VEGA VEGATRENN 149A Ex User Manual
Page 20

20
9 Supplement
VEGATRENN 149A Ex • Ex-separator for 4 … 20 mA/HART
24816-01-131025
Ʋ in the range of -20 … 0 °C
(-4 … +32 °F)
≤ 0.2 %/10 K
Indications
Indication of the function
Ʋ LED yellow
lights up with closed output circuit
Ʋ LED response current
< 2 mA
Ambient conditions
Ambient temperature
-20 … +50 °C (-4 … +122 °F)
Storage and transport temperature
-20 … +70 °C (-4 … +158 °F)
Climatic class
according to EN 60654-1, class B2
Electrical protective measures
Protection rating
IP 20
Overvoltage category
II
Protection class
I
Electrical separating measures
Reliable separation according to VDE 0106 part 1 between all circuits
Ʋ Reference voltage
253 V
Ʋ Isolation resistance
3.75 kV
Functional safety (SIL)
The instrument can be used in safety-instrumented systems according to IEC 61508/IEC 61511-1
(service proven).
If the instrument is already ordered with SIL qualification Ex factory, then the corresponding Safety
Manual with information on the topic "Functional safety (SIL)" is part of the shipment.
If the instrument is ordered Ex factory without SIL qualification, then the corresponding Safety
Manual is available under "www.vega.com", "Downloads", "Approvals".
Approvals
Instruments with approvals can have different technical data depending on the version.
For that reason the associated approval documents of these instruments have to be carefully
noted. They are part of the delivery or can be downloaded under www.vega.com via "VEGA Tools"
and "serial number search" as well as via "Downloads" and "Approvals".