SEL manufactures power protection products to provide control power for protective relays, circuit breakers, and communications equipment when power is lost.
Get reliable, affordable dc power wherever you need it. The SEL-UPS Uninterruptable 48 Vdc Power Supply can support a 0.25 A load for 24 hours or a 0.6 A load for up to eight hours.
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.
Apply the SEL-9310 to provide control power for protective relays and circuit breakers when the power is lost.
Provide auxiliary dc power to your protective relays in the classroom or lab.