Shermco
–
Columbus, OH, 43216
... * RTU and telecom upgrades for various clients * Experienced with SEL microprocessor relays such as 311C, 311L, 387, 411L, 421, 487B, 487E, 487V, 587, 587Z, and 787. * Desired experienced with GE microprocessor relays such as C30, D60, F35, L90, T35 ... - Jun 09