A portable and compact Instrument the DVS 3 is either used alone or in conjunction with a current source to test virtually all single and multiple Phase Protection relays.

• Powered from a 115v or 230v, 50Hz or 60Hz single phase supply.
• Highly accurate and stable three phase output voltage.
• PC interface via RS232 for control and data analysis.
• Applications: Single and three phase directional relays (voltage source) Automatic voltage regulating relays.
• C/W step up transformer.

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