3000/3200/3400/3600)×2600(2850/2950)
Features of Product
Altitude above sea level 3500m and below.
Current rating up to 2500 A/31.5kA.
Internal arc classified (IAC):AFLR,31.5kA/1s.
Equipped with VXB-40.5P series vacuum circuit breaker with embedded poles, with independent intellectual property.
The internal barriers are made up of steel plate, and the loss of service continuity category (LSC) can meet the requirments of LSC2B.
Technical Parameters
Item | Unit | Data | ||
Rated voltage | kV | 40.5 | ||
Rated current | A | 1250?1600?2000?2500 | ||
Rated frequency | Hz | 50 | ||
Rated Short-time withstand current | Main circuit | kA/4s | 25?31.5 | |
Earthing switch | kA/4s | 25?31.5 | ||
Earthing connect circuit | kA/2s | 21.8?27.4 | ||
Rated peak withstand current | Main circuit | kA | 63?80 | |
Earthing switch | kA | 63?80 | ||
Earthing connect circuit | kA | 54.5?68.5 | ||
Degree of protection | Enclosure | IP4X | ||
Compartment | IP2X | |||
Rated insulation level | Rated power-frequency withstand voltage | kV/1min | 95 | |
Rated lightning impulse withstand voltage | kV | 185 | ||
IAC | kA | 31.5 | ||
Duration | s | 1 | ||
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