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Product Details:
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| Rating Voltage: | 40.5KV | Rating Current: | 630A/1600A/2000A |
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| Rating Frequency: | 50Hz | Standerds: | IEC |
| OEM/ODM: | Available | Manufactory: | KNKONG |
| High Light: | 33KV Medium Voltage Metal Clad Switchgear,IEC Medium Voltage Metal Clad Switchgear,iec medium voltage switchgear |
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Product Introduction
KYN61-40.5 Metal-enclosed switchgear 3P AC 50Hz, rated voltage of 40.5kV suitable for power plant, substation, and power distribution to industrial and mining enterprises, railway transportation as the acceptance and distribution of electric energy. And the implementation of control, protection, and monitoring function of the circuit. The utility model has the advantages of flexible operation, reliable electrical performance, long service life, convenient maintenance.
KNY61-60.5 can be equipped with ABB/Schneider/Knkong series 40.5KV VCB.
Service environment:
a) Air temperature: -25℃~+40℃
b) Humidity: Monthly average humidity 95%; Daily average humidity 90%.
c) Altitude2500m
d) Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
e) No frequent violent shake
Technical data
| Items | Unit | Data | |
| Rated Voltage | KV | 40.5 | |
| Rated Frequency | Hz | 50 | |
| Rated Current | A | 1250,1600,2000 | |
| Rated Short-circuit Breaking Current | KA | 25,31.5 | |
| Rated Making Current (Peak) | KA | 63,80 | |
| 4s Thermal Stability Current | KA | 25,31.5 | |
| Rated Dynamic Current (Peak) | KA | 63,80 | |
| Rated Insulation Level | 1min Power Frequency Withstand Voltage (r.m.s) | KV | 95 |
| Lightning Impulse Withstand Voltage (Peak) | KV | 185 | |
| 1min Power Frequency Voltage Across the open gap (r.m.s) | KV | 118 | |
| Lightning Impulse Withstand Voltage Across the open gap (Peak) | KV | 215 | |
| Enclosure Protection Class |
Enclosure IP4X, Between Compartments IP2X |
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| Enclosure Dimension (Width*Depth*Height) | mm | 1400*2800*2600 1600*2800*2600 |
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| Type of Circuit Breaker | VCB: ZN85-40.5 SF6 Circuit Breaker |
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*Note: order switchgear should provide SLD(Single-line diagram) by customer
Main components characteristics:
VS1-40.5 Indoor Vacuum Circuit Breaker
Rated voltage: 40.5kV
Rated current: 630 1250 1600 2000 2500A
Rated short circuit breaking current: 20 25 31.5KA
Mechanical life: 20,000 times
VS1-40.5 Technical data
| Items | Unit | Date |
| Rated voltage |
KV |
40.5 |
| Rated short-time power frequency withstand voltage (1min) | 95 | |
| Rated lightning impulse withstand voltage (peak) | 185 | |
| Rated freq | Hz | 50/60 |
| Rated current | A | 1250 1600 2000 2500 4000 |
| Rated short-circuit drop-out current | KA | 25 31.5 |
| Rated short-time withstand current | 25 31.5 | |
| Rated short-time continual time | s | 4 |
| Rated peak withstand current | KA | 63 80 |
| Rated short-circuit closing current | 63 80 | |
| Rated single/ back-to-back capacitor bank drop-out current | A | 630/400 |
| Opening time (rated volt.) | ms | 35~60 |
| Closing time (rated volt.) | 50~100 | |
| Mechanical life | times | 20000 |
| Rated break times for rated short drop-out current | s | 20 |
| Rated operation voltage | V | AC110/220 DC110/220 |
| Rated current of power storing motor | W | 230 |
| Average opening speed | m/s | 1.6~2.0 |
| Average closing speed | 0.5~0.8 | |
| Rated operation procedure |
opening-0.3s-closing opening-180s-closing opening |
Knkong Electric 33KV switchgear has served the international market for over 10 years.
Appreciate the hard work of our professional electrical engineering team, the international evaluation of our 33kv switchgear is positive.
Contact Person: Ken Chan (English)
Tel: 0086 13938551009
