Date _______________
Date Code 20020903 SEL-587Z Instruction Manual
3 of 11SEL-587Z Settings Sheets
Relay Settings (SET Command)
B Phase Time-Overcurrent Pickup
(OFF, 0.5–16.0 A) (5 A nominal)
(OFF, 0.1–3.2 A) (1 A nominal)
51BP =
B Phase Time-Overcurrent Curve (U1–U5, C1–C5)
51BC =
B Phase Time-Overcurrent Time Dial
0.50–15.00 for curves U1–U5
0.05–1.00 for curves C1–C5
51BTD =
B Phase Time-Overcurrent Electromechanical Reset (Y, N)
51BRS =
C Phase Time-Overcurrent Pickup
(OFF, 0.5–16.0 A) (5 A nominal)
(OFF, 0.1–3.2 A) (1 A nominal)
51CP =
C Phase Time-Overcurrent Curve (U1–U5, C1–C5)
51CC =
C Phase Time-Overcurrent Time Dial
0.50–15.00 for curves U1–U5
0.05–1.00 for curves C1–C5
51CTD =
C Phase Time-Overcurrent Electromechanical Reset (Y, N)
51CRS =
Residual Ground Instantaneous Overcurrent Elements 50G1, 50G2
Residual Gnd. Inst. Pickup
(OFF, 0.5–80.0 A) (5 A nominal)
(OFF, 0.1–16.0 A) (1 A nominal)
50G1P =
Residual Gnd. Inst. Pickup
(OFF, 0.5–80.0 A) (5 A nominal)
(OFF, 0.1–16.0 A) (1 A nominal)
50G2P =
Residual Ground Instantaneous Overcurrent Elements 51G
Residual Gnd. Time-Overcurrent Pickup
(OFF, 0.5–16.0 A) (5 A nominal)
(OFF, 0.1–3.2 A) (1 A nominal)
51GP =
Residual Gnd. Time-Overcurrent Curve (U1–U5, C1–C5)
51GC =
Residual Gnd. Time-Overcurrent Time Dial
0.50–15.00 for curves U1–U5
0.05–1.00 for curves C1–C5
51GTD =
Residual Gnd. Time-Overcurrent Electromechanical Reset
(Y, N)
51GRS =
Negative-Sequence Instantaneous Overcurrent Elements 50Q1, 50Q2
Neg.-Seq. Inst. Pickup
(OFF, 0.5–80.0 A) (5 A nominal)
(OFF, 0.1–16.0 A) (1 A nominal)
50Q1P =