Dubuque, IA Free Moderated Classifieds Site > OLD ADS FROM PREVIOUS YEARS
> 2002
> February
> Ge pvd PVD21-D1A differential voltage relay orig $2.280
Ge pvd PVD21-D1A differential voltage relay orig $2.280
$2.280 is the (latest) list price for the PVD21-D1A
This General Electric PVD21-D1A relay is a single-phase, high-speed, high-impedance, voltage-operated relay. It’s designed to provide protection in bus differential schemes.
The following information was taken from the front plate (see photos)
General Electric High Impedance Differential Relay
The following PVD21-D1A “pdf†publications can be found at
“GEIndustrial web sight†along with several other “pdf’s†not listed below.
GEK-45405G Instruction Booklet
Adjustment Techniques for Electromechanical Relays
Periodic Testing Equipment for PVD and SBD Relays
High-Impedance Differential Relaying
Buss Differential Protection Application of PVD Relays Using Different Ratio Current Transformers
Electromechanical Relays Frequently Asked Questions
GEF-4543B GE Power Management Renewal Parts
GE Power Management Renewal Parts Bulletins
Study the photos for your best description.
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