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7. Technical Data
Eaton Arc Flash Relay System
MN026010EN March 2016 www.eaton.com
7. Technical Data
7.1 Protection Stages
Trip Time Using HSO
2 ms*
Trip Time Using Mechanical Trip Relays
7 ms*
Reset Time (Light Stage)
1 ms
Reset Time (Over-current Stages)
50 ms
Protection Operational After Power Up
50 ms
* = Total trip time using arc light or phase/earth over-current from
EAFR-110 and arc light.
7.2 Current Measuring Circuits
Nominal Current
1 or 5 A
Rated Frequency
2 to 1,000 Hz
Number of Inputs
3 (Phase) + 1 (Earth)
Thermal Withstand Continuous
30 A
Thermal Withstand 1 s
500 A
Thermal Withstand 10 s
100 A
Phase Over-current Setting Range
0.5 to 6 *In
Earth Over-current Setting Range
0.05 to 2 *In
Measurement Accuracy
10%
Rated AC Burden (VA)
Input Resistance 10 mΩ
Power Consumption of Current Inputs
Circuit
<10 mΩ
7.3 Trip relays T1, T2, T3, and T4
Number
3 NO + 1 NC or 4 NO
Rated Voltage
250 Vac/dc
Continuous Carry
5 A
Make and Carry for 0.5 s
30 A
Make and Carry for 3 s
16 A
Breaking Capacity DC, When Time Constant
L/R = 40 ms
40 W; 0.36 A at 110 Vdc
Contact Material
AgNi 90/10
7.4 High Speed Outputs HSO1 and HSO2
Number
2
Rated Voltage
250 Vdc
Continuous Carry
2 A
Make and Carry for 0.5 s
15 A
Make and Carry for 3s
6 A
Breaking Capacity DC, When Time Constant
L/R = 40 ms
1 A/110 W
Contact Material
Semiconductor
7.5 Binary Output BO1
Rated Voltage
+24 Vdc
Rated Current
20 mA (max)
Number of Outputs
1
7.6 Binary Inputs BI1 and BI2
Rated Voltage
24
Rated Current
3 mA
Number of Inputs
2
7.7 Disturbance Tests
EMC Test
CE approved and tested according to
EN 50081-2, EN 50082-2.
Emission
- Conducted (EN 55011 class A)
0.15 - 30 MHz
- Emitted (EN 55011 class A)
30 - 1 000 MHz
Immunity
- Static discharge (ESD) (According
to IEC244-22-2 and EN61000-4-2,
class III)
Air discharge 15 kV.
Contact discharge 8 kV.
- Fast Transients (EFT) (According to
EN61000-4-4, class III and IEC801-4,
level 4)
Power supply input 4 kV, 5/50 ns
Other inputs and outputs 4 kV,
5/50 ns
- Surge (According to EN61000-4-5
[09/96], level 4)
Between wires 2 kV / 1.2/50 µs.
Between wire and earth 4 kV /
1.2/50 µs.
- RF Electromagnetic Field Test
(According. to EN 61000-4-3, class
III)
f = 80 to 1,000 MHz 10 V/m
- Conducted RF Field (According. to
EN 61000-4-6, class III)
f = 150 kHz to 80 MHz 10 V
7.8 Voltage Tests
Insulation Test Voltage Acc - to IEC 60255-5 2 kV, 50 Hz, 1 min
Impulse Test Voltage Acc - to IEC 60255-5
5 kV, 1.2/50 us, 0.5 J
7.9 Mechanical Tests
Vibration Test
2 to 13.2 Hz ± 3.5 mm (0.14 in.)
13.2 to 100 Hz, ± 1.0 g (0.04 oz)
Shock/Bump Test Acc. to IEC 60255-21-2
20 g, 1,000 bumps/dir.