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Capacitor vacuum switches PS

Vacuum switch solution for switching medium-voltage capacitors

The PS vacuum switch is a solid dielectric vacuum switch suitable for use in distribution systems up to 38 kV ungrounded. The switch has been specifically designed and tested in accordance with ANSI C37.66 for heavy-duty operation in capacitor-switching applications for the harshest climatic conditions.

The PS15, PS17and PS25 make up the single phase switch range, while the PS36 is a complete three phase switch.

The PS capacitor vacuum switch is designed to reduce lifecycle costs and offer customers true value.
 

Applications

The PS range of capacitor switches are designed for use in capacitor switching applications. They may be used in metal enclosed capacitor banks, outdoor rack banks, or pole top banks (eg, ABB QPole).
 

Why Hitachi ABB Power Grids?

The capacitor vacuum switches come with:

  • Vacuum technology
  • Superior HCEP solid dielectric insulator technology
  • Magnetic actuator leads to few moving parts
  • Maintenance-free
  • 50,000+ CO operations ensure long life

Brief performance data

Model    PS15 PS17 PS25 PS36
Switch type Phase 1 and 3 1 and 3 1 and 3 3
Rated maximum voltage, 50/60 Hz
Ungrounded, line-to-line
kV rms 15.5 17.5 25 38
Impulse withstand voltage
Line-to-ground
kV BIL  125 150 125 and 150 200
Capacitive switching current, 50/60 Hz A 200 and 400  400 200 300
Short time symmetrical withstand current
1.0 second
A 12,500 12,500 12,500 12,500
Nominal open/close time m sec 100 100 100 220
Mechanical endurance (paired operations)   50,000 50,000 50,000 30,000
Restrike category in accordance to IEEE37.66 Class C2 C2 C2 C2
Control voltage range          
    48V DC  V  36...60  36...60  36...60  N/A
    110/120V AC (50/60 Hz) or V DC  V  90...130  90...130  90...130  90...130
    240 V AC (50/60 Hz)  V  205...265  205...265  205...265  205...265
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