GE DIFFERTIAL RELAY FOR TRANSFORMER PROTECTION WITH PERCENTAGE AND HARMONIC RESTRIANT TYPE BDD 5 AMPS 60 HZ 24-48 D-C CONTROL VOLTS PICKUP 0.30 X TAP INSTRUCTIONS GEH-2057 CAT# 12BDD15B13A **INCLUDES CASE
12BDD15B13A Relay by General Electric