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zn63 series medium voltage circuit breaker-0

Circuit gratis Medium Voltage

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ZN63 series Mediae intentionis circa ruptor

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It can also be equipped with a special pushing mechanism to form a handcart unit for use.

The main circuit part can adopt an integral solid-sealed pole column to achieve miniaturization, high reliability, and maintenance-free operation of the circuit breaker.

It can be equipped with KYN series and other middle-mounted handcart-type switchgear cabinets.

The fixed type can also be used with HXGN fixed switchgear cabinets.

It can also be equipped with a special pushing mechanism to form a handcart unit for use.

The main circuit part can adopt an integral solid-sealed pole column to achieve miniaturization, high reliability, and maintenance-free operation of the circuit breaker.

It can be equipped with KYN series and other middle-mounted handcart-type switchgear cabinets.

The fixed type can also be used with HXGN fixed switchgear cabinets.

 

Exeat signa

 

GB1984-2003 Princeps intentione AC circuit ruptor

DL/T402-2007 High intentione AC circuit ruptor ordinans condiciones technicas

IEC60056 Alta intentione AC circuit ruptor

 

Typus descriptio

 

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Normalis servitium conditio

 

Ambient temperature: not higher than 40℃ and not lower than -10℃ (storage and transportation at -30℃ are allowed).

Altitude: not exceeding 1000m. (If a higher altitude is required, the rated insulation level should be correspondingly increased.)

Relative humidity: the daily average value is not greater than 95%, and the daily average value of the saturated vapor pressure is MPa, and the monthly average value is not greater than 1.8x10 square millimeters.

Seismic intensity: not exceeding magnitude 8.

Places without fire, explosion, severe pollution, chemical corrosion, and intense vibration.

 

euismod parametri

 

Serial numerus nomine unum Data
rated voltage kV 12
2 Maximum operating voltage kV 12
3 rated current A 6301250 63012501600200025003150 125016002000250031504000
4 Rated short-circuit breaking current (rated thermal stable current-RMS) kA 20/25 31.5 40
5 Ratum ambitus brevis currentis claudendi (apicem) kA 50/63 80 100
6 Rated peak withstand current (rated dynamic stable current -peak) kA 50/63 80 100
7 45 rated short-circuit withstand current kA 20/25 31.5 40
8 Ratedmaximu Working voltage (rated before and after breaking)/1minpower frequency voltage Ground 42(fracture 48)
mMarginaI level Impulse withstand voltage (rated before and afterbreaking)/Peak rated lightning impulse withstand voltage kV Ground to ground 75(fracture 85)
9 Rated scelerisque stabilitatis tempore S
10 Rated operating seriem Minute -0.3S-combined minute-1805-combinedminute
11 vita mechanica tempus 20000
12 Ratum est brevis circuitus fractionis currentis temporum fractionis tempus 50
13 Rated closing voltage of operating mechanism (DC) V AC. DC 110,220
14 Rated switching voltage of operating mechanism (DC) V AC. DC 110,220
15 Contactus foramen spatium mm 11 ± 1
16 overtravel(contact spring compression length) mm 3.5 ± 0.5
17 Three phase,closing bounce time ms s2
18 Contactus claudendo REPENTE tempus ms ≤2
19 Mediocris ostium celeritas m / s 0.9-1.2
Mediocris claudendo velocitate m / s 0.5-0.8
20 foramen tempus, At the highest operating voltage S ≤0.05
21 At the lowest operating voltage ≤0.08
22 claudendo nunc S 0.1
23 Main circuit resistance of each phase μQ 630≤50 1250≤45
24 Allowable wear accumulation thickness of dynamic and static contacts mm 3

 

Rated current (A) 630 1250 Ratum est vena (A) 630 1250
Rated short circuit breakingcurrent (kA) 20,25,31.5 25.31.5 Rated short circuit breakingcurrent (kA) 20,25,31.5 25.31.5
Fit static contact size(mm) 035 049 Fit static contact size(mm) Ø35 049
Interphase distance(mm) 275 ± 1.5 Interphase distance(mm) 275 ± 1.5

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