• Kyongbo Electric Digital Over / Under / Negative Sequence / Ground Over Voltage Relay GD3-V21 (59, 27, 47, 64, 64V, NGR OPEN, GFR)
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Kyongbo Electric Digital Over / Under / Negative Sequence / Ground Over Voltage Relay GD3-V21 (59, 27, 47, 64, 64V, NGR OPEN, GFR)

Kyongbo Electric Digital Over / Under / Negative Sequence / Ground Over Voltage Relay GD3-V21 (59, 27, 47, 64, 64V, NGR OPEN, GFR)

The relay is designed to the KEPCO over/under voltage relay standard for generator, transformer, motor, shunt capacitor bank, NGR, STATCON and distributed power supply protection.

Key features

  • Over voltage x3, under voltage x3, ground over voltage x1, negative sequence over voltage x1
  • NGR OPEN and GFR elements
  • Fault waveform and event recording

Specifications

Control Power AC/DC 110-220 V (free voltage)
Display Character LCD (4 lines x 20 characters)
Communication Modbus RTU, RS-485 1 port (rear), RS-232C 1 port (front)
Event Record Up to 1,024 events
Fault Waveform Record Up to 6 records
Dimensions (W x H x D) 168 x 218 x 250 mm
Weight approx. 5 kg
Applied Standard ES-5945-0003
GD3-V21 Functions: 59, 27, 47, 64, 64V, NGR OPEN, GFR | Digital Input: 3 points, AC/DC 110-220 V | Trip Output: 1a x 3, 1c x 1 (16 A at AC 250 V) | Alarm Output: 1a x 4, 1c x 1 (5 A at AC 250 V) | Analog Input: Voltage 3, ground voltage 1, ground current 1 | Rated Voltage: AC 63.5-190 V | Ground Current: AC 1.5 mA
Digital Protective RelaysKyongbo Electric
1 product code available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Kyongbo Electric Digital Over / Under / Negative Sequence / Ground Over Voltage Relay GD3-V21 (59, 27, 47, 64, 64V, NGR OPEN, GFR)

Brand Kyongbo Electric·Digital Protective Relays

Available part numbers (1)

GD3-V21

How to order

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GD3-V21Functions: 59, 27, 47, 64, 64V, NGR OPEN, GFR | Digital Input: 3 points, AC/DC 110-220 V | Trip Output: 1a x 3, 1c x 1 (16 A at AC 250 V) | Alarm Output: 1a x 4, 1c x 1 (5 A at AC 250 V) | Analog Input: Voltage 3, ground voltage 1, ground current 1 | Rated Voltage: AC 63.5-190 V | Ground Current: AC 1.5 mA

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