MEDC Ex ResistTel - Manual (Page 15)

15
2.3 Headphones accessory (identification)
(Terminal pair HSS No.: 9 – 10)
Maximum
output voltage U
o
17 V
Maximum output current I
o
8 mA
Maximum output power P
o
33 mW
Maximum external capacitance C
o
375 nF
Maximum external inductivity L
o
100 mH
2.4 External loudspeaker
(Terminal pair SPK No.: 11 – 12)
Maximum
output voltage U
o
6,6 V
Maximum output current I
o
250 mA
Maximum output power P
o
370 mW
Maximum external capacitance C
o
22 µF
Maximum external inductivity L
o
0.3 mH
2.5 All intrinsically safe output electrical circuits have a linear
output characteristic curve.
3. Ambient temperature range
-25°C < T
a
< 60°C for temperature class T5
-25°C < T
a
< 40°C for temperature class T6
Explosion protection – identification
Figure Type Plates
Telephone / Telephone ZB, Type ExResistTel
Insulation class I Insulation class II