Comparison : Item # SU20NAA, LI, Color LCD with Ammeter, Standard Trip Functions, 24VDC, Trip Unit
Item # SU20NAC, LI, Color LCD with Ammeter, Standard Trip Functions, 120VAC, Trip Unit
Item # SU20NAD, LI, Color LCD with Ammeter, Standard Trip Functions, 240VAC, Trip Unit
Item # SU20NHA, LI, Color LCD with Multi-Metering, Advanced Trip Functions, 24VDC, Trip Unit
Item # SU20NHC, LI, Color LCD with Multi-Metering, Advanced Trip Functions, 120VAC, Trip Unit