Pushbuttons & Electromechanical Switches – Mouser Australia

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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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Part #

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

3LD20640TB530US2
Siemens
1: $771.22
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

$771.22

$620.66

Min.: 1
Mult.: 1

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

3LD20641GP530US2
Siemens
1: $909.06
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

$909.06

$809.90

Min.: 1
Mult.: 1

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

3LD21640TB530US2
Siemens
1: $858.56
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

$858.56

$764.91

Min.: 1
Mult.: 1

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

3LD21641GP510US2
Siemens
1: $968.66
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

$968.66

$745.89

Min.: 1
Mult.: 1

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

3LD22030TK51
Siemens
1: $332.83
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

$332.83

$287.98

$271.49

$259.54

Min.: 1
Mult.: 1

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

3LD22640TB530US2
Siemens
1: $845.71
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

$845.71

$782.43

Min.: 1
Mult.: 1

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

3LD22641GP510US2
Siemens
1: $1,097.34
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

$1,097.34

$860.21

Min.: 1
Mult.: 1

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

3LD25450TK53
Siemens
1: $748.94
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

$748.94

$649.17

$612.51

Min.: 1
Mult.: 1

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

3LD28040TK53
Siemens
1: $1,003.10
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

$1,003.10

$864.53

Min.: 1
Mult.: 1

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

3LD20220TK13
Siemens
1: $261.97
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

$261.97

$224.27

$214.02

$204.62

Min.: 1
Mult.: 1

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

3LD20300TK11
Siemens
1: $249.22
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

$249.22

$215.82

$203.31

$194.51

Min.: 1
Mult.: 1

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

3LD20641GP510US2
Siemens
1: $861.81
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

$861.81

$699.98

Min.: 1
Mult.: 1

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

3LD21030TK53
Siemens
1: $290.29
4In Stock

Mfr. Part No.
3LD21030TK53

Mouser Part No
982-3LD21030TK53

Siemens

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

Datasheet

4In Stock

$290.29

$271.01

$259.95

$251.66

Min.: 1
Mult.: 1

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

3LD21031TP51
Siemens
1: $392.77
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

$392.77

$336.58

Min.: 1
Mult.: 1

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

3LD21540TK51
Siemens
1: $303.23
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

$303.23

$258.77

$247.82

$236.93

Min.: 1
Mult.: 1

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

3LD21540TK53
Siemens
1: $305.23
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

$305.23

$262.99

Min.: 1
Mult.: 1

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

3LD22030TK53
Siemens
1: $340.90
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

$340.90

$285.04

$271.49

$259.54

Min.: 1
Mult.: 1

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

3LD22540TK53
Siemens
1: $351.47
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

$351.47

$306.02

$288.69

$275.97

Min.: 1
Mult.: 1

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

3LD25040TK53
Siemens
1: $554.08
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

$554.08

$477.66

$450.08

Min.: 1
Mult.: 1

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

3LD25140TK51
Siemens
1: $617.98
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

$617.98

$546.85

$539.55

View

Min.: 1
Mult.: 1

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

3LD25550TK53
Siemens
1: $563.65
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

$563.65

$502.16

Min.: 1
Mult.: 1

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

3LD27140TK53
Siemens
1: $951.17
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

$951.17

$819.94

Min.: 1
Mult.: 1

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

3LD20030TK53
Siemens
1: $229.62
5Expected 23/02/2026

Mfr. Part No.
3LD20030TK53

Mouser Part No
982-3LD20030TK53

Siemens

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

Datasheet

5Expected 23/02/2026

$229.62

$195.82

$186.85

$179.28

Min.: 1
Mult.: 1

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

3LD21030TK51
Siemens
1: $302.03
3Expected 26/02/2026

Mfr. Part No.
3LD21030TK51

Mouser Part No
982-3LD21030TK51

Siemens

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

Datasheet

3Expected 26/02/2026

$302.03

$260.32

$247.82

$236.93

Min.: 1
Mult.: 1

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

3LD22640TB510US2
Siemens
1: $828.50
1Expected 6/03/2026

Mfr. Part No.
3LD22640TB510US2

Mouser Part No
982-3LD22640TB510US2

Siemens

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

Datasheet

1Expected 6/03/2026

$828.50

$782.43

Min.: 1
Mult.: 1