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E-1048-8D4-C1A0-4U3-7.5A Scheda tecnica(PDF) 1 Page - ETAL Group

Il numero della parte E-1048-8D4-C1A0-4U3-7.5A
Spiegazioni elettronici  Integral power electronics provide a wear-resistant switching function, insensitive to shock, vibration and dust
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Produttore elettronici  ETAL [ETAL Group]
Homepage  http://www.etalgroup.com
Logo ETAL - ETAL Group

E-1048-8D4-C1A0-4U3-7.5A Scheda tecnica(HTML) 1 Page - ETAL Group

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Smart Power Relay E-1048-8D...
1646
1
5
Description
Features
Technical Data (TA= 25 °C at UN)
E-1048-8D DICE version
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
Closed-circuit current
I0 in the OFF condition 1)
50 µA
Load circuit LOAD
Load output
Power MOSFET, High Side Switch
(HSS)
Current rating range IN
1 A ... 30 A (fixed ratings) without load
reduction up to 85° C (1 A ... 25 A),
30 A up to 60 °C ambient temp.
Types of loads
resistive, inductive, capacitive, lamp
loads, motors (depending on duration
of inrush current)
ENTRY version
Load output with short circuit protection
ENTRYprotect version
Load output with short circuit and
overload protection (typically 200 ms
at ILoad typically 1.3 x IN)
IN = 1 A...10 A: see trip curve 1
IN = 15 A...30 A: see trip curve 2
Typical voltage drop UON at rated current IN 1)
only ENTRYprotect
Switching point 1)
typically 1.3 x IN
(-40 °C...+85 °C: 1.1...1.5 x IN)
Trip time (standard curve) 1)
typically 200 ms with switch-on onto
overload and/or load increase on duty
Max. overload
IN = 1 A...10 A: 60 A (at L/R = 3 ms)
IN = 15 A...30 A: 200 A (at L/R = 3 ms)
Parallel connection of channelsfor loads of 30 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).
The Smart Power Relay E-1048-8D is a remotely controllable electronic
load disconnecting relay with two functions in a single unit:
l
electronic relay
l
electronic overcurrent protection
The 4 pin DICE version is designed for use with standard automotive relay
sockets. A choice of current ratings is available from 1 A through 30 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
Now type E-1048-8D combines these two functions in a single
unit, thus minimising the number of connections in the circuit
and thereby reducing the risk of failures.
Applications
Type E-1048-8D 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 and protected:
- road vehicles (utility vehicles, buses, special vehicles)
- construction and agricultural machinery
- 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, vibration and dust.
l
Compared to electro-mechanical relays, only a fraction of the
closed-circuit current or switching current is needed. 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 50 µA is
absolutely necessary for battery buffered applications.
l
The load circuit is disconnected in the event of a short circuit
(ENTRY version) or overload/short circuit (ENTRYprotect version).
l
For switching and monitoring loads of 30 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, for the identification the rated current (e. g. red = 10 A).
IN
UON
IN
UON
1 A
50 mV
10 A
110 mV
2 A
55 mV
15 A
70 mV
3 A
60 mV
20 A
90 mV
5 A
80 mV
25 A
120 mV
7.5 A
90 mV
30 A
140 mV
1)
typically
Approvals
Authority
Approval mark
Regulation
KBA
E1
ECE R 10


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