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ESX10-TB-120DC24V-3A-E 数据表(PDF) 1 Page - ETAL Group

部件名 ESX10-TB-120DC24V-3A-E
功能描述  Selective load protection, electronic trip characteristics
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制造商  ETAL [ETAL Group]
网页  http://www.etalgroup.com
标志 ETAL - ETAL Group

ESX10-TB-120DC24V-3A-E 数据表(HTML) 1 Page - ETAL Group

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Electronic Circuit Protector ESX10-T.-DC 24 V
1642
1
4
Description
Technical data (Tambient = 25 °C, operating voltage US = DC 24 V)
ESX10-TD
Electronic circuit protector type ESX10-T is designed to ensure
selective disconnection of DC 24 V load systems.
DC 24 V power supplies, which are widely used in industry today, will
shut down the output in the event of an overload with the result that
one faulty load in the system can lead to complete disconnection of
all loads. As well as an unidentified failure this also means stoppage
of the whole system.
Through
selective disconnection the ESX10-T responds much faster
to overload or short circuit conditions than the switch-mode power
supply. This is achieved by active current limitation. The ESX10-T
limits the highest possible current to 1.3 to 1.8 times the selected
rated current of the circuit protector. Thus it is possible to switch on
capacitive loads of up to 75,000 µF, but they are disconnected only
in the event of an overload or short circuit.
For optimal alignment with the characteristics of the application the
current rating of the ESX10-T can be selected in fixed values from
0.5 A...12 A or in adjustable ratings e.g. [2 A/4 A/6 A]. Failure and status
indication are provided by a multicolour LED and an integral short-
circuit-proof status output or a potential-free signal contact. Remote
operation is possible by means of a remote reset signal or a remote
ON/OFF control signal. The manual ON/OFF button allows separate
actuation of individual load circuits.
The ESX10-T, with a width of only 12.5 mm, can be snapped onto
symmetrical rails ensuring ease of installation and saving space in
control cabinets.
Upon detection of overload or short circuit in the load circuit, the
MOSFET of the load output will be blocked to interrupt the
current flow. The load circuit can be re-activated via the remote
electronic reset input, control input or manually by means of the
ON/OFF button.
US patent number: US 6,490,141 B2
US patent number: US 8,237,311 B2
Features
l
Selective load protection, electronic trip characteristics.
l
Suitable for all kinds of loads (DC 24 V motors upon request)
l
Active current limitation for safe connection of capacitive loads
up to 75,000 µF and on overload/short circuit.
l
ESX10-TA/-TB:
Current ratings 0.5 A...12 A
ESX10-TD:
adjustable ratings [0.5 A/1 A/2 A], [2 A/3 A/4 A], [2 A/4 A/6 A]
and [6 A/8 A/10 A]
l
Reliable overload disconnection with 1.1 x IN plus, even with long
load lines or small cable cross sections (see table 3).
l
Manual ON/OFF button (S1).
l
Control input IN+ for remote ON/OFF signal (option).
l
Electronic reset input RE (option).
l
Clear status and failure indication through LED, status output SF
or Si contact F.
l
Integral fail-safe element adjusted to current rating.
l
Width per unit only 12.5 mm.
l
Rail mounting
l
Ease of wiring through busbar LINE+ and 0 V as well as signal bars
and bridges.
l
Additional versions with ATEX approval available.
Marking:
II 3G Ex nA IIB T4 Gc X
ESX10-TA-...-
E and ESX10-TB-...E
Please observe separate operating instructions:
Operating data
Operating voltage US
DC 24 V (18...32 V)
Current rating IN
fixed current ratings:
Type ESX10-TA-... and -TB-...:
0.5, 1 A, 2 A, 3 A, 4 A, 6 A, 8 A, 10 A, 12 A
adjustable ratings:
Type ESX10-TD-...:
[0.5 A/1 A/2 A], [2 A/4 A/6 A], [6 A/8 A/10 A]
Type ESX10-TD-101-...:
[2 A/3 A/4 A]
Closed current I0
ON condition: typically 20...30 mA
depending on signal output
Status indication
l
multicolour LED:
by means of
Green:
- unit is ON, power-MOSFET
is switched on
- status output SF ON,
supplies + DC 24 V
Orange:
- in the event of overload or short
circuit until electronic disconnection
Red:
- unit electronically disconnected
- load circuit/Power-MOSFET OFF
OFF:
- manually switched off (S1 = OFF)
or device is dead
- undervoltage (US < 8 V)
- after switch-on till the end
of the delay period
l
status output SF (option)
l
potential-free signal contact F (option)
l
ON/OFF/ condition of switch S1
Load circuit
Load output
Power-MOSFET switching output
(high side switch)
Overload disconnection
typically 1.1 x IN (1.05...1.35 x IN)
Short-circuit current IK
Active current limitation with
ILimit = typically 1.8/1.5/1.4/4.3 x IN,
ILimit depending on IN
(typical ILimit - values see table 1)
Trip characteristic
active current limitation (see table 1)
Trip thresholds/trip times
1. threshold:
(t1, t2) at overcurrent
at Iload> typically 1.1 x IN...ILimit:
(ILimit see table 1)
t1 = typically 3s.
2. threshold:
at Iload = ILimit:
t2 = typically 100 ms...3 s.
Temperature disconnection internal temperature monitoring with
electronic disconnection
Low voltage monitoring
load output
with hysteresis, no reset required
load “OFF” at US < 8 V


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