Hour meter - format 48 x 48 - AC or DC auxiliary power supply
Hour meter - format 55 x 55 - AC or DC auxiliary power supply
Hour meter - format 72 x 72 - AC or DC auxiliary power supply
AC voltmeter - Format 96 x 96 - Direct connection
AC differential voltmeter - Format 96 x 96 - With additional casing
AC differential voltmeter - Format 96 x 96 - With additional unit
AC voltmeter - Format 96 x 96 - Configuration as required