1.8
SEL-587Z Instruction Manual Date Code 20020903
Introduction and Specifications
Specifications
Surge Withstand
Capability: IEC 60255-22-1: 1998
2.5 kV peak common mode,
2.5 kV peak differential mode
IEEE C37.90.1: 1989
3.0 kV oscillatory,
5.0 kV fast transient
IEEE C37.90.1: 1989
2.5 kV peak common mode,
2.5 kV peak differential mode
oscillatory waveform, 4 kV at 2.5 kHz
and 5 kHz fast transient waveform
Environmental
Cold: IEC 60068-2-1: 1990
EN 60068-2-1: 1993,
Test Ad: Cold,
16 hours at –40ºC
Dry Heat: IEC 60068-2-2: 1974
EN 60068-2-2: 1993,
Test Bd: Dry Heat,
16 hours at +85ºC
Damp Heat, Cyclic: IEC 60068-2-30: 1980,
Test Db: 25°C to 55ºC,
6 cycles, 95% humidity
Vibration: IEC 60255-21-1: 1988
EN 60255-21-1: 1995
Class 1 Endurance, Class 2 Response
IEC 60255-21-2: 1988
EN 60255-21-2: 1995
Class 1 Shock Withstand, Bump,
Class 2 Shock Response
IEC 60255-21-3: 1993
EN 60255-21-3: 1995
Class 2
Safety
Dielectric Strength: IEC 60255-5: 2000
IEEE C37.90: 1989
2500 Vac on analogs, contact inputs,
and contact outputs; 3100 Vdc on
power supply
Impulse: IEC 60255-5: 2000
0.5 J, 5 kV
Certifications
ISO: Relay is designed and manufactured using
ISO-9001 certified quality program.
Product Safety: C22.2 No. 14–95
IEC 60255-6: 1988
EN 60255-6: 1994
UL 508
Installation/
Overvoltage: IEC 61010: 1993
Category II, Pollution Degree 2
CSA certified
Sampling
16 samples per power system cycle
Processing
Differential elements, optoisolated inputs, and contact outputs are
processed at 1/8-cycle.
Overcurrent elements are processed at 1/8-cycle.
Metering Accuracy
Instantaneous Currents:
5 A Model: ±2% ±0.10 A
1 A Model: ±2% ±0.02 A
Demand Currents:
5 A Model: ±2% ±0.10 A
1 A Model: ±2% ±0.02 A
High-Impedance
Vo l t a g e : ± 5 % ± 2 V
Differential Element
Pickup Range: 20–800 V
Pickup Accuracy (V secondary):
5 A Model: ±5% ±4 V
1 A Model: ±5% ±4 V
Pickup Time
(Max): 1.25 cycles
Instantaneous/Definite-Time Overcurrent Elements
Pickup Range (A secondary):
5 A Model: 0.5–80.0 A
1 A Model: 0.1–16.0 A
Pickup Accuracy (A secondary):
5 A Model: ±5% ±0.10 A
1 A Model: ±5% ±0.02 A
Pickup Time
(Typ/Max): 0.75/1.25 cycles
Time Delay Range: 0–16000 cycles
Time Delay
Accuracy: ±0.1% ±0.25 cycle
Time Overcurrent Elements
Pickup Range (A secondary):
5 A Model: 0.5–16.0 A
1 A Model: 0.1–3.2 A
Pickup Accuracy (A secondary):
5 A Model: ±5% ±0.10 A
1 A Model: ±5% ±0.02 A
Curves:
U1 = U.S. Moderately Inverse
U2 = U.S. Inverse
U3 = U.S. Very Inverse
U4 = U.S. Extremely Inverse
U5 = U.S. Short-Time Inverse
C1 = IEC Class A (Standard Inverse)
C2 = IEC Class B (Very Inverse)
C3 = IEC Class C (Extremely Inverse)
C4 = IEC Long-Time Inverse
C5 = IEC Short-Time Inverse
Time-Dial Range
U.S. Curves: 0.50–15.00, 0.01 step
IEC Curves: 0.05–1.00, 0.01 step
Timing Accuracy: ±4% ±1.5 cycles for current between 2
and 30 multiples of pickup. Curves operate
on definite-time for current greater than 30
multiples of pickup or 16 times nominal.
Reset
Characteristic: Induction-disk reset emulation or 1-cycle
linear reset
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