Air Insulated Metering Unit - AMU
For HV metering applications, the AMU is designed for use with the latest Sabre VRN2a (250A) and VRN6a (400/630A) Ring Main Units, but is also compatible with the full Sabre RMU family, including the extensible units.
In its standard format the AMU is designed to connect to remotely mounted tariff metering.
Features
- Compact and lightweight design
- Up to 12kV, 95kVp
- Up to 630A
- Indoor or outdoor application
- Can be supplied as an RMU/AMU combination
- VT isolation as standard for HV testing
- Dual VT and CT ratios available
Additional Options
- Marshalling Box options:
- Can include meters within larger Marshalling Box
- Either left-hand or right-hand mounting
- Trip-lock out relay for RMU/AMU combinations where emergency tripping required
- Cable Boxes and Gland Plates:
- Single core cable arrangement - short 450mm cable box
- 3-core cable arrangement - long 630mm cable box
- For voltages above 12kV and 'special' Transformer/Current Transformer (VT/CT) configurations, refer to the oil metering unit range in the brochure. This includes all 5-limb Voltage Transformer (VT) requirements.