GFL631T-3 INSTRUMENT TRANSFORMER, GFL631T-3 Datasheet - Page 20

• 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 , and under and over voltage. 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. If the voltage level dips below 80% but is above 60% after the preselected time, or if the voltage exceeds 115%
for a preselected time the the output relay changes state. This output relay returns to its normal de-energized state when undervoltage returns to 90% or the
overvoltage reduces to 107%. Whenever the output relay contacts are energized indicating a fault , the bi-colored LED “ Relay Status ” will be red.
button. When the main power is restored, the output relay is energized immediately if a reset button has not been operated.
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 SPVRA 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
With the manual reset , a local reset push-button is provided on the front of the relay. Two terminals provide can be used for a normally close remote reset
The output relay has single Form C contact .
The SP VRA relay is package is in a high impact thermoplastic enclosed which can be either panel or door mounted. The terminal hardware is set for panel or
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SPVRA Typical Wiring Diagram
SPVRA Operation with Options
HOW TO ORDER RELAYS
120, 208, 240, or 575Vac (60 Hz)
SPVRA - XXX
380 or 415Vac (50 Hz)
Input Voltage
1. ELECTROMECHANICAL
2. BI-Colored LED INDICATOR
3. ADJUSTABLE SYSTEM DELAY:
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DIAGNOSTIC INDICATOR
Phase Loss.
Power system condition.
Normal (green)
Trip (red).
Single phase.
Phase loss.
Phase unbalance
Phase reversal
Under & over voltage.
Contacts transfer
only on a fault .
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