PLB-12/24 SF6 load break switch is a HV electrical equipment of high reliability and maintenance-free,
with rated voltage 12kV/24kV and rated frequency 50Hz,
applicable for 10kV distribution line as load regulation & control as well as distribution automation system. T
Description
PLB-12/24 SF6 load break switch is a HV electrical equipment of high reliability and maintenance-free, with rated voltage 12kV/24kV and rated frequency 50Hz, applicable for 10kV distribution line as load regulation & control as well as distribution automation system. There are two types for the product: manual and motor-driven type.
Technical Parameter
|
Item |
Unit |
Data |
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|
12kV |
24kV |
36kV |
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|
Rated Current |
A |
630 |
630 |
630 |
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|
Rated Voltage |
kV |
12 |
24 |
26 |
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|
Rated Insulation Level |
1 min Power Frequency Withstand Voltage |
Dry) |
42/49 |
50/65 |
70/90 |
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|
Wet |
34 |
55 |
65 |
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|
Lightning Impulse Withstand Voltage (Peak) |
75/85 |
125/145 |
150/175 |
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|
Rated Frequency |
Hz |
50/60 |
50/60 |
50/60 |
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|
Rated Short-circuit Closing Current (Peak) |
kA |
50 |
63 |
63 |
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|
Rated Short-time Withstand Voltage (4s) |
20 |
25 |
25 |
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|
Rated Peak Withstand Current |
50 |
63 |
63 |
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|
Rated Operating Voltage (Controller) |
V |
AC220 |
AC220 |
AC220 |
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|
Auxiliary Circuit Rated Voltage |
DC24 |
DC24 |
DC24 |
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|
Mechanical Life |
times |
3000 |
5000 |
5000 |
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|
SF6 Rated Air Pressure (20°C) |
MPa |
≤0.71 |
≤0.71 |
≤0.71 |
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|
SF6 Rated Annual Leak Rate |
% |
≤0.5 |
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|
Operation Mode |
|
Spring Operation (Manual/Electric) |
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