Gemini
Gemini CT,PT
Gemini's OIP Insulated Instrument Transformers, designed for outdoor use, offer total reliability. Our range includes OIP Current Transformers (12 kV to 145 kV) meeting IEC standards.
- Generation
- Substation
ESIT
Current and Potential Transformers
Indoor and outdoor CTs and PTs, 7.2kV to 36kV. Cast resin current transformers (CTM, CTB, CTD and CTSG for indoor; CTH for outdoor) and voltage transformers (VTM, VTB and VTBF for indoor; VTH and 2VTH for outdoor), plus oil-type CTY and VTY for 36kV outdoor. Outdoor CTH available in 15kV - 26kV with ERC Sticker and test report. Also low-voltage toroidal and ring-type CTs.
Download datasheet (PDF, 9.7 MB)Key specifications
| Indoor CTs | CTM (narrow type), CTB (block type), CTB Barrier, CTD (busbar type) 7.2-24 kV, CTSG (bushing type) 17.5-36 kV |
|---|---|
| Outdoor CTs | CTH 10/20/30 cast resin (6.3-36 kV); CTY 30 oil type (36 kV) |
| Indoor VTs | VTM, 2VTM (double pole), VTB, VTBF / 2VTBF (with fuse); Outdoor VTs: VTH, 2VTH (double pole), VTY 30 oil type (36 kV) |
| Voltage classes | 7.2-12 kV (20-28 kV / 60-75 kV), 17.5-24 kV (38-50 kV / 95-125 kV), 36 kV (70 kV / 170 kV) power-frequency / impulse |
| VT primary | 3.3-11/√3 kV, 15-22/√3 kV, 30-36/√3 kV (single pole); 3.3-11, 15-22, 30-36 kV (double pole) |
| Outdoor CTH 20 as supplied by Montrelec | 15 kV in a 24 kV mold; ratio up to 1500 A; 1 A or 5 A; class 0.3; 15 VA; rating factor 2; Fs5; BIL 95 kV; creepage 720 mm |
| CT options | dual ratio, multi ratio (4 ratios), extended range (1-150%); Ith up to 60 kA 1 s |
| Supplied with ERC sticker and test report; re-tested with OMICRON analyzer before delivery | |
| Also | low-voltage toroidal and ring-type CTs (0.72 kV), post insulators and wall bushings |
| Standards | IEC, VDE, ANSI (CTH 20: ANSI/IEEE C57.13, IEC 60044-1) |
From the manufacturer's datasheet. Ratings vary by model, so our engineers confirm the exact specification with your quotation.
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