ETAL E-1048-8C4-C0A4V0-4U3-3A Integral power electronics provide a wear-resistant switching function, insensitive to shock, vibration and dust Datasheet

Smart Power Relay E-1048-8C...
Description
The Smart Power Relay E-1048-8C – is a remotely controllable electronic
load disconnecting relay with three functions in a single unit:
l electronic relay
l electronic overcurrent protection
l status and monitoring functions
The 7 pin CUBIC version is designed for use with standard automotive
relay sockets. A choice of current ratings is available from 1 A through
25 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-1048-8C 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-1048-8C 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 and 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
Features
l
l
l
l
l
l
l
l
Integral power electronics provide a wear-resistant switching
function, insensitive to shock, vibration and dust.
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.
The extremely low induced current consumption of less than 1 mA
is absolutely necessary for battery buffered applications.
The load circuit is disconnected in the event of an overload or
short circuit.
The load circuit is permanently monitored for wire breakage.
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.
For switching and monitoring loads of 25 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).
Coloured label, for the identification the rated current (e. g. red = 10 A)
E-1048-8C CUBIC version
Technical Data (TA = 25 °C, UN)
Power supply LINE +
Type
Voltage ratings UN
Operating voltage US:
Closed-circuit current
I0 in the OFF condition
DC power supply with small R i
battery and generator etc.
DC 12 V/DC 24 V
DC 9...32 V
< 1 mA
Load circuit LOAD
Load outputPower MOSFET, high side switching
HSS
Current rating range IN1 A ... 25 A (fixed rating)
without load reduction up to 85° C
(1 A...20 A), 25 A bis 60 °C ambient
temperature
IN = 1 A ... 10 A: trip curve 1
IN = 15 A ... 25 A: trip curve 2
Types of loads
resistive, inductive, capacitive, lamp
loads, motors (depending on duration
of inrush current)
Typical voltage drop UON at rated current IN
IN
1A
2A
3A
5A
7.5 A
Switching point
50
55
60
80
90
1)
UON
mV
mV
mV
mV
mV
1)
IN
10
15
20
25
A
A
A
A
UON
110 mV
70 mV
90 mV
120 mV
5
typically 1.3 x IN
(-40 °C...+85 °C: 1.1...1.5 x IN)
Trip time1)
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 = 3ms)
IN = 15 A ... 25 A: 250 A (at L/R = 3ms)
Temperature disconnection power transistor > 150 °C
Parallel connection of channels for loads of 25 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).
Free-wheeling diode
for connected load
Delay time 1)
integral
IN = 1 A ... 10 A: 40 A
IN = 15 A ... 25 A: 100 A
ton 5 ms / toff 1.5 ms
1) typical
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Smart Power Relay E-1048-8C...
Technical Data (TA = 25 °C, UN = DC 24 V) (TA = ambient temperature at UN)
Wire breakage monitoring in wire breakage thresholds:
ON and OFF
in OFF-condition (ver.1): Rload > 100 kΩ
condition of load 1)
in OFF-condition (ver.2): Rload > 10 kΩ
in ON-condition: Iload < 0.2 x IN
indication via group fault signalisation
SF (switching output)
Fault indication will not be stored, i.e.
after remedy of wire breakage fault
indication will disappear
Possible options:
- wire breakage indication only in ON
condition
- wire breakage indication only in OFF
condition
- no wire breakage indication)
Short circuit, overload
- disconnection of load, indication via
in load circuit group signal SF
- no automatic re-start
- after remedy of the fault unit has to
be reset via control input IN+
Control input IN+
Control voltage IN+
0...5 V = “OFF”, 8.5...32 V = “ON”
Control current IE
1...10 mA (8.5...DC 32 V)
Reset in the event of a failure -via external control signal
(low-high) at control input IN+
- high) at control input IN+
- via reset of supply voltage
Switching frequency
at resistive or inductive load max. 60 Hz
Edge of IN
< 5 ms
Status and diagnostic functions
5
Control signal AStransistor output low side switching
(LSS), open collector, short circuit
and overload
proof, max. load: DC 32 V/2 A
0 V-level: when unit is set
(at IN+ = 8.4...32 V)
Group signal SFtransistor output low side switching
(LSS), open collector, short circuit and
overload proof, load max. DC 32 V/2 A
0 V-level with overload and short circuit
disconnection, wire breakage indication
Analogue output U(I)
voltage output 0-5 V proportional
to load current:
1 V = 0.2 x IN
5 V = 1.0 x IN
5 V... typically 6.5 V = overload range
tolerance: (for Iload > 0.2 x IN)
± 8 % of IN
max. output current 5 mA
load resistance > 1 kΩ against GND
Trip times 1)
response time when switching on a load:
definition of t90
t90 = 20 ms
reached 90% of final value response time of load change on duty:
t90 = 1 ms
Visual status indication
control signal AS
group fault signal SF
Technical Data (TA = 25 °C, UN = DC 24 V) (TA = ambient temperature at UN)
Temperature range
ambient temperature
Temperature shutdown
Tests
1...20 A: -40...+85 °C
25 A: -40...+60 °C without load reduction
power transistor > 150 °C
Humid heat
combined test, 9 cycles with
functional test
test to DIN EN 60068-2-30, Z/AD
Temperature change
min. temperature -40 °C,
max. temperature +90 °C
test to DIN IEC 60068-2-14, Nb
Vibration (random)
in operation, with temperature change
6 g eff. (10 Hz...2,000 Hz)
test to DIN EN 60068-2-64
Vibration was tested with standard
sockets for PCB mounting.
Behaviour at vibrations depends on
design, quality and age (number of
push-in cycles) of the socket particularly
regarding duration of the vibration and
the mounting position
Shock
25 g/11 ms, 10 shocks
test to DIN EN 60068-2-27
Corrosion
test to DIN EN 60068-2-52, severity 3
Protection class
housing -8C4 IP30 to DIN 40050
housing -8C5 IP54 to DIN 40050,
higher protection class upon request
EMC requirements
EMC directive:
emitted interference EN 50081-1
noise immunity EN 61000-6-2
Automotive directive:
emitted interference, noise immunity:
72/245/EWG und 2006/28/EG
Terminals of CUBIC version
(7 pin, standard)
Mounting:
5 blade terminals 6.3 mm x 0.8 mm
and 2 blade terminals
2.8 mm x 0.6 mm to DIN 46244
Contact material CuZn37F44
on automotive relay socket 4-pole or
7-pole
Housing CUBIC version
max. dimensions
Materials
Mass
30 x 30 x 40 mm when plugged in
30 x 30 x 51.6 mm including terminals
housing PA66-GF30
base plate PA6-GF30
approx. 23 g...43 g, depending on version
Approvals CE, E1 logo
to EMC directive and vehicles directive
Approved by Kraftfahrt-Bundesamt
approvals no. E1 10R-043880
LED yellow
LED red
General data
Reverse polarity protection
Control circuit
yes
Load circuit
no (due to integral free-wheeling diode)
Status outputs
interference voltage resistance
max. DC 32 V
1) typically
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Smart Power Relay E-1048-8C...
Dimensions „DELUXE“ version (7 pin version)
Type
E-1048-8C
E-1048-8C 4 - C
3 D 4 V1 - 4 U3 - 20 A
ordering example 1: 7 pole version
E-1048-8C 4 - C
0 A 0 V0 - 4 U3 - 5 A
ordering example 2: 4 pole version
with all options: - LED indications AS/SF
- status outputs AS/SF
- analogue output U (I)
3 2
6
1
5
2, 4, 5, 6 and 8 - blade terminals 6.3 x 0.8
1 and 3
- blade terminals 2.8 x 0.6
4
8
40
1.57
footprint
to ISO 7588
30
1.18
30
1.18
Smart Power Relay DC 12 V/24 V - 1 A...25 A
in CUBIC version
Housing / temperature range
4
with housing -40 °C...85 °C (60 °C at IN = 25 A)
5 with housing -40 °C...85 °C (60 °C at IN = 25 A) increased
environmental requirements (IP protection class etc.)
Control input
C with control input (+ control 8.5...32 V)
LEDs
0 without
3 2 LEDs: AS yellow, SF red
Status output minus-switching
A without
D with AS and SF
Contents of group fault signal SF/
LED indication SF
0 without
1 short circuit / overload
4 short circuit / overload + wire breakage
Analogue output
V0 without
V1 0...5 V
Characteristic curve
4 200 ms standard
switch-off delay with
overload)
Voltage rating
U3
DC 12/24 V
Current ratings /
colour of label
1 A / black
2 A / grey
3 A / purple
5 A / light-brown
7.5 A / brown
10 A / red
15 A / blue
20 A / yellows
25 A / white
51.6
2.03
Ordering Information
LED yellow
LED red
Dimensions „BASIC Version“ (4 pin version)
without options: - LED indication AS/SF
- status outputs AS/SF
- analogue output U (I)
Preferred types
Preferred types
2
Standard current ratings (A)
E-1048-8C4-C3A1V0-4U3-
5
7.5
10
15
20
25
x
x
x
x
x
x
6
5
2, 4, 6 and 8 - blade terminals 6.3 x 0.8
4
8
Approvals
footprint
to ISO 7588
Approval mark
Regulation
KBA
E1
ECE R 10
51.6
2.03
40
1.57
Authority
30
1.18
30
1.18
This is a metric design and millimeter dimensions take precedence ( mm )
inch
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Smart Power Relay E-1048-8C...
Typical time/current characteristics (TU = 25 °C)
Connection diagram
LINE (+)
DC 12 V/24 V
Trip curve 1:
1 A, 2 A, 3 A, 5 A, 71/2 A and 10 A (standard 200 ms)
AS*
yellow
SF*
red
1000
control input
group fault signal
100
Trip time in ms
control signall
analogue output 0 … 5 V
10
max. 6,5 V
LOAD (+)
1
=
IN+
1…10 mA
SF *
AS *
U(I) *
max. 2 A
max. 2 A
max. 5 mA
GND
* Optionally available:
- LED indication AS / SF
- status outputs AS / SF
- analogue output U(I)
max. overload
0.1
0
1
2
typ. 1.3 x IN
(typ. 60 A)
I (A)
Pin selection CUBIC version (7 pin = “DELUXE”)
... times rated current IN
Trip curve 2: 15 A, 20 A and 25 A (standard 200 ms)
1000
E-1048-8C CUBIC version
Trip time in ms
100
10
AS
1
control signal ( ^
= LED yellow)
LINE +
2 (30)
SF
3
plus US (DC 12 V/24 V)
^ LED red)
group fault signal (=
IN+
4 (86)
control input
U(I)
5
0…5 V analogue output
GND
6 (31)
minus US
LOAD
8 (88a) load output
3
2
(30)
1
5
6
4
(31)
(86)
8 (88a)
^ automotive terminal labeling
()=
5
1
Pin selection CUBIC version (4 pin = “BASIC”)
max. overload
0.1
0
1
2
typ. 1.3 x IN
... times rated current IN
(typ. 250 A)
I (A)
E-1048-8C CUBIC version
1
LINE +
2 (30)
plus US (DC 12 V/24 V)
3
IN+
4 (86)
control input
5
GND
LOAD
6 (31)
minus US
8 (88a) load output
2
(30)
6
(31)
4
(86)
8 (88a)
^
()=
automotive terminal labeling
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications without
notice is reserved. Product markings may not be exactly as the ordering codes. Errors and
omissions excepted.
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