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Company Profile

Wankong Group CO., LTD.
[China]

Address:
Wenzhou Bridge Industrial Park,Yueqing City,Zhejiang province Wenzhou Zhejiang 325603 China

Phone:
86-577-62872328

Contact name:
Jeff Chen , International trade maneger

Wankong Group CO., LTD.

Products

	ZN85-40.5 Indoor Vacuum Circuit Breaker

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Model Number

Zn85-40.5

1. General:
ZN85-40.5（3AV3）Indoor high voltage vacuum circuit breaker rated voltage 40.5KV，three-phase AC 50Hz，It is used to protect and control electrical equipment in the industrial & mineral enterprise, power plant and substation as well as to switch in frequent in the operation places. This products conforms to the national standard GB1984/JB3855 /DL402.IEC600656?igh-voltage alternate current circuit breaker? And the product has passed the test of high voltage electric quality monitoring center.
2. Service Environment
2.1Environmental temperature is from:-15~40°C;
2.2Environmental humidity:
Daily average of relative humidity≤95%
Daily average saturated vapor pressure≤2.2?0-3Mpa
Monthly average of relative humidity≤90%
Monthly average saturated vapor pressure≤1.8?0-3Mpa
2.3 No operating in such environment as subject to dust, dirt, smog, corrosive/flammable gas, vapor and salt pollution.
3. Technical data
3.1Main technical parameter
3.1.1 Rated voltage: 40.5KV;
3.1.21MIN power frequency withstand voltage (virtual value):95kv
3.1.3 Lighting impulse withstand voltage (peak):185Kv
3.1.4 Rated frequency: 50Hz
3.1.5 Rated current: 1250-2000A
3.1.6 Rated short-time withstand current (4S): 25-31.5Kv
3.1.7 Rated peak withstand current (peak):63-80Kv
3.1.8 Rated short-circuit making order: 63-80Kv
3.1.9 Rated operation order: O-0.3S-CO-180S-CO40.5
3.1.10 Rated short-circuit breaking current times: 20 times
3.1.11 Rated breaking current of capacitor bank: 630A
3.1.12 Mechanical life: 10000 times
3.2After the whole circuit breaker is finished adjusting, it shall accord with parameters listed in table.
3.2.1 Clearance between open contacts:20±2
3.2.2 Over stroke:7.5±1.5
3.2.3 Allowed wearing thickness for over stroke contact: 3mm
3.2.4 Average closing speed:0.65±0.15
3.2.5 Average opening speed (contact separate 10mm)
3.2.6 Bounce time for contact closing:≤3 ms
3.2.7 Three-phase contact closing asynchronously):≤2ms
3.2.8 Three-phase contact opening asynchronously: ≤2ms
3.2.9 Bounce amplitude value of opening contact: ≤2mm
3.2.10 Cushion stroke of the buffer:13±1mm
3.2.11 Loop Resistance: ≤50uΩ
3.3Technical parameter of energy storage motor of operating mechanism
3.3.1Type: HDZ-22301B
3.3.2 Rated Voltage: DC110V, DC220V,,AC100V,AC220V
3.3.3 Rated export power: ≤230W
3.3.4 Normal operating voltage: 85%-110%Rated voltage
3.4.parating of opening closing trip
3.4.1 Rated operating voltage: DC110, DC220
3.4.2 Rated operating current: 1.05, 0.96
3.4.3 Rated Power:＜115，＜210
3.4.4 Coil resistance at 20°C：105±3,230±5
3.4.5 Normal operating voltage range: 65%-120% of rated operating voltage, reliably open, when lower than 30% of rated operating voltage, can not open.