Datasheet

Relative negative tolerance of the control supply
voltage at DC
% -20
Relative positive tolerance of the control supply
voltage at DC
% 20
Display version for fault signal red
Mechanical data
Size of engine control device S2
Width mm 55
Height mm 160
Depth mm 170
Mounting type screw and snap-on mounting
Mounting position With additional fan: With vertical mounting surface +/-
90° rotatable, with vertical mounting surface +/- 22.5°
tiltable to the front and back Without additional fan:
With vertical mounting surface +/-10° rotatable, with
vertical mounting surface +/- 10° t
Required spacing with side-by-side mounting
● upwards
mm 60
● at the side
mm 30
● downwards
mm 40
Installation altitude at height above sea level m 5000
Wire length maximum m 300
Number of poles for main current circuit 3
Connections/Terminals
Type of electrical connection
● for main current circuit
screw-type terminals
● for auxiliary and control current circuit
screw-type terminals
Number of NC contacts for auxiliary contacts 0
Number of NO contacts for auxiliary contacts 2
Number of CO contacts for auxiliary contacts 1
Type of connectable conductor cross-sections for
main contacts for box terminal using the front
clamping point
● solid
2x (1.5 ... 16 mm²)
● finely stranded with core end processing
0.75 ... 25 mm²
● stranded
0.75 ... 35 mm²
Type of connectable conductor cross-sections for
main contacts for box terminal using the back
clamping point
● solid
2x (1.5 ... 16 mm²)
● finely stranded with core end processing
1.5 ... 25 mm²
● stranded
1.5 ... 35 mm²
3RW40 38-1BB04 Subject to change without notice
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03/01/2017 © Copyright Siemens