Coordinated switchgear-bay equipment comprising SF6 and vacuum circuit breakers for fault interruption, together with current (CT) and voltage (VT/PT) instrument transformers and MV HRC fuses for protection and metering. Vacuum interrupters serve indoor MV switchgear and SF6 puffer chambers outdoor HV applications; CTs and VTs scale primary current and voltage to standardised secondary values per IEC 61869, with metering and protection accuracy classes to suit revenue metering and relay schemes.
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HV & MV/LV Power Distribution Equipment
Circuit Breakers, Fuses, Current Transformers (CTs) & Voltage Transformers (VTs/PTs)
| Voltage class | HV up to 170 kV |
|---|---|
| Rating | CB 12–170 kV / 630–4000 A / 25–63 kA; CT/VT to IEC 61869; HRC fuses up to 40.5 kV |
| Insulation / medium | SF6 / Oil |
| Standards | IEC 62271-100, IEC 61869-1, IEC 61869-2, IEC 61869-3, IEC 60282-1 |
Related products
Metering & Energy Management Systems
LV up to 690 V
IEC 62052-11, IEC 62053-22, IEC 62053-23, IEC 61000-4-30, IEC 62586
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