^ZVGC
UNITROL 1005
Description
Entry-level digital excitation.
Competitive Models
^ZVEF SE500
Higher-capacity analog AVR.
^ZVCX DSEA106
Original DSEA106 (pre-MKII, legacy service).
^ZVAF SX421
Earlier shunt-excited variant, still serviced on older sets.
^ZVCB DSEA109 MKII
Higher-power standalone AVR with external voltage trim input.
^ZVBG R448
Common aftermarket replacement AVR.
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Code map
^Z V G C │ │ │ └── Model: UNITROL 1005 │ │ └───── Make: ABB │ └──────── Equipment: Automatic Voltage Regulator └─────────── System: Automation Spares