SEM3 is a modular branch‑circuit metering system that delivers revenue‑grade accuracy, flexible communications, and pre‑engineered integration into Siemens panelboards, switchboards, PDUs, RPPs, bus plugs, and retrofit enclosures for sub‑billing and energy insights portfolio items:
- Controller with embedded web pages, Modbus RTU/TCP, optional BACnet; monitors up to 45 modules
- es: standard 1% or high 0.2% accuracy (ANSI C12.20)
- Meter racks: 3, 6, 9, 15, 21 positions
- Current transformers: solid or split core, 50–2000 A; Approved for sub‑billing by NYC PSC and California CDFA; NRTL certified to ANSI C12.20.
