GFL631T-3 INSTRUMENT TRANSFORMER, GFL631T-3 Datasheet - Page 22

• Manufacturer Part Number: GFL631T-3
• Description: GROUND FAULT CURENT
• Manufacturer: INSTRUMENT TRANSFORMER

Specifications of GFL631T-3

• Accuracy: 15%
• Current Measuring Range Ac: 30A To 360A

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unbalance . When operating under normal power conditions, the bi-colored LED “ Relay Status ” will be green indicating the de-energized state of the output
relay.
output relay is energized and changes state. Whenever the output relay contacts are energized indicating a fault , the bi-colored LED “ Relay Status ” will be
red.
In automatic mode (no connection between 7 & 8), the relay automatically resets when power is restored.
In manual mode (jumper or N/C contact placed between 7 & 8) when power is restored, the relay does not reset until either the manual reset button
has been pushed or the N/C contact has been opened and reclosed. The manual reset button is on the front of the relay.
door mounted. The terminal hardware is set for panel mounting but is easily reversed for door mounting. A clear cover is provided to prevent accidental
mechanical indicator changes.
A correctly installed SPVRB Voltage Sensing Relay will protect a power system against damage due to single phase and phase loss, phase reversal , phase
If a single phase, phase sequence, phase reversal, phase loss or unbalance of 8% occurs for longer than the preselected time delay of 1 to 10 seconds, the
The output relay has single Form C contact .
The SP VRB relay is package is in a high im pact thermoplastic enclosed which can be either panel or door mounted. The terminal hardware is set for panel or
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SPVRB Typical Wiring Diagram
SPVRB Operation with Options
HOW TO ORDER RELAYS
120, 208, 240, or 575Vac (60 Hz)
SPVRB - XXX
380 or 415Vac (50 Hz)
Input Voltage
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Contacts transfer
1. ELECTROMECHANICAL
2. BI-Colored LED INDICATOR
3. ADJUSTABLE SYSTEM DELAY:
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only on a fault .
DIAGNOSTIC INDICATOR
Phase Loss.
Power system condition.
Normal (green)
Trip (red).
Single phase.
Phase loss.
Phase unbalance
Phase reversal
Under & over voltage.
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