ZW43-12(G)/630-20 Outdoor high-voltage vacuum circuit breakers permanent magnet
Technical Specification
|
No. |
Item |
Units |
Parameters |
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|
1 |
Rated voltage |
kV |
12 |
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|
2 |
Rated insulation level |
1min power frequency withstand voltage |
Dry test(on the ground, white,fracture) |
42/48 |
|
|
Wet test |
34 |
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|
Lightning impulse withstand voltage(peak, white/ fracture) |
75/85 |
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|
3 |
Rated current |
A |
630 |
||
|
4 |
Rated short circuit breaking current |
kA |
20 |
||
|
5 |
Rated operating sequence |
|
O~0.3-CO-180S-COS |
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|
6 |
Rated short-circuit breaking current breaking times |
Times |
30 |
||
|
7 |
Rated short-circuit current(peak) |
kA |
50 |
||
|
8 |
Rated peak withstand current |
||||
|
9 |
Rated short time withstand current |
20 |
|||
|
10 |
Rated short duration |
S |
4 |
||
|
11 |
Sub explain time |
0.040~0.060 |
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|
12 |
Closing time |
0.070~0.120 |
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|
13 |
Mechanical lifeA |
Times |
10 |
||
|
14 |
Rated operating voltage closing |
V |
AC/DC 220/110 |
||
|
15 |
Rated voltage switching operation |
AC/DC 220/110 |
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|
16 |
Overcurrent protection |
Current setting multiples |
|
0.2~2.5 |
|
|
Setting current tolerance |
|
±10% |
|||
|
Delay setting value |
S |
0~5 |
|||
|
Delay tolerance |
|
±10% |
|||
|
17 |
Interruption Protection |
Current setting multiples |
|
2.5-10 |
|
|
Setting current tolerance |
|
±10% |
|||
|
Delay setting value |
S |
0-0.5 |
|||
|
Delay tolerance |
|
±10% |
|||
|
18 |
AC charging auxliary control unit into the current |
RATINGS |
A |
5 |
|
|
Fluctuation range |
A |
0.5~8 |
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Product Model
Dimension
Product Functions
◆Comprehensive Current Breaking: Safely breaks load currents, overload currents, and short-circuit currents in 12kV power systems.
◆Substation & Outlet Switching: Ideal for 10kV substation applications and three-phase AC power system outlet switching.
◆Permanent Magnetic Actuation: Features single-stable permanent magnetic actuator for reliable, maintenance-free operation with minimal moving parts.
◆Intelligent Control Integration: Combines control and protection functions in a "mechatronics" smart switch design with flexible action programming.
Applicable Environment
◇Extreme Temperature Range: Reliable operation from -40℃ to +40℃ for year-round performance.
◇High-Altitude Capability: Designed for elevations up to 3000 meters (higher altitudes available upon request).
◇Wind Resistance: Engineered for wind speeds up to 34m/s.
◇Pollution Level: Suitable for air pollution levels up to class IV.
◇Ice Resistance: Withstands ice thickness up to 10mm.
◇Air Quality: Suitable for locations free from corrosive gases, flammable vapors, and significant pollution.
Product Highlights
◆Innovative "Mechatronics" Design: Integrates vacuum switch body, permanent magnetic actuator, and intelligent controller into unified smart switchgear with combined control and protection.
◆Advanced Permanent Magnetic Actuator: Single-stable mechanism reduces moving parts versus traditional springs, eliminating complex linkages and improving long-term reliability.
◆Flexible Intelligent Control: Offers convenient, customizable action program setting modes with broad programming capability for specific applications.
◆Proven Breaking Performance: Reliably interrupts load, overload, and short-circuit currents using vacuum arc-extinguishing technology for clean, maintenance-free operation.
◆Extreme Environmental Capability: Engineered for -40℃ to +40℃, altitudes up to 3000m, class IV pollution, and 10mm ice withstand in harsh outdoor conditions.
◆High Reliability & Safety: Permanent magnet design with intelligent control delivers exceptional safety and reliability for critical power distribution applications.