SEL-487E Data Sheet Schweitzer Engineering Laboratories, Inc.
28
Input Impedance: 50 or >1 k
Dielectric Test Voltage: 0.5 kVac
PTP
Input: IEEE 1588 PTPv2
Profiles: Default, IEEE C37.238-2011 (Power
Profile), IEC/IEEE 61850-9-3-2016
(Power Utility Automation Profile)
Synchronization Accuracy: ±100 ns @ 1-second synchronization
intervals when communicating directly
with master clock
Operating Temperature
–40° to +85°C (–40° to +185°F)
Note: LCD contrast impaired for temperatures below –20° and above +70°C.
Humidity
5% to 95% without condensation
Weight (Maximum)
TiDL Relay: 6.74 kg (14.87 lb)
SV Relay: 6.57 kg (14.47 lb)
Terminal Connections
Rear Screw-Terminal Tightening Torque, #8 Ring Lug
Minimum:
Maximum:
1.0 Nm (9 in-lb)
2.0 Nm (18 in-lb)
User terminals and stranded copper wire should have a minimum
temperature rating of 105°C. Ring terminals are recommended.
Wire Sizes and Insulation
Wire sizes for grounding (earthing) and contact connections are dictated
by the terminal blocks and expected load currents. You can use the
following table as a guide in selecting wire sizes:
Type Tests
Installation Requirements
Overvoltage Category: 2
Pollution Degree: 2
Safety
Product Standards: IEC 60255-27:2013
IEEE C37.90-2005
21 CFR 1040.10
Dielectric Strength: IEC 60255-27:2013, Section 10.6.4.3
2.5 kVac, 50/60 Hz for 1 min: Analog
Inputs, Contact Outputs, Digital Inputs
3.6 kVdc for 1 min: Power Supply,
Battery Monitors
2.5 kVdc for 1 min: IRIG-B
1.1 kVdc for 1 min: Ethernet
Impulse Withstand: IEC 60255-27:2013, Section 10.6.4.2
IEEE C37.90-2005
Common Mode:
±1.0 kV: Ethernet
±2.5 kV: IRIG-B
±5.0 kV: All other ports
Differential Mode:
0 kV: Analog Inputs, Ethernet,
IRIG-B, Digital Inputs
±5.0 kV: Standard Contact Outputs,
Power Supply Battery Monitors
+5.0 kV: Hybrid Contact Outputs
Connection Type Min. Wire Size Max. Wire Size
Grounding (Earthing)
Connection
14 AWG (2.5 mm
2
)N/A
Contact I/O 18 AWG (0.8 mm
2
) 10 AWG (5.3 mm
2
)
Other Connection 18 AWG (0.8 mm
2
) 10 AWG (5.3 mm
2
)
Insulation Resistance: IEC 60255-27:2013, Section 10.6.4.4
>100 M @ 500 Vdc
Protective Bonding: IEC 60255-27:2013, Section 10.6.4.5.2
<0.1 @ 12 Vdc, 30 A for 1 min
Object Penetration: IEC 60529:2001 + CRGD:2003
Protection Class: IP30
Max Temperature of Parts
and Materials: IEC 60255-27:2013, Section 7.3
Flammability of Insulating
Materials:
IEC 60255-27:2013, Section 7.6
Compliant
Electromagnetic (EMC) Immunity
Product Standards: IEC 60255-26:2013
IEC 60255-27:2013
IEEE C37.90-2005
Surge Withstand Capability
(SWC):
IEC 61000-4-18:2006 + A:2010
IEEE C37.90.1-2012
Slow Damped Oscillatory, Common and
Differential Mode:
±1.0 kV
±2.5 kV
Fast Transient, Common and Differential
Mode:
±4.0 kV
Electrostatic Discharge
(ESD):
IEC 61000-4-2:2008
IEEE C37.90.3-2001
Contact:
±8 kV
Air Discharge:
±15 kV
Radiated RF Immunity: IEEE C37.90.2-2004
IEC 61000-4-3:2006 + A1:2007 +
A2:2010
20 V/m (>35 V/m, 80% AM, 1 kHz)
Sweep: 80 MHz to 1 GHz
Spot: 80, 160, 450, 900 MHz
10 V/m (>15 V/m, 80% AM, 1 kHz)
Sweep: 80 MHz to 1 GHz
Sweep: 1.4 GHz to 2.7 GHz
Spot: 80, 160, 380, 450, 900, 1850,
2150 MHz
Electrical Fast Transient
Burst (EFTB):
IEC 61000-4-4:2012
Zone A:
±2 kV: Communication ports
±4 kV: All other ports
Surge Immunity: IEC 61000-4-5:2005
Zone A:
±2 kV
L-L
±4 kV
L-E
±4 kV: Communication Ports
Note: Cables connected to IRIG-B ports
shall be less than 10 m in length for Zone
A compliance.
Zone B:
±2 kV: Communication Ports
Conducted Immunity: IEC 61000-4-6:2013
20 V/m; (>35 V/m, 80% AM, 1 kHz)
Sweep: 150 kHz–80 MHz
Spot: 27, 68 MHz
Power Frequency Immunity
(DC Inputs):
IEC 61000-4-16:2015
Zone A:
Differential: 150 V
RMS
Common Mode: 300 V
RMS
Power Frequency Magnetic
Field:
IEC 61000-4-8:2009
Level 5:
100 A/m; 60 Seconds; 50/60 Hz
1000 A/m 1 to 3 Seconds; 50/60 Hz
Note: 50G1P 0.05 (ESS = N, 1, 2)
50G1P 0.1 (ESS = 3, 4)
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