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Product details
Station Post Composite Insulator
What is a station post insulator?
Station post (SP) insulators found in power processing equipment in power plants and substations support cables and other equipment, isolating them from the ground. SP insulators support each device; several can be connected to form an insulating column.
● Application: Fix energized conductor;
● Color: Red, Brown, Gray, or Customer's requirement;
● Applicable Standard: IEC, GB, BS, ANSI, AS, or Customer's requirement;
● Excellent mechanical and electrical properties,
●Hydrophobic properties of the silicone rubber insulation cover ensure high resistance to dirt and self-cleaning properties;
●Lower risk of mechanical damage during transport, assembly and operation;
●Resistance to UV radiation, ozone, and moisture;
●Shock and impact resistance – suitable for use in areas of seismic activity;
●Capable of carrying specific torsional loads.
Specification
Rated System Voltage (kV) |
Section Length (mm) |
Arcing Distance (mm) |
Creepage Distance (mm) |
Specific Creepage Distance |
Specified Cantilever Load (kN) |
Specified torsional Load (kN·m) |
Specified Tensile Load (kN) |
Lightning Impulse Withstand Voltage (kV) |
Power Frequency Withstand Voltage (kV) |
|
Dry |
Wet |
|||||||||
35 |
560 |
≥400 |
1260(e)/1020(d) |
53.7(e)/43.3(d) |
6 |
4 |
10 |
≥200 |
100 |
80 |
35 |
560 |
≥400 |
1260(e)/1020(d) |
53.7(e)/43.3(d) |
12.5 |
6 |
10 |
≥200 |
100 |
80 |
66 |
770 |
≥600 |
2250(e)/1820(d) |
53.7(e)/43.3(d) |
6 |
4 |
10 |
≥325 |
175 |
140 |
66 |
770 |
≥600 |
2250(e)/1820(d) |
53.7(e)/43.3(d) |
12.5 |
6 |
10 |
≥325 |
175 |
140 |
110 |
1150 |
≥900 |
3910(e)/3150(d) |
53.7(e)/43.3(d) |
8 |
4 |
10 |
≥450 |
250 |
200 |
220 |
2300 |
≥1900 |
7820(e)/6300(d) |
53.7(e)/43.3(d) |
8 |
4 |
10 |
≥950 |
490 |
395 |
220 |
2300 |
≥1900 |
7820(e)/6300(d) |
53.7(e)/43.3(d) |
12.5 |
6 |
10 |
≥950 |
490 |
395 |
220 |
2300 |
≥1900 |
7820(e)/6300(d) |
53.7(e)/43.3(d) |
16 |
6 |
10 |
≥950 |
490 |
395 |
330 |
3650 |
≥3000 |
11260(e)/9080(d) |
53.7(e)/43.3(d) |
10 |
4 |
10 |
≥1175 |
635 |
510 |
750 |
7200 |
≥6500 |
24800(e)/20000(d) |
53.7(e)/43.3(d) |
12.5 |
6 |
10 |
≥2100 |
1200 |
960 |
Order Information: ①Voltage grade; ②Specified mechanical load; ③Creepage distance; ④Power frequency withstand voltage; ⑤Lightning impulse withstand voltage; ⑥Insulation distance; ⑦Coupling type Ps. Different design could be supplied as customer requirements |

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