Preparation for Installation 19
Housing design
Model Housing design Degree of protection Weight
EL3020 19-inch housing IP20 approx. 7...15 kg
EL3040 Wall-mount housing IP65 approx. 13...21 kg
Power supply
Input voltage 100...240 V AC (– 15 %, + 10 %), 50...60 Hz (± 3 Hz)
Power consumption max. 187 VA
Connection 3-pin grounded-instrument connector to EN 60320-1/C14
(Mains lead supplied)
Battery Lithium button-cell 3 V CR2032, for supply of the integrated clock during a
power failure
Fidas24: Heating of the detector and sample gas inlet
Input voltage 115 V AC or 230 V AC, ± 15 % (max. 250 V AC), 47…63 Hz
Power consumption 125 VA for detector, 125 VA for sample gas Inlet (option)
Connection 4-pin plug connector (connecting cable supplied)
Electrical safety
Test to EN 61010-1:2001
Class of protection I
Overvoltage category/
degree of pollution
Power supply: III/2
Signal inputs and outputs: II/2
Safe isolation Galvanic isolation of the power supply from the other circuits by means of
reinforced or double insulation. Functional extra-low voltage (PELV) on
the low-voltage side.
Electromagnetic compatibility
Interference immunity Tested to EN 61326-1:2006.
Inspection severity: Industrial area, fulfills at least the rating "continuously
monitored operation" to Table 2 of EN 61326.
Emitted interference Tested to EN 61326-1:2006, EN 61000-3-2:2006, EN 61000-3-3:1995 +
A1:2001 + A2:2005.
Limit value class B for interference field strength and interference voltage
is met.
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