Eaton NRX Instruction Manual page 41

Section 5: Dimensional drawings for installation of drawout circuit breakers
Figure 44. Four-pole drawout cassette-top/side views with centered three-hole vertical bus adapters in inches (mm).
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Series NRX with PXR - type RF low voltage power (air) circuit breakers instruction manual MN013002ENH03 September 2016 www.eaton.com