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Why SEM3 Branch Circuit Meters & Accessories?

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 AApproved for sub‑billing by NYC PSC and California CDFA; NRTL certified to ANSI C12.20.
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Key benefits

Simplify multi‑tenant sub‑billing

Rely on compact, integrated metering with NYC PSC and California CDFA approvals to support tenant billing across commercial and multi‑family properties.

Reduce installation footprint

Snap‑in modules and rack options fit low, medium, or high density needs, cutting space versus meter socket centers and enabling retrofit projects.

Connect to existing systems

Use Modbus RTU/TCP with optional BACnet plus SNMP and NTP to feed EPMS, SCADA, or building automation platforms without complex gateways.

Featured capabilities