will monitor S1 (source 1) and in the event of a failure will issue a start command to S2 (source 2). Once S2 is available and producing an output within limits, the module will control the transfer device and switch the load from S1 to S2. Once the S1 supply returns to within limits, the module will command a load return to S1 and shut down S2. The 3 Skypephone (also known as the 3 Skypephone S1) is a UMTS, GSM and VoIP mobile phone. The phone is a joint product by Hutchison 3G and Skype.The 3 Skypephone S1 was the first in the 3 Skypephone Series to launch .
Camden CI-SCP and CI-WPS ceiling pull switches are NEMA rated for harsh environments, feature rugged diecast aluminum construction and heavy duty momentary contacts.