SEL SEL-9321 Low-Voltage DC Power Supply

SEL-9321

Low-Voltage DC Power Supply

Use the SEL-9321 Low-Voltage DC power supply as an inexpensive, robust means to convert high-voltage dc battery sources for use with communications or instrumentation devices.

SEL-9321

Transceiver Power Supply

Provide power to fiber-optic transceivers, like the SEL-2814 Fiber-Optic Transceivers With Hardware Flow Control,

SEL-2812 Fiber-Optic Transceivers With IRIG-B, and SEL-3405 High-Accuracy IRIG-B Fiber-Optic Transceiver,

as well as to the SEL-2886 EIA-232 to EIA-485 Interface Converter, when connected to devices that cannot provide power through their serial ports.

Communications Device Power Supply

Provide +5 Vdc and ±10 Vdc power to other communications or instrumentation devices. SEL provides cables that are 1.82 meters (6 feet) long with 2.5 mm or 0.7 mm power plugs.

Provide +5 Vdc and ±10 Vdc power for communications devices and accessories, from a station battery or ac source.

Reliable, robust, and backed by the SEL worldwide, ten-year product warranty. Meets IEEE and IEC standards for surge withstand, fast transient, and RFI immunity requirements in electric power substations.

Choose from three voltage inputs:

24 Vdc

125/250 Vdc or Vac

48/125 Vdc or 125 Vac

Easily mount to any flat surface or DIN rail with the included mounting hardware.