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Cube400
Installation Guide
October 2008
1 Safety
This instruction sheet gives details of safe installation and operation of the Cube400 electricity meter. Safety may be
impaired if the instructions are not followed. Labels on each meter give details of equipment ratings for safe operation.
Take time to examine all labels before commencing installation. Safety symbols on the meter have specific meanings.
Refer To User Manual
Risk of Electric Shock
WARNING
The meter contains no user serviceable parts.
Installation and commissioning should only be carried out by qualified personnel
Further information is available for download at http://www.ndmeter.co.uk.
2 Mounting In a Panel
Panels should be 1mm to 4mm thick with a square cutout of 92mm (+0.8/-0.0mm). Insert the meter from the front of the
panel, slide the panel clips from the rear of the case and push firmly against the panel ensuring even pressure on each
clip.
3 Standard Connections
3-Phase 3 or 4-Wire (*Optional Neutral)
3-Phase 3-Wire (2 CTs)
3-Phase High Voltage (HV)
Single Phase
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Summary of Contents for NDMeter Cube400
- Page 1 October 2008 1 Safety This instruction sheet gives details of safe installation and operation of the Cube400 electricity meter. Safety may be impaired if the instructions are not followed. Labels on each meter give details of equipment ratings for safe operation.
- Page 2 4 Display Menus Enter/Exit Quality Menu kVAr 3-Phase Amps Quality Menu RMS Phase Amps RMS Phase Volts System Power Real Energy (kWh) ...
- Page 3 4.1 Pulse Output Connections The pulse outputs take the form of isolated volt free normally open contact pairs. Pulse 1 is associated with active energy (kWh) and Pulse 2 with reactive energy (kvarh). The contacts are isolated from all other circuits (2.5kV / 1 minute) and at 50V from pulse 1 to pulse 2.
- Page 4 6 Specification INPUTS System 3 Phase 3 or 4 Wire Unbalanced Load Voltage Un 400/230V. 3 Phase 3 or 4 Wire 110/63V & 208/120V optional. Others to order. Current In 5A from external CTs. 1A optional. Fully isolated Measurement Voltage 50% to 120% Range Current...