Siemens LV 10 · 2004 7/5
SENTRIC Switch Disconnectors
SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A

Front mounting

7
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Area of application
The SENTRIC3LD2 switches are used for switching main control
and auxiliary circuits, but they are also implemented for switch-
ing three-phase induction motors and other loads for mainte-
nance and repair.
They can be used as
•On-Off switches,
•EMERCENCY-STOP switches and
•Main control switches according to EN 60204-1.
Main control and EMERGENCY-STOP switches are, in accor-
dance with IEC60947-3/
VDE0660 Part 107 (EN 60947-3)
, man-
ually operated switch disconnectors and comply with the isola-
tion conditions and the requirements of machine guideline
EN60204-1.
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Selection and ordering data
1)Screw fixing or snap-on mounting on 35 mm rail is standard.
2)A terminal cover for the infeed side is included in the scope of supply.
3)4th contact as N conductor to be ordered separately, see Accessories.
Number and version
of contacts Rated data
at 50 Hz ... 60 Hz
380 V ... 440 V
DT Four-hole
mounting PS* Weight
per PU
approx.
DT center-hole mount-
ing
Ø 22.5 mm
PS* Weight
per PU
approx.
Main
contacts Auxiliary
contacts P/
AC-23A
Iu
kW A Order No. kg Order No. kg

Main control and EMERGENCY-STOP switch with rotary operating

mechanism

1)2)
•Lockable in 0 position with max. 3 padlocks
•IP65 degree of protection at the front
•Front plate
–3LD2 0, 3LD2 1, 3LD2 2: 67 mm × 67 mm
–3LD2 5 to 3LD2 8: 90 mm × 90 mm.
3LD2 203-0TK53
3– 7.516}3LD2 003–0TK.. 1 unit 0.207 A 3LD2 054–0TK.. 1 unit 0.215
9.5 25 }3LD2 103–0TK.. 1 unit 0.206 A 3LD2 154–0TK.. 1 unit 0.215
11.5 32 }3LD2 203–0TK.. 1 unit 0.206 A 3LD2 254–0TK.. 1 unit 0.214
22 63 }3LD2 504–0TK.. 1 unit 0.424A 3LD2 555–0TK.. 1 unit 0.443
37 100 }3LD2 704–0TK.. 1 unit 0.501 –
45 125 A 3LD2 804–0TK.. 1 unit 0.503 –
3 + N – 7.5 16 }3LD2 003–1TL.. 1 unit 0.217 A 3LD2 054–1TL.. 1 unit 0.230
9.5 25 A 3LD2 103–1TL.. 1 unit 0.243A 3LD2 154–1TL.. 1 unit 0.256
11.5 32 A 3LD2 203–1TL.. 1 unit 0.243A 3LD2 254–1TL.. 1 unit 0.260
22 63 }3LD2 504–0TK.. 1 unit 0.424A 3LD2 555–0TK.. 1 unit 0.443
+3) +3)
}3LD9 250–0B 1 unit 0.079}3LD9 250–0B 1 unit 0.079
37 100 }3LD2 704–0TK.. 1 unit 0.501 –
+3)
}3LD9 280–0B 1 unit 0.101
45 125 A 3LD2 804–0TK.. 1 unit 0.503 –
+3)
}3LD9 280–0B 1 unit 0.101
Actuator >>
black 51 51
red/yellow (EMERGENCY-STOP) 53 53
* This quantity or a multiple thereof can be ordered.