ABB A41 312-100
ABB A41 312-100 / 2CMA170503R1000
Single-phase 80 A direct-connected DIN-rail energy meter with MID Class B accuracy, import/export registers, multi-tariff support, and local RS-485 Modbus RTU.
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ABB A43 312-100
ABB A43 312-100 / 2CMA170525R1000
A professional three-phase DIN-rail meter for direct circuits up to 80 A, combining MID Class B metering, separate import/export registers, multi-tariff support, and local Modbus access for commercial, industrial, solar, and sub-metering projects.
RS-485 Modbus RTU / EQ Bus / infrared interface / configurable pulse-alarm I/O
ABB B21 312-100
ABB B21 312-100 / 2CMA100155R1000
A MID-approved single-phase DIN-rail energy meter for direct circuits up to 65 A, with local RS-485 Modbus RTU, active/reactive energy data, and separate import/export registers.
RS-485 Modbus RTU / EQ Bus / S0 pulse outputs
ABB B23 112-100
ABB B23 112-100
A narrow three-phase DIN-rail meter for electrician-led solar, sub-metering, and panel-monitoring jobs where Modbus RTU integration and trusted electrical hardware matter more than app-first homeowner UX.
Modbus RTU
ABB B23 212-100
ABB B23 212-100 / 2CMA100166R1000
Three-phase 65 A direct-connected DIN-rail meter with MID Class B accuracy, import/export registers, and local RS-485 Modbus for solar, sub-metering, and energy-management projects.
RS-485 Modbus RTU / EQ Bus / infrared interface / pulse-alarm output
ABB B23 312-100
ABB B23 312-100 / 2CMA100169R1000
Three-phase 65 A direct-connected DIN-rail energy meter with MID Class B metering, import/export registers, multi-tariff support, and local RS-485 Modbus RTU for residential and commercial sub-metering.
RS-485 Modbus RTU / EQ Bus / infrared interface / configurable pulse-alarm I/O
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