Issue
Users need to understand the power supply requirements for Sigma controllers to ensure proper installation and operation.
Product Line
Satchwell BAS & SigmaEnvironment
Sigma UNC Controllers
Cause
Clarification required on the acceptable operating voltage and frequency range for Sigma controllers.
Resolution
Sigma controllers are designed to operate under the following electrical specifications:
- Supply Voltage: 230 Vac ±10%
- Supply Frequency: 50/60 Hz ±10%
- Power Consumption: 25 VA maximum
These specifications ensure reliable performance within standard building automation environments.
