Designed for use in AC tank circuits or specialty DC filter circuits. All-film or metallized dielectric. Tin plated, copper studs rated for up to 300 Amps continuous. Electrical grade phenolic bushings for indoor application. Long life, 20 year nominal life. Low loss, less than 0.3 watts per kVAR up to 5 kHz; less than 0.5 watts per kVAR up to 50 kHz. Special dielectric system designs for high efficiency. GE dielectric fluids; Dielektrol (trademark) V (DK-VI) for metallized dielectrics; Dielktrol VII (DK-VIIa) for all-film dielectrics. Tin plated copper terminals rated for up to 300 Amps rms, continuous. For designs that employ a pressure switch, they are supplied with a N/C, 12 PSI, non-resetting switch.