VEGA VEGATRENN 149A Ex User Manual

Page 20

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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".

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