VEGA Z728 Zener barriers - Manual (Page 11)

11
Zener barriers - operating instructions
How to select the correct barrier
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Da
te of issu
e
05/2
3
/03
Type Nominal data Ex-characteristics for [EEx ia] IIC Certification no.
+ ve - ve a.c. V W U
z
(V) R
min
( W) I
K
(mA) P
max
(W) C
max
(µF) L
max
(mH) L/R Ratio
–
–
–
–
Z960
Z960.F
10
10
10
10
50
50
50
50
9.94
9.94
9.94
9.94
9.94
9.94
49
49
24.5
98
49
49
203
203
406
203
203
406
0.50
0.50
1.0
0.51
0.51
1.02
3;0
3;0
3;0
2.63
2.63
2.63
0.86
0.86
0.19
0.82
0.82
0.82
73
73
26
69
69
25
BAS 01 ATEX 7005
BAS 01 ATEX 7096
– – Z965 15
15
100
100
15
15
15
98
98
49
153
153
306
0.57
0.57
1.14
0.58
0.58
0.58
1.3
1.3
0.29
64
64
20
BAS 01 ATEX 7005
– – Z967 17
17
120
120
16.8
16.8
16.8
117
117
58
143
143
286
0.60
0.60
1.20
0.38
0.38
0.38
1.63
1.63
0.24
60
60
21
BAS 01 ATEX 7005
– – Z972 22
22
300
300
22
22
22
301
301
150
73
73
146
0.40
0.40
0.80
0.17
0.17
0.17
6.95
6.95
1.45
90
90
35
BAS 01 ATEX 7005
– – Z978 28
28
600
600
28
28
28
607
607
304
46
46
93
0.32
0.32
0.65
0.083
0.083
0.083
17.2
17.2
3.05
109
109
42
BAS 01 ATEX 7005
– – Z954 4.5
4.5
4.5
12
12
12
4.5
4.5
4.5
9.0
9.0
9.0
11.76
11.76
11.76
5.88
3.92
17.64
383
383
383
765
1150
510
0.43
0.43
0.43
0.86
1.29
1.15
100
100
100
4.9
4.9
4.9
0.24
0.24
0.24
0.068
0.03
0.12
81
81
81
41
27
30
BAS 01 ATEX 7005
Dummy
Z799