2
TriSync Three-Phase Vacuum Capacitor Switch
InstallatIon and operatIon InstructIons
MN230011EN January 2023
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.
Ratings
All ratings meet or exceed values in IEEE Std C37.66™
standard for a distribution-class switch, where applicable.
Table 1 . Ratings and specifications
Voltage Class
15 kV
25 kV
38 kV
Switch Type
110 BIL
150 BIL
200 BIL
Rated Maximum Voltage, 50/60 Hz
Ungrounded capacitor banks, L-L (kV)
15.6
25
38
Solidly grounded capacitor banks, L-L (kV)
27
38
66
Impulse Withstand Voltage
Open contact kV (BIL)
95
125
200
Line to ground (kV BIL)
110
150
200
Withstand Voltage, 50/60 Hz
Power Frequency Dry Withstand (kV)
50
70
70
Power Frequency Wet Withstand (kV)
45
60
60
Continuous current 50/60 Hz (A)
200,400
200
400
Capacitive switching current 50/60 Hz (A)
200,400
200
400
Fault making peak current (A)
15,000
15,000
32,500
Symmetrical fault making current (A)
6,000
6,000
12,500
Withstand peak current (A)
15,000
15,000
32,500
Short-time symmetrical withstand current (A)
4,500
4,500
6,250
High frequency transient making peak current (A)
9,000/12,000*
9,000
10,000
Rated transient inrush frequency (Hz)
6,000
6,000
6,000
Creepage Distance
Terminal to terminal (mm)
600
813
1,628
Terminal to ground (mm)
610
813
1,696
Operating Voltage Range, 50/60 Hz**
110/120 Vac (V)
75-130
75-130
95-130
240 Vac (V)
150-260
150-260
N/A
Nominal Control Current
110/120 Vac
27
27
36 open, 24 close
240 Vac
18
18
N/A
Open and close cycle time (msec)
100/100
100/100
125/100
Assembly weight, excluding control box (lb/kg)
225/102
225/102
475/215
Operating temperature range
–40 °C to +60 °C
–40 °C to +60 °C
–40 °C to +55 °C, –50 °C consult product line
Mechanical operations
50,000
50,000
50,000
Aux. Contact Rating
110/120 Vac (A)
15
15
15
240 Vac (A)
15
15
N/A
110/120 Vdc (A)
0.20
0.20
0.20
* 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.
