It can be widely used in power plants, substations, metallurgy, petrochemical, manufacturing and other places as a protection and control unit for electrical equipment;Used with KYN61-40.5 switch cabinet.
Executive standard:
GB/T1984 High Voltage Alternating Circuit Breaker
JB/T3855 "high voltage AC vacuum circuit breaker"
DL/T403 "12kV-40.5kV high voltage vacuum circuit breaker ordering technical conditions"
Q/MG653.1-2021 12kV-40.5kV indoor high-voltage AC vacuum circuit breaker
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- Description
- Parameter Table
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- Commodity name: ZN85 Series VCB
Suitable for three-phase AC, 50Hz, rated voltage of 40.5kV power system;<br> It can be widely used in power plants, substations, metallurgy, petrochemical, manufacturing and other places as a protection and control unit for electrical equipment;Used with KYN61-40.5 switch cabinet.<br> Executive standard:<br> GB/T1984 High Voltage Alternating Circuit Breaker<br> JB/T3855 "high voltage AC vacuum circuit breaker"<br> DL/T403 "12kV-40.5kV high voltage vacuum circuit breaker ordering technical conditions"<br> Q/MG653.1-2021 12kV-40.5kV indoor high-voltage AC vacuum circuit breaker
Product Model
Normal use environment
◆Ambient temperature: -15~40 ℃, daily average temperature not more than 35 ℃.
◆ Humidity: the average value of relative humidity measured within 24 hours is ≤ 95%; The average value of water vapor pressure measured within 24 hours is ≤ 2.2kPa; The average monthly relative humidity is ≤ 90%; The average monthly water vapor pressure is ≤ 1.8kPa.
◆ Altitude ≤ 1000m.
◆ Sunlight radiation can be ignored.
The surrounding air is not obviously polluted by dust, smoke, corrosive or flammable gas, steam or smoke.
Structural features
◆ The circuit breaker adopts the overall arrangement structure with the arc extinguishing chamber on the top and the mechanism on the bottom, which is conducive to debugging;
The air and organic materials composite insulation structure, compact design, light weight;
◆ Lead screw drive mechanism, labor-saving, stable, good self-locking performance, and an overrunning clutch device.
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Main technical parameters
Serial Number Name Single-seat Parameters 1 Rated voltage kV 41. 2 Rated frequency Hz 50 3 Rated insulation level 1min power frequency withstand voltage (effective value) kV 95 (interphase, opposite ground/vacuum fracture) Lightning impulse withstand voltage (peak) kV 185 (interphase, opposite ground/vacuum fracture) 4 Rated current A 630、1250、1600、2000 630、1250、1600、2000、2500 5 Rated short-circuit breaking current kA 25 31.5 6 Rated short-time withstand current (rated short-time thermal stability current) kA 25 31.5 7 Rated short-circuit closing current kA 63 80 8 Rated peak withstand current (rated dynamic stability current) kA 63 80 9 Rated short circuit duration (rated thermal stability time) S 4 10 Rated operating sequence Points -0.3s-combined points -180s-combined points 11 Rated short-circuit current breaking times Times 20 12 Mechanical life Times 10000 13 Rated breaking current of single capacitor bank A 630 14 Rated back-to-back capacitor bank breaking current A 400 15 out-of-phase grounding fault breaking current kA 27.4 16 Allowable cumulative wear thickness of moving and static contacts mm 3 17 Contact opening distance mm 20±2/18±2 (solid seal) 18 Overtravel mm 7.5±1.5 19 Three-phase opening and closing different ms ≤ 2 20 Bounce time of closing contact ms ≤3 21 Average brake speed (just 10mm) m/s 1.8±0.2/1.6±0.2 (solid seal) 22 Average closing speed m/s 0.6±0.2/0.7±0.2 (solid seal) 23 Bounce amplitude of opening contact mm ≤ 2 24 Buffer buffer stroke mm 13± 25 Main circuit resistance of each phase (including contact arm) μΩ ≤50 Technical parameters of the closing brake electromagnet
Serial Number Name Single-seat Parameters 1 Rated operating voltage V AC/DC220 AC/DC220 2 Rated operating current A 1.05 0.96 3 Rated power W 115 211 4 Coil resistance value at 20 ℃ Ω 105±3 230±5 5 Normal operating voltage range Closing 85% ~ 110 rated operating voltage Opening 65% ~ 120 rated working voltage should be reliable tripping,
Less than 30% of the rated operating voltage will not be tripping.
Technical parameters of energy storage motor
Name Parameters Model ZYJ-66-3AV3 Rated voltage (V) DC110、220/AC220、110 Rated output power (W) ≤ 230 Normal operating voltage range 85% ~ 110 rated operating voltage
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Address:
338 Jinhai Avenue, Wenzhou Economic and Technological Development Zone, Zhejiang Province
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Tel: +86 577 5757 7217
Fax: +86 577 5757 7216
E-mail: sales@murge-electric.com
Add: 338 Jinhai Avenue, Wenzhou Economic and Technological Development Zone, Wenzhou,Zhejiang ,China
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