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— ReliaGear® Merchandised neXT SuperBox power panelboardsSelectionSelect main and branch feeder circuit breakers1234Determine the X-space required to meet main and branch feeder circuit breaker selectionSelect the SuperBox required based on maximum ampacity, main type, enclosure type, and bus X-space requiredSelect the required accessoriesRELIAGEAR® MERCHANDISED NEXT SUPERBOX POWER PANELBOARDS

B1 copy starts hereB2 copy starts hereB3 copy starts here———— ReliaGear® Merchandised neXT SuperBox power panelboardsStep 3: Determine the X-space requiredEach circuit breaker frame has specific requirements for the number of mounting positions (X-spaces). Thanks to required are lower when two or five breakers are mounted close to one another. RELTs also require X-space, since they are plug-in modules. Refer to the table below and add up the number of X-spaces required for each breaker frame.Frame Max. ampacity (A) Poles X-spaces   3   5   11   3   3  4   6   6FB   1FB   2TEY   1TEY   2   2RELT – – 3 – – 101 Tmax® XT5 with electrical accessories requires 1 (one) additional X-space.of this feature, unique mounting brackets are required when mounting brackets required. These additional rails are not included with SuperBox configurations and must be ordered as accessories.Order codes for XT1 mounting rails • • • ———RELIAGEAR® MERCHANDISED NEXT SUPERBOX POWER PANELBOARDS