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FZW28-12F series AC high voltage demarcation vacuum automatic recloser

FZW28-12F series AC high voltage demarcation vacuum automatic recloser

FZW28-12F series AC high voltage demarcation vacuum automatic recloser

Product descriptiononsists of 3 parts: vacuum circuit breaker; controller; control power source.Adopt microprocessor and digital display panel, convenient for human-computer interaction. All parameters can be adjusted, adding GPRS,GSM communication s
Published in2018-08-04
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Detailed description

Product description

FZW28-12F series AC high voltage demarcation vacuum automatic recloser consists of 3 parts: vacuum circuit breaker; controller; control power source.
Adopt microprocessor and digital display panel, convenient for human-computer interaction. All parameters can be adjusted, adding GPRS,GSM communication systems make closing & breaking operation and remote communication via mobile.


Application conditions

Ambient temperature: -40oC ~ + 85oC
Altitude ≤ 2000m
Max wind speed ≤25m/s
Max diary temperature difference: 25oC
No frequent  horrible sharp shock

Features

1. Automatically switch single-phase wiring earth failure

2. Automatically isolate short-circuit between phase

3. Fast locating failure point

4. Monitoring circuit voltage, current, frequency and power, can transfer to managing center.

5. Suitable for RMU net.



Main technical parameters

name unit parameter
Work power V 50HZ,AC220V
20%
Power Waste W 6W
Voltage transformer V.VA 250V,0.05VA
Current transformer A.VA 1A,0.1VA
The zero sequence current transformer A.VA 1A,0.1VA
Output contact capacity A.V 2A/230V DC
Load control S 60S
Lock time MS <600A:160MS;>600A
Zero sequence current setting A 0.4A-2.0A
Zero sequence current setting time S 0.6V-15S
Insulation resistance 500,DV1000V
Insulation voltage V AC:2000V
Rated voltage frequency KV,HZ 12,50
Rated current A 630
Icw KA 50
Rated closing current KA 20KA/16A,4S
Rated frequency withstand voltage to ground /interphase/fracture KV 42/42/49
Lighting impulse withstand voltage to ground /interphase/fracture KV 75/75/85
Insulation resistance 2000
Mechanical life, electric life under rated current time 10000,5000
weight kg 198/195
SF6 gas pressure/annual leak rate 1%
CT change 630:  1
Zero sequence current CT change 20:   1
Zero sequence voltage discriminator ZPD Ma,DEC 2,-180o---+180o
Power transformer SPS KV/V 10.5/230,100

Installation




Single pole mount




Double pole mount


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