Battery Isolation Switch E-1073-437

www.e-t-a.de

1646

4

2

For road vehicles, e.g. buses and coaches

Series E-1073-1102-437...

In this application, the E-T-A combined battery switch/circuit

breaker has several functions:

l

High performance circuit breaker rated at 240 A, providing

battery and cable protection from overloads and short circuits.

l

Isolation switch, for ON/OFF operation (e. g. for main system

disconnection).

l

Remote control via external, low-current circuit.

l

Undervoltage protection from battery deep discharge should

electrical loads be left on.

l

Early under voltage signalisation via a warning lamp

(undervoltage status output), located as required.

l

Undervoltage operation can be overridden if required.

l

Auxiliary contact to disconnect the generator field.

l

Reverse polarity protection through immediate disconnection

of the entire vehicle electrical system if the battery is

incorrectly connected.

These functions allow the number of components and cables

required to be reduced, with significant space and weight saving

benefits.

E-T-A E-1073-1233-437-

control

ON/OFF

T-OFF

T-ON

+US2

battery + E- 1073-1233-437-

underground carriage

ON/OFF test

OFF

ON

II

I

34

5

6/7

8

9

10

+UB

-UB

+US1

+

–

+US2

I >

+

–

+

+

–

E-T-A E-1073-1233-437-

control

II

I

34

5

6/7

8

9

10

+UB

-UB

ON/OFF

+US1

T-OFF

+

–

T-ON

+US2

I >

battery + E- 1073-1233-437-

underground carriage

+

–

+

+

–

ON/OFF test

OFF

ON

(External power supply not shown)

Typical applications

ON / OFF

button

series 437

Electronic control unit

I >

FE

II 11

23

13

FA

b

a

FE

3

4

L13

brown

L12

brown

L11

green

FA

ON/OFF

battery

I

12

12

34

56

7

8

9

10

24

14

+US1

U-OFF UST.

CB

6

5

L1 red

+UB-UB

-UB

+

+

UVP OFF

undervoltage status

max. 2 W

ON/OFF

+US1

U-OFF

UST.

terminal strip

double

contact

≥ 125 A

85

86

30

87 87a

31

Kl. 15

+

-

Kl. 15

For rail vehicles, e.g. underground carriages

Series E-1073-1233-437...

In this application, the E-T-A combined battery switch/circuit breaker

has two functions:

l

High performance circuit breaker providing battery and cable

protection from overloads and short circuits.

l

Isolation switch between battery and loads.

In this application, an ON/OFF remote control switch can be provided

in both the first and last carriages. This will enable all batteries to be

disconnected from the power distribution system by the operation

of one control, irrespective of its location. In the same way, all

batteries can be re-connected by the operation of a single control

switch.

This is extremely helpful during coupling/de-coupling of carriages

for example. In addition the E/A test input permits the operation of

individual battery switch/circuit breakers during maintenance.

This is a metric design and millimeter dimensions take precedence ( mm )

inch

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.