TR15/30RA & TR15/30RAM Switching Adapters Cincon TR15/30RA and TR15/30RAM Switching Adapters feature a universal input voltage range of 90VAC to 264VAC and a frequency range of 47Hz to 63Hz. The TR15/30RA and TR15/30RAM adapters feature continuous Short Circuit Protection (SCP) and Over-Voltage Protection (OVP). These adapters come in medical switching versions (TR15RAM/TR30RAM). The TR15RAM/TR30RAM medical switching adapters meet EN60601-1, 2MOPP, EN55011 Class 'B', and Energy Star 2.0 Level V requirements. The TR15RA adapters meet EN55022 Class B requirements.