Provide auxiliary dc power to your protective relays in the classroom or lab.
Use station battery to power low-voltage communications and instrumentation devices.
Use station battery to power low-voltage communications and instrumentation devices. Compatible with telecommunication battery backup including cell tower sites.
The SEL-9331 is a switch-regulated +12 Vdc power supply designed to supply power to SEL’s line of industrial computers. The SEL-9331 is also flexible enough to provide power for other equipment as well.