Alberta Location

6556 – 28 Avenue NW
Edmonton, Alberta
T6L 6N3

(780) 232-9553

Ontario Location

8171 Yonge Street
Thornhill, Ontario
L3T 2C6


Fiber Interface I/O Module


SEL  expands the I/O of relays and communications processes without modification to the control panel face.  Reduces copper in substations by transferring I/O from remote locations over fiber, and provides electrical isolation to avoid ground paths and induced noise interference. Implements teleprotection schemes using high-speed Mirrored Bits communications or IEEE C37.94.

We provide valuable service, with quality products at a competitive price.