S123xxxR.The Horstmann single phase S series smart programmable multi-rate meter provides simple, integrated and cost effective control of seasonal time of day (STOD) electricity tariffs and associated heating loads.

Long life - 20 year certification
Programmable up to 8 rates
Integral load switching options
High stability crystal clock
LED consumption rate indicator
Complies with BSEN 62053 and BS 7856
Optical communication interface compliant with BSEN 61107
Eight tariff registers plus totaliser and reverse energy (export) registers
Fully programmable display configurations
Mains syncronised internal clock (battery backed)
Multi-rate weekday/weekend and seasonal tariff control
Program random offset and soft start capability
All features programmable via standard IEX/FLAG opto port.