<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)
certified RAMC (/GS1)
The RAMC with electronic transmitter (-E, -H) with or without limit switches is certified as intrinsic safe unit with
EAC approval.
Certificate 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-
certificate
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