Siemens EF 73E Series Uživatelský manuál Strana 8

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For full technical data refer to the Performance
Specification Section of the Technical Manual.
Current Inputs
Quantity 3 x Phase & 1 x Earth
Rated Current IN 1/5A
Measuring Range 80 x In
Instrumentation 0.1xIn ±1% In
Frequency 50/60Hz
Thermal Withstand:
Continuous
10 Minutes
2 Minutes
1 Second
1 Cycle
3 x In
3.5 x In
6 x In
100A (1A) 350A (5A)
700A (1A) 2500A (5A)
Burden @ In 0.02VA (1A phase and Earth
element)
0.2VA (5A phase and earth
element)
Auxiliary Supply
Rated DC Voltage 110/125/220/250V
Range 64 to 300
24/48/60V
Range 18 to 72
Power Consumption:
Min
Max
3.9W
8W
Allowable superimposed
ac component
12% of DC voltage
Allowable breaks/dips in
supply (collapse to zero)
50ms
Binary Inputs
Number 3
Operating Voltage 19V dc
Range 17 to 320V dc
88V
Range 74 to 320V dc
Minimum dc current for
operation
1.5mA
Pick Up Delay User Selectable 0 to
14,400,00ms
Binary Outputs
Technical Data
Number 5
(3 change over contacts)
Operating Voltage Voltage Free
Operating Mode User selectable - Self or
Hand/Electrical Reset or pulsed.
Operating Time from
Energizing Binary Input
<20ms
Making Capacity:
Carry continuously
Make and carry
(L/R 40 ms and V 300
V)
5A ac or dc
20A ac or dc for 0.5s
30A ac or dc for 0.2s
Breaking Capacity
( 5 A and 300 V):
AC Resistive
AC Inductive
DC Resistive
DC Inductive
1250 VA
250 VA at p.f. 0.4
75 W
30 W at L/R 40ms
50 W at L/R 10ms
Inputs and Outputs
Unit Design
Housing E4 (see dimension drawing)
Indication 20 Character 4 line Display
Relay Healthy LED
9 Tri Coloured User
Programmable Self or Hand
Reset LED’s
With-drawable Element Yes
User Interface 5 Navigation Keys
Weight Typical 3.1Kg
IP Rating Installed with
cover
IP 50
Serial Interface
Communication Port Front USB Type B
Rear RS485 2 wire electrical
Protocols IEC60870-5-103
MODBUS RTU
DNP3.0
Data Storage
Fault Record 10
Waveform Record 10 x 1sec
2 x 5sec
5 x 2sec
1 x 10sec
Pre trigger 10…90%
Events 1000 1ms Resolution
Siemens Protection Devices Limited 8
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