Pushbuttons & Electromechanical Switches – Mouser Canada

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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: $747.12
4In Stock

Mfr. Part #
3LD20640TB530US2

Mouser Part #
982-3LD20640TB530US2

Siemens

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

Datasheet

4In Stock

$747.12

$601.26

Min.: 1
Mult.: 1

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

3LD20641GP530US2
Siemens
1: $880.65
14In Stock

Mfr. Part #
3LD20641GP530US2

Mouser Part #
982-3LD20641GP530US2

Siemens

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

Datasheet

14In Stock

$880.65

$784.59

Min.: 1
Mult.: 1

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

3LD21640TB530US2
Siemens
1: $831.73
3In Stock

Mfr. Part #
3LD21640TB530US2

Mouser Part #
982-3LD21640TB530US2

Siemens

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

Datasheet

3In Stock

$831.73

$741.01

Min.: 1
Mult.: 1

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

3LD21641GP510US2
Siemens
1: $938.39
4In Stock

Mfr. Part #
3LD21641GP510US2

Mouser Part #
982-3LD21641GP510US2

Siemens

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

Datasheet

4In Stock

$938.39

$722.58

Min.: 1
Mult.: 1

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

3LD22030TK51
Siemens
1: $322.43
11In Stock

Mfr. Part #
3LD22030TK51

Mouser Part #
982-3LD22030TK51

Siemens

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

Datasheet

11In Stock

$322.43

$278.98

$263.00

$251.43

Min.: 1
Mult.: 1

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

3LD22640TB530US2
Siemens
1: $819.28
3In Stock

Mfr. Part #
3LD22640TB530US2

Mouser Part #
982-3LD22640TB530US2

Siemens

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

Datasheet

3In Stock

$819.28

$757.98

Min.: 1
Mult.: 1

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

3LD22641GP510US2
Siemens
1: $1,063.05
3In Stock

Mfr. Part #
3LD22641GP510US2

Mouser Part #
982-3LD22641GP510US2

Siemens

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

Datasheet

3In Stock

$1,063.05

$833.33

Min.: 1
Mult.: 1

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

3LD25450TK53
Siemens
1: $725.54
5In Stock

Mfr. Part #
3LD25450TK53

Mouser Part #
982-3LD25450TK53

Siemens

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

Datasheet

5In Stock

$725.54

$628.88

$593.37

Min.: 1
Mult.: 1

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

3LD28040TK53
Siemens
1: $971.76
5In Stock

Mfr. Part #
3LD28040TK53

Mouser Part #
982-3LD28040TK53

Siemens

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

Datasheet

5In Stock

$971.76

$837.51

Min.: 1
Mult.: 1

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

3LD20220TK13
Siemens
1: $253.78
5In Stock

Mfr. Part #
3LD20220TK13

Mouser Part #
982-3LD20220TK13

Siemens

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

Datasheet

5In Stock

$253.78

$217.26

$207.33

$198.23

Min.: 1
Mult.: 1

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

3LD20300TK11
Siemens
1: $241.43
1In Stock

Mfr. Part #
3LD20300TK11

Mouser Part #
982-3LD20300TK11

Siemens

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

Datasheet

1In Stock

$241.43

$209.08

$196.96

$188.43

Min.: 1
Mult.: 1

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

3LD20641GP510US2
Siemens
1: $834.88
2In Stock

Mfr. Part #
3LD20641GP510US2

Mouser Part #
982-3LD20641GP510US2

Siemens

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

Datasheet

2In Stock

$834.88

$678.11

Min.: 1
Mult.: 1

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

3LD21030TK53
Siemens
1: $281.22
5In Stock

Mfr. Part #
3LD21030TK53

Mouser Part #
982-3LD21030TK53

Siemens

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

Datasheet

5In Stock

$281.22

$262.54

$251.83

$243.80

Min.: 1
Mult.: 1

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

3LD21031TP51
Siemens
1: $380.49
2In Stock

Mfr. Part #
3LD21031TP51

Mouser Part #
982-3LD21031TP51

Siemens

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

Datasheet

2In Stock

$380.49

$326.06

Min.: 1
Mult.: 1

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

3LD21540TK51
Siemens
1: $293.76
3In Stock

Mfr. Part #
3LD21540TK51

Mouser Part #
982-3LD21540TK51

Siemens

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

Datasheet

3In Stock

$293.76

$250.68

$240.08

$229.52

Min.: 1
Mult.: 1

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

3LD21540TK53
Siemens
1: $295.69
1In Stock

Mfr. Part #
3LD21540TK53

Mouser Part #
982-3LD21540TK53

Siemens

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

Datasheet

1In Stock

$295.69

$254.77

Min.: 1
Mult.: 1

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

3LD22030TK53
Siemens
1: $330.24
3In Stock

Mfr. Part #
3LD22030TK53

Mouser Part #
982-3LD22030TK53

Siemens

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

Datasheet

3In Stock

$330.24

$276.13

$263.00

$251.43

Min.: 1
Mult.: 1

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

3LD22540TK53
Siemens
1: $340.49
1In Stock

Mfr. Part #
3LD22540TK53

Mouser Part #
982-3LD22540TK53

Siemens

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

Datasheet

1In Stock

$340.49

$296.45

$279.67

$267.34

Min.: 1
Mult.: 1

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

3LD25040TK53
Siemens
1: $536.77
3In Stock

Mfr. Part #
3LD25040TK53

Mouser Part #
982-3LD25040TK53

Siemens

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

Datasheet

3In Stock

$536.77

$462.74

$436.02

Min.: 1
Mult.: 1

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

3LD25140TK51
Siemens
1: $598.67
2In Stock

Mfr. Part #
3LD25140TK51

Mouser Part #
982-3LD25140TK51

Siemens

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

Datasheet

2In Stock

$598.67

$529.76

$522.69

View

Min.: 1
Mult.: 1

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

3LD25550TK53
Siemens
1: $546.03
4In Stock

Mfr. Part #
3LD25550TK53

Mouser Part #
982-3LD25550TK53

Siemens

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

Datasheet

4In Stock

$546.03

$486.47

Min.: 1
Mult.: 1

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

3LD27140TK53
Siemens
1: $921.44
1In Stock

Mfr. Part #
3LD27140TK53

Mouser Part #
982-3LD27140TK53

Siemens

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

Datasheet

1In Stock

$921.44

$794.31

Min.: 1
Mult.: 1

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

3LD20030TK53
Siemens
1: $222.44
5Expected 2026-03-06

Mfr. Part #
3LD20030TK53

Mouser Part #
982-3LD20030TK53

Siemens

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

Datasheet

5Expected 2026-03-06

$222.44

$189.70

$181.01

$173.68

Min.: 1
Mult.: 1

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

3LD21030TK51
Siemens
1: $292.59
4Expected 2026-03-06

Mfr. Part #
3LD21030TK51

Mouser Part #
982-3LD21030TK51

Siemens

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

Datasheet

4Expected 2026-03-06

$292.59

$252.19

$240.08

$229.52

Min.: 1
Mult.: 1

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

3LD22640TB510US2
Siemens
1: $802.61
1Expected 2026-03-06

Mfr. Part #
3LD22640TB510US2

Mouser Part #
982-3LD22640TB510US2

Siemens

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

Datasheet

1Expected 2026-03-06

$802.61

$757.98

Min.: 1
Mult.: 1