32
D
GB
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E
I
96463-08.2019-DGbFEIRu
5
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Electrical connection
5.11 Verification of the intrinsic safety of the PTC hot gas sensor
Thermal protection thermostat
(Art. No. 50159)
Conditions for intrinsic safety
U
o
≤
U
i1
15.8
≤
30
[ V ]
U
o
≤
U
i2
15.8
≤
30
[ V ]
I
o
≤
I
i1
200
≤
300
[ mA ]
I
o
≤
I
i2
200
≤
300
[ mA ]
P
o
≤
P
i1
395
≤
9000
[ mW ]
P
o
≤
P
i2
395
≤
9000
[ mW ]
L
o
≥
∑
L
i1
+
L
i2
+
L
c
*
0.5
≥
0.25*
[ mH ]
C
o
≥
∑
C
i1
+
C
i2
+
C
c
*
478
≥
50*
[ nF ]
To verify the intrinsic safety of the hot gas sensor, the following values must be rated:
*) Values for L
c
/
C
c
represent example values for the total output length of 250 m, and they must be
updated by the system builder in accordance with your design.
L
i1
+
L
i2
: O mH C
i1
+
C
i2
: O nF
