<10. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
10-21
IM 01R01B02-00E-E 12th edition October 01, 2014 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
10.9 Intrinsically safe EAC (Russia, Belarus, Kazakhstan)
certied RAMC (/GS1)
The RAMC with electronic transmitter (-E, -H) with or without limit switches is certied as intrinsic safe unit with
EAC approval.
Certicate Nr. : RU С-DЕ.ГБО8.В.00317
Explosion proof : 0Ex ia IIC T6 X
Ambient temperature : -40°C ... +70 °C
Safety relevant maximum values of electronic transmitter :
Maximum voltage : U
i
= 30 V
Maximum current : I
i
= 101 mA
Maximum power : P
i
= 1.4 W
Inner inductance : L
i
= 150 µH
Inner capacity : C
i
= 4.16 nF
Data of limit switches option /K1 to /K10 :
The following table shows the maximum safety parameters for intrinsic safe limit switches according the EAC-
certicate RU С-DЕ.ГБО5.В.00338 :
Standard /K1 ... /K3
0Ex ia IIC T6...T1 X
Fail Safe /K6 .../K10
0Ex ia IIC T6...T1 X
Type 2 Type 3 Type 2 Type 3
Ui [V] 16 16 16 16
Ii [mA] 25 52 25 52
Pi [mW] 64 169 64 169
Ci [nF] 150 150 30 30
Li [µH] 150 150 100 100
max. ambient temp. [°C] for T6 49 28 49 28
max. ambient temp. [°C] for T5 61 40 61 40
max. ambient temp. [°C] for T4 - T1 89 68 89 68
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