Wallrack User Manual
For the NEUTRAL conductor, we recommend a size of at least 2 x phase
conductor size to allow for the harmonic currents generated by phase
control dimmers.
Single Phase
Typically wiring for both LIVE L1 and NEUTRAL N should be 25mm
2
for
2.5kW dimmers and 32mm
2
for 5kW dimmers for maximum rack load
capacity. For this application use the Single Phase strapping kit. If single
phase current is higher than the size of the cable, additional Live and
Neutral wires are recommended to share the current flows.
Load Connections
Connections for both LIVE and NEUTRAL are supplied at each dimmer
output to allow two loads to be connected in parallel without the need to fit
two wires in a single terminal. The terminals are located on the Power
Blocks. Please refer to the Power Block Termination details in the
appendix.
Load terminals allow for 2.5kW dimmers up to 4mm
2
stranded direct into
the terminals
Wallrack 24 x 2.5kW
User Manual v1.2 March 2006 8
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