<7. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
7-11
IM 01R01B30-00E-E 8th edition November 01, 2019-00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
7.4 Intrinsically safe IECEx certified RAKD (/ES1)
7.4.1 Technical data
Certificate Nr.:
IECEx DEK 12.0003X
Applicable standards: IEC 60079-0: 2011
IEC 60079-11: 2011
The RAKD with electronic transmitter and limit switches are intrinsically safe devices. This device is certified for
hazardous areas of zone 1 and zone 2. It is not homologated for zone 0.
Type of protection:
Intrinsically safe Ex ia IIC T6...T4 Gb
Data of electronic transmitter:
Ambient temperature: -25 °C to +65 °C
Safety relevant maximum values:
Supply (current output):
Maximum voltage:
U
i
= 30 V
Maximum current:
I
i
= 100 mA
Maximum power:
P
i
= 750 mW
Inner inductance:
L
i
= 0.73 mH
Inner capacity:
C
i
= 2.4 nF
Pulse output:
Maximum voltage:
U
i
= 16 V
Maximum current:
I
i
= 20 mA
Maximum power:
P
i
= 64 mW
Inner inductance:
L
i
= 0 mH
Inner capacity:
C
i
= 0 nF
Data of limit switches:
Safety relevant maximum values:
Table 7-4
Standard /K1 to /K3
Fail-safe /K6 to /K8
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
