Capswitcher – Southern States 15.5 kV-38 kV CapSwitcher User Manual
Page 3
Title: Southern States 15.5 kV - 38 kV
CapSwitcher
®
Vertical Interrupter Style Capacitor Switcher
Product Specification
Guide
Page 3 of 8
Publication No.: PSG-809-101714
3.02 Ratings
3.02.01 General Specifications
Rated Maximum Voltage
15.5 kV
27 kV
38 kV
Rated Power Frequency Withstand
Voltage
50 kV
60 kV
80 kV
Rated Lightning Impulse Withstand
Voltage (BIL)
110 kV
150 kV
200 kV
Rated Power Frequency
50/60 Hz
Rated Continuous Current
600 A
Short Circuit Making Current
40 kA RMS
Peak Withstand Current
104 kA
Short-Time Symmetrical Withstand
40 kA RMS 2 sec
Rated High-Frequency Transient-
Making Current / Transient Inrush
Frequency
42 kA peak / 8100 Hz
Rated Short Circuit Interrupting
Current
N/A
Rated Duty Cycle
Close Time (ms) – C – 6 cycles – O – 15 sec
Voltage Close Time (ms) Variation (ms)
120 VAC
44
+/- 9
125 VDC
44
+/- 1
48 VDC
55
+/- 3
(Capacitor bank must be discharged to below 10%
before closing is allowed.)
CAPACITOR SWITCHING RATINGS (IEEE C37.09a-2005)
Rated Capacitive Switching Current
600 A
Back-to-Back Capacitor Bank
Breaking Current
600 A
Rated High-Frequency Transient-
Making Current / Transient Inrush
Frequency
23 kA peak / 5400 Hz
Capacitive Discharge Withstand
33 kA Peak @ 63 kHz
Resistor Value
See Table in 3.03.01
Pre-insertion time 5-12 ms