Pushbuttons & Electromechanical Switches – Mouser Singapore

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SENTRON 3LD Main Control & EMERGENCY-STOP Switches

Siemens SENTRON 3LD Main Control and EMERGENCY-STOP Switches are switch disconnectors featuring rated currents up to 250A. Siemens 3LD comes in 3-, 4-, and 6-pole versions and features 25kA to 50kA maximum short circuit. These main control and EMERGENCY-STOP switches come in various mounting types, including floor mounting, distribution board mounting, front mounting, and molded-plastic enclosures.

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Types of Pushbuttons & Electromechanical Switches

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Results: 28

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Part #

Control Switches DISC SW 16A N4X SCW ROT HDL R/Y 3P

3LD20640TB530US2
Siemens
1: $669.99
4In Stock

Mfr. Part No.
3LD20640TB530US2

Mouser Part No
982-3LD20640TB530US2

Siemens

Control Switches DISC SW 16A N4X SCW ROT HDL R/Y 3P

Datasheet

4In Stock

$669.99

$539.19

Min.: 1
Mult.: 1

Control Switches DISC SW 16A N4X SCW ROT HDL R/Y 3P AUX

3LD20641GP530US2
Siemens
1: $789.74
14In Stock

Mfr. Part No.
3LD20641GP530US2

Mouser Part No
982-3LD20641GP530US2

Siemens

Control Switches DISC SW 16A N4X SCW ROT HDL R/Y 3P AUX

Datasheet

14In Stock

$789.74

$703.60

Min.: 1
Mult.: 1

Control Switches DISC SW 25A N4X SCW ROT HDL R/Y 3P

3LD21640TB530US2
Siemens
1: $745.87
3In Stock

Mfr. Part No.
3LD21640TB530US2

Mouser Part No
982-3LD21640TB530US2

Siemens

Control Switches DISC SW 25A N4X SCW ROT HDL R/Y 3P

Datasheet

3In Stock

$745.87

$664.52

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 25A N4X SCW ROT HDL BLK 3P AUX

3LD21641GP510US2
Siemens
1: $841.52
4In Stock

Mfr. Part No.
3LD21641GP510US2

Mouser Part No
982-3LD21641GP510US2

Siemens

Disconnect Switches DISC SW 25A N4X SCW ROT HDL BLK 3P AUX

Datasheet

4In Stock

$841.52

$647.99

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 32A ROT HDL 4HOLE BLK 3P

3LD22030TK51
Siemens
1: $289.15
11In Stock

Mfr. Part No.
3LD22030TK51

Mouser Part No
982-3LD22030TK51

Siemens

Disconnect Switches DISC SW 32A ROT HDL 4HOLE BLK 3P

Datasheet

11In Stock

$289.15

$250.19

$235.86

$225.47

Min.: 1
Mult.: 1

Control Switches DISC SW 32A N4X SCW ROT HDL R/Y 3P

3LD22640TB530US2
Siemens
1: $734.71
3In Stock

Mfr. Part No.
3LD22640TB530US2

Mouser Part No
982-3LD22640TB530US2

Siemens

Control Switches DISC SW 32A N4X SCW ROT HDL R/Y 3P

Datasheet

3In Stock

$734.71

$679.74

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 32A N4X SCW ROT HDL BLK 3P AUX

3LD22641GP510US2
Siemens
1: $953.32
3In Stock

Mfr. Part No.
3LD22641GP510US2

Mouser Part No
982-3LD22641GP510US2

Siemens

Disconnect Switches DISC SW 32A N4X SCW ROT HDL BLK 3P AUX

Datasheet

3In Stock

$953.32

$747.31

Min.: 1
Mult.: 1

Control Switches DISC SW 63A DOOR ROT HDL 1HOLE R/Y 3P

3LD25450TK53
Siemens
1: $650.65
5In Stock

Mfr. Part No.
3LD25450TK53

Mouser Part No
982-3LD25450TK53

Siemens

Control Switches DISC SW 63A DOOR ROT HDL 1HOLE R/Y 3P

Datasheet

5In Stock

$650.65

$563.96

$532.12

Min.: 1
Mult.: 1

Control Switches DISC SW 125A ROT HDL 4HOLE R/Y 3P

3LD28040TK53
Siemens
1: $871.45
5In Stock

Mfr. Part No.
3LD28040TK53

Mouser Part No
982-3LD28040TK53

Siemens

Control Switches DISC SW 125A ROT HDL 4HOLE R/Y 3P

Datasheet

5In Stock

$871.45

$751.06

Min.: 1
Mult.: 1

Control Switches DISC SW 16A KNOB 4HOLE R/Y 3P

3LD20220TK13
Siemens
1: $227.58
5In Stock

Mfr. Part No.
3LD20220TK13

Mouser Part No
982-3LD20220TK13

Siemens

Control Switches DISC SW 16A KNOB 4HOLE R/Y 3P

Datasheet

5In Stock

$227.58

$194.84

$185.93

$177.77

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 16A KNOB DIST BOARD BLK 3P

3LD20300TK11
Siemens
1: $216.51
1In Stock

Mfr. Part No.
3LD20300TK11

Mouser Part No
982-3LD20300TK11

Siemens

Disconnect Switches DISC SW 16A KNOB DIST BOARD BLK 3P

Datasheet

1In Stock

$216.51

$187.50

$176.63

$168.98

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 16A N4X SCW ROT HDL BLK 3P AUX

3LD20641GP510US2
Siemens
1: $748.70
2In Stock

Mfr. Part No.
3LD20641GP510US2

Mouser Part No
982-3LD20641GP510US2

Siemens

Disconnect Switches DISC SW 16A N4X SCW ROT HDL BLK 3P AUX

Datasheet

2In Stock

$748.70

$608.11

Min.: 1
Mult.: 1

Control Switches DISC SW 25A ROT HDL 4HOLE R/Y 3P

3LD21030TK53
Siemens
1: $252.19
5In Stock

Mfr. Part No.
3LD21030TK53

Mouser Part No
982-3LD21030TK53

Siemens

Control Switches DISC SW 25A ROT HDL 4HOLE R/Y 3P

Datasheet

5In Stock

$252.19

$235.44

$225.83

$218.63

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 25A ROT HDL 4HOLE BLK 3P AUX

3LD21031TP51
Siemens
1: $341.22
2In Stock

Mfr. Part No.
3LD21031TP51

Mouser Part No
982-3LD21031TP51

Siemens

Disconnect Switches DISC SW 25A ROT HDL 4HOLE BLK 3P AUX

Datasheet

2In Stock

$341.22

$292.40

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 25A ROT HDL 1HOLE BLK 3P

3LD21540TK51
Siemens
1: $263.43
3In Stock

Mfr. Part No.
3LD21540TK51

Mouser Part No
982-3LD21540TK51

Siemens

Disconnect Switches DISC SW 25A ROT HDL 1HOLE BLK 3P

Datasheet

3In Stock

$263.43

$224.80

$215.30

$205.83

Min.: 1
Mult.: 1

Control Switches DISC SW 25A ROT HDL 1HOLE R/Y 3P

3LD21540TK53
Siemens
1: $265.17
1In Stock

Mfr. Part No.
3LD21540TK53

Mouser Part No
982-3LD21540TK53

Siemens

Control Switches DISC SW 25A ROT HDL 1HOLE R/Y 3P

Datasheet

1In Stock

$265.17

$228.47

Min.: 1
Mult.: 1

Control Switches DISC SW 32A ROT HDL 4HOLE R/Y 3P

3LD22030TK53
Siemens
1: $296.15
3In Stock

Mfr. Part No.
3LD22030TK53

Mouser Part No
982-3LD22030TK53

Siemens

Control Switches DISC SW 32A ROT HDL 4HOLE R/Y 3P

Datasheet

3In Stock

$296.15

$247.63

$235.86

$225.47

Min.: 1
Mult.: 1

Control Switches DISC SW 32A ROT HDL 1HOLE R/Y 3P

3LD22540TK53
Siemens
1: $305.34
1In Stock

Mfr. Part No.
3LD22540TK53

Mouser Part No
982-3LD22540TK53

Siemens

Control Switches DISC SW 32A ROT HDL 1HOLE R/Y 3P

Datasheet

1In Stock

$305.34

$265.85

$250.80

$239.75

Min.: 1
Mult.: 1

Control Switches DISC SW 63A ROT HDL 4HOLE R/Y 3P

3LD25040TK53
Siemens
1: $481.36
3In Stock

Mfr. Part No.
3LD25040TK53

Mouser Part No
982-3LD25040TK53

Siemens

Control Switches DISC SW 63A ROT HDL 4HOLE R/Y 3P

Datasheet

3In Stock

$481.36

$414.97

$391.01

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 63A DOOR ROT HDL 4HOLE BLK 3P

3LD25140TK51
Siemens
1: $536.87
2In Stock

Mfr. Part No.
3LD25140TK51

Mouser Part No
982-3LD25140TK51

Siemens

Disconnect Switches DISC SW 63A DOOR ROT HDL 4HOLE BLK 3P

Datasheet

2In Stock

$536.87

$475.07

$468.74

View

Min.: 1
Mult.: 1

Control Switches DISC SW 63A ROT HDL 1HOLE R/Y 3P

3LD25550TK53
Siemens
1: $489.67
4In Stock

Mfr. Part No.
3LD25550TK53

Mouser Part No
982-3LD25550TK53

Siemens

Control Switches DISC SW 63A ROT HDL 1HOLE R/Y 3P

Datasheet

4In Stock

$489.67

$436.25

Min.: 1
Mult.: 1

Control Switches DISC SW 100A DOOR ROT HDL 4HOLE R/Y 3P

3LD27140TK53
Siemens
1: $826.33
1In Stock

Mfr. Part No.
3LD27140TK53

Mouser Part No
982-3LD27140TK53

Siemens

Control Switches DISC SW 100A DOOR ROT HDL 4HOLE R/Y 3P

Datasheet

1In Stock

$826.33

$712.32

Min.: 1
Mult.: 1

Control Switches DISC SW 16A ROT HDL 4HOLE R/Y 3P

3LD20030TK53
Siemens
1: $199.48
5Expected 6/3/2026

Mfr. Part No.
3LD20030TK53

Mouser Part No
982-3LD20030TK53

Siemens

Control Switches DISC SW 16A ROT HDL 4HOLE R/Y 3P

Datasheet

5Expected 6/3/2026

$199.48

$170.12

$162.32

$155.75

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 25A ROT HDL 4HOLE BLK 3P

3LD21030TK51
Siemens
1: $262.39
4Expected 6/3/2026

Mfr. Part No.
3LD21030TK51

Mouser Part No
982-3LD21030TK51

Siemens

Disconnect Switches DISC SW 25A ROT HDL 4HOLE BLK 3P

Datasheet

4Expected 6/3/2026

$262.39

$226.15

$215.30

$205.83

Min.: 1
Mult.: 1

Disconnect Switches DISC SW 32A N4X SCW ROT HDL BLK 3P

3LD22640TB510US2
Siemens
1: $719.76
1Expected 6/3/2026

Mfr. Part No.
3LD22640TB510US2

Mouser Part No
982-3LD22640TB510US2

Siemens

Disconnect Switches DISC SW 32A N4X SCW ROT HDL BLK 3P

Datasheet

1Expected 6/3/2026

$719.76

$679.74

Min.: 1
Mult.: 1