| Brand | ROCKWILL |
| Model NO. | Medium Voltage Shunt Capacitors |
| Rated voltage | 35kV |
| Rated capacity | 200kVA |
| cabinet type | Heavy type |
| Series | CP/CH |
Our family of TRINETICS® shunt capacitors incorporates features for top performance and high field reliability in medium voltage distribution and substation applications. Capacitors are available in 15 kV, 25 kV, and 35 kV classes, offering power factor improvement, advanced applications requiring voltage regulation, and loss reduction.
● 409 series stainless steel case
● Finish allows superior heat dissipation and offers excellent protection against corrosion in outdoor environments
● Epoxy primer and two coats of polyurethene top coat
● Paint thickness exceeds 85 microns
● Welded terminals are mechanically stronger and provide more consistent mounting than soldered terminals
● Heavy-Duty bolted connections provide superior performance to tab-and-crimp
● Solid stud eliminates inconsistencies associated with solder-filled studs
● All polypropylene film, foil element construction, stainless steel enclosure, and non-PCB dielectric fluid
● High current withstand capability
● Externally fused standard, internally fused available as an option
● Conforms with IEEE Std 18-2025 and IEC 60871-1:2014
● 1- or 2-bushing designs
● 50, 100, 150, 200, 300, 400kVAR standard sizes
● 500, 600kVAR and other sizes available*
● 95, 110, 125 or 150kV BIL (other BIL ratings available upon request)
● For Medium Voltage distribution and substation applications
● Power Factor Correction (PFC)
● Smart Grid applications including Volt/VAr Optimization (VVO) and Conservation Voltage Reduction (CVR)
● Advanced distribution grid solution
● Voltage regulation and loss reduction
● Metal enclosed banks or pole racks
● Harmonic filter banks
| Technical Specifications | |
| Applicable standards | IEEE-18/IEC60871-1 |
| Rated voltage range | 2 to 22kV |
| Rated kVAR range | 50kVAR to 750kVAR |
| Phases | 1 Ph/3 Ph |
| Rated frequency | 60Hz or 50Hz |
| Fuse protection | Externally fused ratings (standard): 50–600 kVAR, 2.4–19.92 kV Internally fused ratings (optional): 100–750 kVAR, 2.4–14.62 kV |
| Discharge device | Internally fitted discharge resistor |
| Dielectric type | All polypropylene film |
| Impregnating oil | Non-PCB, non-toxic oil |
| Ground connection | Unpainted area under mounting bracket |
| Case material | Stainless steel 409 series/CRCA |
| Paint | Gray ANSI-70 polyuretthene paint suitable for outdoor application |
| Bushing | |
| Material | Wet process porcelain |
| Standard creepage (min) | 14.96" (380 mm) up to 15kV (95kV BIL)* |
| 23.6" (600mm) up to 24 kV (110 or 125kV BIL) | |
| 30" (762 mm) for 150kV BIL upon request | |
| Special creepage | 30" (762 mm) (upon request) |
| Insulation level | 95kV or 110kV up to 15kV |
|
(1.2 × 5 µs wave) |
125kV or 150kV up to 24kV |
| Permissible overloads | ||
| Item | Standard-Duty | Heavy-Duty |
| Current | 135% | 135% |
| Voltage | 110% | 225% (15-cycles) |
| kVAR | 135% | 135% |
| Capacitance tolerance | Per respective standard | |
| Weight | Unit specific | |
| Temperature category |
−40 °C (−40 °F) to +55 °C (130 °F) |
|
| Routine over voltage test | 4.3 times rated voltage DC | |
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