GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker
GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker image
Brand Name :
Suntech
Model Number :
ZN85-40.5
Certification :
ISO
Place of Origin :
Ningbo,China
MOQ :
1 PCS
Price :
Negotiation
Payment Terms :
L/C , T/T, Western Union, MoneyGram
Supply Ability :
20000 pcs per month
Delivery Time :
30-35 days after Payment
Packaging Details :
Exported Wooden Boxes
Type :
Vacuum Circuit Breaker
Rated Voltage :
40.5KV
Ambient temperature :
-40°C-+40°C
Altitude :
≤1000m
BCD Curve :
A
Rated Frequency :
50/60HZ
High Voltage 40.5KV Indoor Vacuum Circuit Breaker
ZN85 indoor hghvoltage alternating-current vacum crcit breaker has a frequency of 50Hz and a rated vlage of 40.5kv. It aplies to the electrical equipment control and protection in industrial and mining enterprises, power plants and substations, particularly to the places needing frequent operatin. It can be fixed in a switch cabinet or itatled on a handcart.
With stable performance and convenient inalatin, it is the best choice for the control and protecion of high-voltage power trasmission and distribution systems.
Overall dimension of ZN85 -40 5(insulating cylinder handcart) indoor high-voltage alternating-current circuit breaker
1.1 Technical parameters
| ltem | Unit | Reference value | |
| Rated voltage | kV | 40.5 | |
| Rated insulation level | Lightning impulse withstand voltage | kV | 185 |
| 1min power-frequency withstand voltage | kV | 95 | |
| Rated frequency | Hz | 50/60 | |
| Rated current | A | 630/1250/1600/2000/2500/3150 | |
| Rated short-circuit breaking current | kA | 20/25/31.5 | |
| Rated short-circuit making current (peak value) | kA | 50,63,80 | |
| Rated short-time withstand current | kA | 20/25/31.5 | |
| Rated withstand current (peak value) | kA | 50,63,80 | |
| Required operation sequence | O-0.3s-CO-180s-CO | ||
| Rated short-circuit duration | s | 4 | |
| Times of making-breaking with the rated short-circuit current | Times | 30 | |
| Mechanical life | M2 level | ||
| Weight | kg | 350 | |
1.2 Mechanical parameters
| Item | Unit | Reference value |
| Gap of contacts | mm | 20±2 |
| Contact overtravel | mm | 6±1 |
| Average making speed | m/s | 0.6±0.2 |
| Average breaking speed | m/s | 1.5-2.0 |
| Bounce time in contact making | ms | ≤3 |
| Non-synchronous making/breaking of contact | ms | ≤2 |
| Resistance of the circuit of each phase | μΩ | ≤80 |
| Permissible total wear thickness of the movingfixed contact | mm | 3 |
| Standard |
1. IEC 62271-100 High-voltage aternatingcurrent crcuit-reakers3.6 kV and less than 40.5 kV 2. GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards 3. GB 1984 High-voltage ateratingcrrent crcuitbreakers 4. GB 311.1 Insulation co-ordination for high voltage transmission and distribution equipment |
| Operating conditions |
1. Ambient temperature: – 40℃-+40℃ (below 35℃ within 24 hours) 2. Relative humidity:≤95% (daily average) or≤90% (monthly average) 3. Altitude: ≤1000m |
We are China GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.
Tags: 40.5KV High Voltage Circuit Breaker, 40.5KV Indoor Vacuum Circuit Breaker, 50Hz Indoor Vacuum Circuit Breaker, Vacuum Circuit BreakerSimilar Or Related
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