Characteristics
250
200
150
100
50
0
0,1
0,3 0,5
1
switching current A
safe breaking, no continuous arcing,
max. 1 switching cycle / s
Arc limit curve under resistive load
2
2
S
I (A )
80
70
60
50
40
30
20
10
0
10
20
Quadratic total current
2
2
S
2
I = I
+
I
+
I
1
2
3
I ; I ; I
Current via contact paths
1
2
3
max. current via 3 contact rows at Tu=55°C
2
2
3 x 2,25A = 2,25 +2,25 +2,25 = 15,2A
Total current limit curve
E. DOLD & SÖHNE KG • D-78114 Furtwangen
e-mail: dold-relays@dold.com • internet: http://www.dold.com
3
5
10
°
T ( C)
30
40
50
60
M9160
2
2
Application Examples
L1 (+)
A1(+) Y1
Y2
A2(-)
N (-)
Two-hand control
Suited up to SIL3, Performance Level e, Cat. 4
L1 (+)
K1
K2
A1(+) Y1
Y2
A2(-)
N (-)
Two-hand control with contact reinforcement via external forcibly guided
contactors. When switching inductive loads spark absorbers are recom-
mended.
Suited up to SIL3, Performance Level e, Cat. 4
•
PO Box 1251 • Telephone (+49) 77 23 / 654-0 • Telefax (+49) 77 23 / 654-356
16
S1
S12
S22
S11
13
23
33
LG5933.48
S22
S12
S21
14
24
34
S2
M9131
S1
S12
S22
S11
13
23
33
LG5933.48
S22
S12
S21
14
24
34
S2
K1
K2
M9132_a
LG 5933 / 27.06.16 en / 718
41
42
41
42