..... these popular brand new walled mounted Electronic electricity METERS make ideal sub check meters  eg in SUBLETS , workshops and offices, holiday lets ,statics ,marinas etc and or when you simply want to monitor /check the cost of electricity used in a particular situation .....furthermore the meters offer enhanced class 1.0 accuracy with an EASY READ large numbers kwh LCD register display ..with standard kwh meter  installation design easy terminal connection encased in a strong white phenolic cover and case physical size 14 x 11 x 5 cm ....single phase for standard 230/240 volt supply nominally rated at 60 amp 50 Hz 1600 imp / KWH complies with IEC 62052-11 and IEC 62053-21  ..great design and accuracy .. ... a top value item  ......a meter you can count on...when buying electronic kwh meters NEW is always best for a longer accurate meter life ...note : there is also a 60 Hz version of this type available ....