The requirements of standards EN 50014:1997 + A1-A2, EN 50020:2002 will be fulfilled.
EC-type examination certificate
for Zener barriers
MTL 7789+ Zener barrier , peak values:
* MTL 7787+ Zener barrier
5.2
Options (retrofits)
- Audible alarm (Art. no. 20162)
V 1.3
All manuals and user guides at all-guides.com
5 Technical data
Standard circuit
T erminals
Uo
Io
Ro
Po
Co
Lo
Lo/Ro
Designation
Single system type
In ignition protection class "Intrinsic safety", EEx ia IIC
OFF, ON, ALARM
15.8*/28 V
0.65*/0.33 W
3.5*/16 mH
56*/106 µH/Ù
45 / 160
Dual system type
OFF, ON1, ON2, ALARM
28 V
93 mA
300 Ù
0.33 W
0.083 µF
16 mH
106 µH/Ù