Samson 4749 Mounting And Operating Instructions page 84

Position transmitter
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IECEx KIWA 19.0022X
Certificate No.:
Date of issue:
2019-10-10
Equipment (continued):
Type designation
4749-abcde
a: Approvals
181 (Intrinsically safe / Explosion proof IECEx)
b: Options
0 (position transmitter 4 - 20 mA)
c: Reserved
X (not safety relevant)
d: Field wiring entry
0 (M20x1,5)
1 (NPT 1/2")
e: Enclosure material
0 (aluminium)
1 (stainless steel)
Electrical Data
Type of protection db or tb: Power supply:
12-28 Vdc, 4-20 mA.
Type of protection ia:
Supply and output circuit (terminals +31, -32): in type of protection intrinsic safety Ex ia IIC, only for connection to a certified intrinsically
safe circuit, with the following maximum values:
Ui = 28 V; Ii = 115 mA; Pi = 1.0 W; Ci = 19.2 nF; Li = 0 mH
15-22
IECEx Certificate
of Conformity
Page 4 of 4
Issue No: 0
EB 4749 EN

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