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TriSync Three-Phase Vacuum Capacitor Switch
Ratings and specifications
Check switch ratings before installation
The TriSync capacitor switch must be applied within its
specified ratings. Check data plate ratings and compare with
the system characteristics at the point of application prior to
installation. Table 1 list the ratings and specifications for the
TriSync capacitor switch.
Table 1 . Ratings and specifications
Voltage Class
Switch Type
Rated Maximum Voltage, 50/60 Hz
Ungrounded capacitor banks, L-L (kV)
Solidly grounded capacitor banks, L-L (kV)
Impulse Withstand Voltage
Open contact kV (BIL)
Line to ground (kV BIL)
Withstand Voltage, 50/60 Hz
Power Frequency Dry Withstand (kV)
Power Frequency Wet Withstand (kV)
Continuous current 50/60 Hz (A)
Capacitive switching current 50/60 Hz (A)
Fault making peak current (A)
Symmetrical fault making current (A)
Withstand peak current (A)
Short-time symmetrical withstand current (A)
High frequency transient making peak current (A)
Rated transient inrush frequency (Hz)
Creepage Distance
Terminal to terminal (mm)
Terminal to ground (mm)
Operating Voltage Range, 50/60 Hz**
110/120 Vac (V)
240 Vac (V)
Nominal Control Current
110/120 Vac
240 Vac
Open and close cycle time (msec)
Assembly weight, excluding control box (lb/kg)
Operating temperature range
Mechanical operations
Aux. Contact Rating
110/120 Vac (A)
240 Vac (A)
110/120 Vdc (A)
* The 15.6 kV rated TriSync capacitor switch is available with an optional high frequency transient making peak current of 12 kA. Contact factory for additional information.
** Contact factory for more information regarding dc control voltages.
Note: The durability of the TriSync capacitor switch was demonstrated by completing a minimum of 50,000 mechanical operations after performing the
Mechanical Life Test in accordance with IEEE Std C37 .66™ standard. One operation is defined as 1 close and 1 open operation.
2
InstallatIon and operatIon InstructIons MN230011EN January 2023
Ratings
All ratings meet or exceed values in IEEE Std C37 .66™
standard for a distribution-class switch, where applicable.
15 kV
25 kV
110 BIL
150 BIL
15.6
25
27
38
95
125
110
150
50
70
45
60
200,400
200
200,400
200
15,000
15,000
6,000
6,000
15,000
15,000
4,500
4,500
9,000/12,000*
9,000
6,000
6,000
600
813
610
813
75-130
75-130
150-260
150-260
27
27
18
18
100/100
100/100
225/102
225/102
–40 °C to +60 °C
–40 °C to +60 °C
50,000
50,000
15
15
15
15
0.20
0.20
38 kV
200 BIL
38
66
200
200
70
60
400
400
32,500
12,500
32,500
6,250
10,000
6,000
1,628
1,696
95-130
N/A
36 open, 24 close
N/A
125/100
475/215
–40 °C to +55 °C, –50 °C consult product line
50,000
15
N/A
0.20
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