This document is the ABB B23/B24 User Manual, which introduces the features and characteristics of the product.
This B23/B24 User Manual from ABB describes the parts and types of the B23/B24 meter and explains installation, wiring, display, and meter settings. It also covers energy values, instrumentation, alarms, inputs and outputs, logs, technical specifications, and physical dimensions.
The manual includes measurement methods for single-phase and three-phase metering, service and maintenance information, and communication details for Modbus and M-Bus. It is identified as document 2CMC485003M0201, revision C, dated 2022-06-16.
| Nominal voltage | 3x230/400 VAC |
|---|---|
| Voltage range | 3x220–240 VAC (-20% – +15%) |
| Base current Ib | 5 A |
| Maximum current Imax | 65 A |
| Frequency | 50 or 60 Hz ± 5% |
| Accuracy | Class B (Cl. 1) and Reactive Cl. 2 |
| Operating temperature | -40°C to +70°C |
| Protection | IP 20 on terminal block without protective enclosure and IP 51 in protective enclosure |
| M-Bus | EN 13757-2, EN 13757-3 |
| Pulse indicator frequency | 1000 imp/kWh |
The B23 direct connected meter has a nominal voltage of 3x230/400 VAC and a voltage range of 3x220–240 VAC (-20% – +15%).
The meter supports M-Bus according to EN 13757-2 and EN 13757-3.
The maximum current Imax is 65 A.
The operating temperature range is -40°C to +70°C.