VEGA B53-19 - Manual (Page 6)

3 Product description
3 .1 Structure
The scope of delivery encompasses:
l Overvoltage arrester B53-19
l Documentation
-
this operating instructions manual
-
Ex specific safety instructions and, if necessary, further
certificates
The following illustration shows the configuration of the overvoltage
arrester B53-19:
T
yp B53 - 19
OUT
IN
IP 20
m
a
x.
1
9
V
A
C
, 2
7
V
D
C
/1
A
Li < = 0,5 mH / Ci < = 3nF
A1 A2
E1 E2
A3
E3
4
1
2
3
Fig. 1: Structure of B53-19
1 Terminals Out (protected side)
2 Screw for carrier rail fastening
3 Terminals In (unprotected side)
4 Type label
Scope of delivery
Constituent parts
6 Overvoltage arrester • B53-19
3 Product description
40490
-EN
-110527