
Issue C
4
259
%
Germany (0 91 87) 10-0 – USA (847) 827-7600 – UK (01296) 420336 – www.etacbe.com
E-1073-.1...-437/-921/-922 control function for ON/OFF switch
E-1073-.2...-437/-921/-922 control function for ON/OFF switch
Dimensions Enclosures
E-1073-...-437/-921-...-K12-...
CB
E-1073-...-437/921-...-K60-...
CB
1073-...-922-...-K72-...
Dimensions
Battery Isolation Switches E-1073-437 and E-1073-921/-922
Connection diagrams
170
5
23
13
11
12
14
a
b
24
154
1
4
4
6
2
5
6
FE
72
92
180
9
57
M5
3
M10x25
tightening torque max. 4 Nm
154
1
4
4
2
141
23
13
11
12
14
a
b
24
6
FE
72
92
23
13
11
12
14
a
b
24
154
1
5
2
5
6
F
72
92
190
9
57
M5
M10x25
tightening torque max. 4 Nm
9
57
M5
M10x25
tightening torque max. 4 Nm
CB
164
6
terminal strip
1
10
II
I
288
1
6
116
57
4
26
15.3
4
82.5
82.5
35
7
1
0 I
288
1
1
1
cylinder head screw
ISO 1207 M6x16-4.8
7
9
196
-B3, single pole
-B35, single pole with operating knob
-B32, double pole
-B34, double pole, with operating knob
ON / OFF
switch
series 921/922
series 437
(only with
series 437)
Electronic control unit
ON/OFF
U-OFF UST.
I >
Load
A-W
II
11
23
13
FA
b
a
FE
3
4
L13
black-
red
L12
L11
FA
L
L
L
L
battery
I
12
1
2
+US1
4
E/A
U-OFF
6
7
8
9
10
-UB
24
14
L
+US1
L
L
CB
6
5
L1 red
+UB
L
-UB
+
+
UVP OFF
undervoltage status
output max. 2 W
L14 grey
UST.
terminal strip
A
“
power supply
2
m
w
d 125 A
≥
ON / OFF
test
terminal strip
(only with
series 437)
Load
power supply
+US2
I >
II
11
23
13
FA
b
a
FE
3
4
L13
L12
L11
ON/OFF
L
L
L
L
battery
I
12
1
2
3
+US1
4
E/A
5
T-AUS
6
7
+US2
8
9
10
-UB
24
14
L
+US1
L
L
T-OFF
T-ON
CB
6
5
L1 rot
+UB
L
-UB
OFF
button
ON
button
+US2
T-EIN
L
series 921/922
series 437
Electronic control unit
2
m
w
d 125 A
≥