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E-1048-8I4-C3D4V1-4U3-3A Arkusz danych(PDF) 1 Page - ETAL Group

Numer części E-1048-8I4-C3D4V1-4U3-3A
Szczegółowy opis  Integral power electronics provide a wear-resistant switching function, insensitive to shock and vibration
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Producent  ETAL [ETAL Group]
Strona internetowa  http://www.etalgroup.com
Logo ETAL - ETAL Group

E-1048-8I4-C3D4V1-4U3-3A Arkusz danych(HTML) 1 Page - ETAL Group

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Smart Power Relay E-1048-8I...
1646
1
5
Description
Features
Technical Data (TU = 25 °C, US = DC 24 V) (TU = ambient temperature at UN)
Power supply LINE +
Type
DC power supply with small Ri
battery and generator etc.
Voltage ratings UN
DC 12 V/DC 24 V
Operating voltage US:
DC 9...32 V
Load circuit LOAD
Load output
Power MOSFET, high side switching
Max. current rating IN
20 A
Types of loads
resistive, inductive, capacitive, lamp
loads, motors (depending on duration
of inrush current)
Current rating range IN
1 A...15 A (fixed ratings)
up to 85 °C ambient without load
reduction, 20 A up to 70 °C.
Two basic versions with factory pre-
set ratings:
version 1: 1 A/2 A/3 A/5 A/7.5 A/10 A
version 2: 15 A/20 A
Induced current consumption
I0 of the unit (OFF condition) < 1 mA
Typical voltage drop UON
at rated current IN (at 25 °C)
Switching point
typically 1.3 x IN
(-40 °C...+85 °C: 1.1...1.5 x IN)
Trip time (standard curve)
typically 200 ms with switch-on onto
overload and/or load increase on duty
Current limitation
version 1: typically 75 A
version 2: typically 350 A
Temperature disconnection
power transistor > 150 °C
After trip
- resettable via external control signal
(low-high) at control input IN+
- reset of supply voltage
Parallel connection of channels for loads of 20 A plus, several units of
identical current ratings may be
connected in parallel. To ensure equal
distribution of current between units,
symmetrical design of the supply feed
is necessary (length and cross section).
Leakage current in OFF
condition
version 1: max. 100 µA
version 2: max. 500 µA
Free-wheeling diode
for connected load
integral
version 1: max. 40 A
version 2: max. 100 A
The Smart Power Relay E-1048-8I.- is a remotely controllable electronic
load disconnecting relay with three functions in a single unit:
l
electronic relay
l
electronic overcurrent protection
l
status indication
The 7 pin INLINE version is designed for use with various E-T-A
terminal blocks, e. g. 17-P10-Si. A choice of current ratings is available
from 1 A through 20 A. An operating voltage range of DC 9...32 V
allows the connection of DC 12 V and DC 24 V loads.
In order to switch and protect loads remotely, it has until now been
necessary to connect several discreet components together:
- an electro-mechanic relay, control cable and integral contact
to close the load circuit
- an additional protective element (circuit breaker or fuse) for
cable or equipment protection
- a device for current measurement (shunt)
Now type E-1048-8I. combines all these functions in a single unit,
thus minimising the number of connections in the circuit and
thereby reducing the risk of failures.
Applications
Type E-1048-8I. is suited to all applications with DC 12 V or DC 24
V circuits, where magnetic valves, motors or lamp loads have to be
switched, protected or monitored:
- road vehicles (utility vehicles, buses, special vehicles)
- rail vehicles
- marine industry (ships, boats, yachts etc.)
The Power Relay is also suitable for industrial use (process control,
machine-building, engineering) as an electronic coupling relay
between PLC and DC 12 V or DC 24 V load
l
Integral power electronics provide a wear-resistant switching
function, insensitive to shock and vibration.
l
Only a fraction of the control power needed by electro-mechanical
relays is required for switching loads. This is important for battery
buffered load circuits which have to remain controlled even with
the generator off line.
l
The extremely low induced current consumption of less than 1 mA
is absolutely necessary for battery buffered applications.
l
The load circuit is disconnected in the event of an overload or
short circuit, the trip curve is also suitable for smaller motor loads.
l
The load circuit is permanently monitored for wire breakage.
l
Two status outputs for control signal AS and group signal SF
provide status indication. For processing the actual value of the
current flow in a power management system an analogue output
from 0 to 5 V is provided. This voltage signal may also be used as
an input to a control circuit or to switch off the unit by means of
external control in the event of low load current value.
l
For switching and monitoring loads of 20 A plus it is possible to
connect several units in parallel. Uniform power distribution between
units must be ensured by symmetrical design of the supply cables
(length and cross section).
l
Coloured label, e. g. red = 10 A, see ordering information.
E-1048-8I... INLINE version
IN
UON
IN
UON
1 A
50 mV
7.5 A
90 mV
2 A
55 mV
10 A
110 mV
3 A
60 mV
15 A
60 mV
5 A
80 mV
20 A
60 mV


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