Vacuum Circuit Breaker VCB Pole Mounted Automatic Circuit RecloseZW32 12 Type Outdoor High voltage Vacuum Circuit Breaker
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- Supplier: Zhejiang Yimin Electric Technology Co. Ltd.
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Product Overview
Description
ZW32-12 Vacuum Circuit Breaker
ZW32-12 vacuum circuit breaker (below) is an outdoor high-voltage distribution equipment with a rated voltage of 12KV and
three-phase AC 50Hz. ZW32-12 is mainly used for breaking and closing load current, overload current, and short circuit current in
power systems of transmission and transformation lines. Suitable for protection and control in substations and distribution
systems of industrial and mining enterprises, and more suitable for urban and rural power grid construction, renovation, and
frequent operation places.
Instructions for ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker
1. The ZW32-12 outdoor high-voltage vacuum circuit breaker adopts a three-phase pillar structure, which has stable and reliable
breaking performance, no combustion and explosion hazards, maintenance free, small size, light weight, and long service life.
2. The ZW32-12 outdoor high-voltage vacuum circuit breaker adopts a fully enclosed structure with good sealing performance, which
helps improve moisture-proof and anti-condensation performance, and is particularly suitable for use in cold or humid areas.
3. The three-phase pillars and current transformers adopt imported outdoor epoxy resin solid insulation, or indoor epoxy resin
wrapped with organic silicone rubber solid insulation; It has characteristics such as high and low temperature resistance, UV
resistance, and aging resistance.
4. The operating mechanism adopts a miniaturized spring operating mechanism, with low energy storage motor power and low energy
consumption for opening and closing; The mechanism transmission adopts the real motion transmission method, with a small number of
components and high reliability. The operating mechanism is placed in a sealed mechanism box, solving the problem of rusting of
the operating mechanism and improving the reliability of the mechanism.
5. The opening and closing operations of the circuit breaker can be manually or electrically operated, as well as remotely
controlled. It can be matched with intelligent controllers to achieve distribution automation, and can also be combined with
reclosing controllers to form automatic reclosers and segmented devices.
6. Circuit breakers can be equipped with two-phase or three-phase current transformers for overcurrent or short-circuit
protection, and can also provide current acquisition signals to intelligent controllers; According to user requirements, current
transformers for metering can be installed.
7. The ZW32-12 outdoor high-voltage vacuum circuit breaker can be equipped with a three-phase interlocking isolation switch. When
the isolation switch is open, there is a visible fracture, and it has an anti error interlocking device with the circuit breaker
body. The circuit breaker can only be operated when the isolation switch is fully closed or fully opened. It can be connected with
lightning arrester post insulators for easy maintenance.
ZW32-12 Vacuum Circuit Breaker Series Mainstream Models:
Zw32-12, zw32-12FG/630, zw32-12f/630, zw32-12g/630, zw32-12g/630-20, zw32-12g/630-25, zw32-1
breaking performance, no combustion and explosion hazards, maintenance free, small size, light weight, and long service life.
2. The ZW32-12 outdoor high-voltage vacuum circuit breaker adopts a fully enclosed structure with good sealing performance, which
helps improve moisture-proof and anti-condensation performance, and is particularly suitable for use in cold or humid areas.
3. The three-phase pillars and current transformers adopt imported outdoor epoxy resin solid insulation, or indoor epoxy resin
wrapped with organic silicone rubber solid insulation; It has characteristics such as high and low temperature resistance, UV
resistance, and aging resistance.
4. The operating mechanism adopts a miniaturized spring operating mechanism, with low energy storage motor power and low energy
consumption for opening and closing; The mechanism transmission adopts the real motion transmission method, with a small number of
components and high reliability. The operating mechanism is placed in a sealed mechanism box, solving the problem of rusting of
the operating mechanism and improving the reliability of the mechanism.
5. The opening and closing operations of the circuit breaker can be manually or electrically operated, as well as remotely
controlled. It can be matched with intelligent controllers to achieve distribution automation, and can also be combined with
reclosing controllers to form automatic reclosers and segmented devices.
6. Circuit breakers can be equipped with two-phase or three-phase current transformers for overcurrent or short-circuit
protection, and can also provide current acquisition signals to intelligent controllers; According to user requirements, current
transformers for metering can be installed.
7. The ZW32-12 outdoor high-voltage vacuum circuit breaker can be equipped with a three-phase interlocking isolation switch. When
the isolation switch is open, there is a visible fracture, and it has an anti error interlocking device with the circuit breaker
body. The circuit breaker can only be operated when the isolation switch is fully closed or fully opened. It can be connected with
lightning arrester post insulators for easy maintenance.
ZW32-12 Vacuum Circuit Breaker Series Mainstream Models:
Zw32-12, zw32-12FG/630, zw32-12f/630, zw32-12g/630, zw32-12g/630-20, zw32-12g/630-25, zw32-1
Serial number | Order | Unit | Numerical value | |||
1 | Rated electric jade | kv | 12 | |||
2 | Rated rate | HZ | 50 | |||
3 | Rated current | A | 630 | |||
4 | Rated short-circuit breaking current | KA | 20 | |||
5 | Rated current | KA | 50 | |||
6 | Rated short time withstand current (4S) | KA | 20 | |||
7 | Rated short-circuit making current (peak value) | KA | 50 | |||
8 | Institutional lifespan | Times | 10000 | |||
9 | Rated current breaking times | Times | 10000 | |||
10 | Rated short-circuit breaking current breaking times | Times | 30 | |||
11 | 1min Gongnaiyu (wet) | KV | 34 | |||
12 | (Dry) Interphase, ground to ground/fracture | KV | 42/48 | |||
13 | Lightning impulse withstand current (peak value) Interphase, ground to ground/new interface | KV | 75/85 | |||
14 | Secondary circuit 1min Gongnaiyu | KV | 2 | |||
mechanical properties | ||||||
1 | Contact distance | mm | 8-10 | |||
2 | Overtravel | mm | 2-3 | |||
3 | Fractional velocity | ms | 1.0-1.4 | |||
4 | Convergence speed | ms | 0.6-0.8 | |||
5 | Jump time between contacts | ms | ≤ 2 | |||
6 | Center distance between phases | mm | 338-342 | |||
7 | Different phases between three-phase opening and closing | ms | ≤ 2 | |||
8 | Resistance of each phase electrical circuit | <80 | ||||
9 | Resistance of each phase electrical circuit with isolation switch | <150 | ||||
10 | one hundred and fifty | ms | 30-60 | |||
11 | Split time (shunt trip) | ms | 20-40 | |||
12 | Rated power of energy storage machine | w | 40 | |||
ZW32 Structural characteristics
2.1 The circuit breaker is composed of three-phase pillars and mechanism boxes, with a simple and clear structure. The three-phase
pillars and current transformers are insulated with outdoor epoxy resin solid or silicone rubber, which has advantages such as
high and low temperature resistance, UV resistance, and aging resistance; Adopting a miniaturized spring operating mechanism, the
energy consumption for opening and closing is low. The transmission output of the mechanism adopts the spindle sliding mode,
without torque loss, with fewer opening and closing transmission components and high reliability; The current transformer is
installed on the moving end outgoing line, making maintenance and replacement convenient.
This circuit breaker can be equipped with an isolation switch, three-phase linkage, and has obvious visible fractures when the
isolation switch is open. It has anti error interlocking with the circuit breaker body, making maintenance convenient and safe.
2.2 The high-voltage vacuum circuit breaker equipped with a vacuum arc extinguishing chamber has stable and reliable breaking
performance, and is free from combustion and explosion hazardsFeatures include insurance, safety, maintenance free, small size, light weight (<100kg), and long service life.
2.3 The circuit breaker adopts a fully enclosed structure with good sealing performance, moisture-proof and anti-condensation
properties, and is suitable for use in high-temperature and humid areas.
2.4 The closing and opening of the circuit breaker can be manually and electrically operated, as well as remotely operated. It can
be matched with a controller to achieve distribution automation, and can also be combined with a reclosing controller to form a
reclosing device.
The operating mechanism is novel, simple, reliable in operation, small in size, and has a lifespan of up to 10000 times.
2.6 The installation method of circuit breakers can be single pole or double pole.
3. Installation, Use, and Maintenance
3.1 After unpacking, the insulation cover of the circuit breaker on the column should be checked for damage, and the product
nameplate and certificate of conformity should be checked to ensure they match the actual product.
Before putting the column mounted circuit breaker into operation, it is necessary to carefully check whether the rated voltage and
rated current of each operating element match the actual situation. And conduct testing operations using the closing and opening
methods provided by the mechanism to check whether all indicators are correct.
3.3 The circuit breaker can be erected on a single pole as shown in the figure.
3.4 The circuit breaker on this column, due to its special design structure, ensures that users are free from maintenance for a
long time during use.
3.5 Users are not allowed to replace or use electrical components that are inconsistent with the original model and specifications
36. The staff of the playground have a preliminary understanding of the performance, installation, adjustment, and maintenance of
the mechanism, and provide guidance on operational issues. If necessary, the manufacturer can be notified.
4. Transportation, receipt and storage
41 Transportation
The entire unit must be packed in a sealed packaging box and secured during transportation. During transportation, anti vibration
measures must be taken to prevent overturning or tilting
42 yuan
After receiving the pole mounted circuit breaker, proceed as follows:
421 Check if the packaging is damaged
pillars and current transformers are insulated with outdoor epoxy resin solid or silicone rubber, which has advantages such as
high and low temperature resistance, UV resistance, and aging resistance; Adopting a miniaturized spring operating mechanism, the
energy consumption for opening and closing is low. The transmission output of the mechanism adopts the spindle sliding mode,
without torque loss, with fewer opening and closing transmission components and high reliability; The current transformer is
installed on the moving end outgoing line, making maintenance and replacement convenient.
This circuit breaker can be equipped with an isolation switch, three-phase linkage, and has obvious visible fractures when the
isolation switch is open. It has anti error interlocking with the circuit breaker body, making maintenance convenient and safe.
2.2 The high-voltage vacuum circuit breaker equipped with a vacuum arc extinguishing chamber has stable and reliable breaking
performance, and is free from combustion and explosion hazardsFeatures include insurance, safety, maintenance free, small size, light weight (<100kg), and long service life.
2.3 The circuit breaker adopts a fully enclosed structure with good sealing performance, moisture-proof and anti-condensation
properties, and is suitable for use in high-temperature and humid areas.
2.4 The closing and opening of the circuit breaker can be manually and electrically operated, as well as remotely operated. It can
be matched with a controller to achieve distribution automation, and can also be combined with a reclosing controller to form a
reclosing device.
The operating mechanism is novel, simple, reliable in operation, small in size, and has a lifespan of up to 10000 times.
2.6 The installation method of circuit breakers can be single pole or double pole.
3. Installation, Use, and Maintenance
3.1 After unpacking, the insulation cover of the circuit breaker on the column should be checked for damage, and the product
nameplate and certificate of conformity should be checked to ensure they match the actual product.
Before putting the column mounted circuit breaker into operation, it is necessary to carefully check whether the rated voltage and
rated current of each operating element match the actual situation. And conduct testing operations using the closing and opening
methods provided by the mechanism to check whether all indicators are correct.
3.3 The circuit breaker can be erected on a single pole as shown in the figure.
3.4 The circuit breaker on this column, due to its special design structure, ensures that users are free from maintenance for a
long time during use.
3.5 Users are not allowed to replace or use electrical components that are inconsistent with the original model and specifications
36. The staff of the playground have a preliminary understanding of the performance, installation, adjustment, and maintenance of
the mechanism, and provide guidance on operational issues. If necessary, the manufacturer can be notified.
4. Transportation, receipt and storage
41 Transportation
The entire unit must be packed in a sealed packaging box and secured during transportation. During transportation, anti vibration
measures must be taken to prevent overturning or tilting
42 yuan
After receiving the pole mounted circuit breaker, proceed as follows:
421 Check if the packaging is damaged
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