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E-1073-0233-437-B3-K60-5 データシート(PDF) 2 Page - ETAL Group

部品番号 E-1073-0233-437-B3-K60-5
部品情報  Battery and cable protection for all types of vehicle (including electric), battery powered systems.
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メーカー  ETAL [ETAL Group]
ホームページ  http://www.etalgroup.com
Logo ETAL - ETAL Group

E-1073-0233-437-B3-K60-5 データシート(HTML) 2 Page - ETAL Group

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Battery Isolation Switch E-1073-437
www.e-t-a.de
1646
2
2
Features
l
Multiple functions in one unit
- High performance circuit breaker providing battery and cable
protection from overloads and short-circuits.
- Master switch for ON/OFF operation
- Electrical remote control
- Undervoltage protection with status output
- Auxiliary contacts (e. g. for generator disconnection)
- Active reverse polarity protection of the entire vehicle electrical
system
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Current ratings to 240 A (higher voltage ratings to special order)
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Closed-circuit current consumption < 1 mA
Technical description
E-T-A circuit breaker 437 combined with electronic control unit E-1073
will meet a wide range of requirements.
Circuit breaker
The main switching contacts will open the plus, the minus or both
poles according to model and application.
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Series E-1073-....437
Single pole thermal-magnetic circuit breaker for current ratings up to
240 A, to protect the vehicle electrical system from overloads
and short circuits.
Electronic control unit
An electronic control unit enables the basic on/off function and two
additional functions. The system voltage is connected across terminals
+UB/-UB to provide the supply to the control unit and a feed is taken
from +US1 for the remotely sited operating switch(es). The quiescent
current drain is typically less than 1 mA, with a short duration excursion
during excitation of the ON/OFF coils.
Basic function
Switch ON/OFF
Operation of the ON control switch will energise the switch-on coil for
approximately 100 ms causing the main switching contacts to latch
closed. Operation of the OFF control switch will cause the disconnect
coil to trigger the release of the switching mechanism within
approximately 20 ms. Both coil circuits are current limited to prevent
damage through overheating.
Manual operation
An optional external operating knob is available to provide manual
control in addition to electrical ON/OFF operation.
Reverse polarity protection
In the event of reverse polarity connection, the electronic control unit
will immediately operate the battery switch to isolate the entire
electrical system. The circuit breaker will trip after a short delay to
protect the operating coils and must be re-set once the fault has
been corrected.
Control functions
Type 1
E-1073-.1.. with ON/OFF switch
ON/OFF control switch input (»E/A«)
The battery isolation switch can be operated on or off by an
external control switch to plus.
Undervoltage protection (optional)
This optional feature protects the battery from deep discharge
should electrical loads be left on.
The battery is automatically disconnected whenever the voltage
falls below a critical value for more than 40 s. The unit is reset
by operation of the control switch. Sustained undervoltage after
reconnection causes the unit to disconnect again after approx. 40 s.
Overriding the undervoltage protection (»U-AUS«)
Undervoltage protection may be overridden if required by
connecting control output »U-AUS« to plus terminal or terminal 15.
Undervoltage status output (»UST«)
Undervoltage is signalled immediately via the minus-switching,
short-circuit proof transistor output (2 W lamp load).
Type 2
E-1073-.2.. with ON/OFF button
ON/OFF control inputs (»T-ON/T-OFF«)
ON/OFF function is provided by two external switches with a
central control function, i. e. several systems can be operated
simultaneously.
Additional control current supply (»+US2«)
If several circuit breakers/battery isolation switches are operated
in parallel, switches can be supplied with control current from
any of the electronic control units available. This power source
is short-circuit proof, protected from noise voltages and will
operate for 20 inputs.
Additional control input »ON/OFF Test« (»E/A«)
This control input can be used for maintenance purposes. The
battery isolation switch is switched on when plus voltage is applied,
and switched off when plus voltage is removed.
Note
The circuit breaker should be in the OFF condition when connecting or
replacing the battery.
Observe instructions for installation!


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