.hide-partial { max-height: none; } .show-more { display: none; }

Interlock Switches

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,425

Applied Filters:

Manufacturer

Contact Form

Switch Function

Current Rating

Voltage Rating AC

Voltage Rating DC

Power Rating

Termination Style

Key Type

Number of Positions

Housing Material

IP Rating

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Interlock Switches Spring Locking: Straight In-line; Solenoid Voltage: 110/230 V ac; Contact Configuration: 1 NC/1 NO; 1 NC/1 NO; Dimensions: 170 x 43 x 46 mm; Plastic Housing

SI-LS42WMSG
Banner Engineering
1: $516.00
2In Stock

Mfr. Part No.
SI-LS42WMSG

Mouser Part No
778-SI-LS42WMSG

Banner Engineering

Interlock Switches Spring Locking: Straight In-line; Solenoid Voltage: 110/230 V ac; Contact Configuration: 1 NC/1 NO; 1 NC/1 NO; Dimensions: 170 x 43 x 46 mm; Plastic Housing

Datasheet

2In Stock

$516.00

Min.: 1
Mult.: 1

ON - ON

110 VAC/230 VAC

4.4 VA

Wire

Thermoplastic (TP)

IP67

Interlock Switches Spring Locking: Flexible In-line; Solenoid Voltage: 110/230 V ac; Contact Configuration: 1 NC/1 NO; 1 NC/1NO; Dimensions: 170 x 43 x 46 mm; Plastic Housing

SI-LS42WMSGF
Banner Engineering
1: $553.00
2In Stock

Mfr. Part No.
SI-LS42WMSGF

Mouser Part No
778-SI-LS42WMSGF

Banner Engineering

Interlock Switches Spring Locking: Flexible In-line; Solenoid Voltage: 110/230 V ac; Contact Configuration: 1 NC/1 NO; 1 NC/1NO; Dimensions: 170 x 43 x 46 mm; Plastic Housing

Datasheet

2In Stock

$553.00

Min.: 1
Mult.: 1

ON - ON

110 VAC/230 VAC

4.4 VA

Wire

Thermoplastic (TP)

IP67

Interlock Switches Flat Pack Switch: In-line; Actuator Position: Front Top or Back; Contact Configuration: 2 NC; Dimensions: 90 x 52 x 33 mm; Plastic Housing

SI-QS90ME
Banner Engineering
1: $98.00
5In Stock

Mfr. Part No.
SI-QS90ME

Mouser Part No
778-SI-QS90ME

Banner Engineering

Interlock Switches Flat Pack Switch: In-line; Actuator Position: Front Top or Back; Contact Configuration: 2 NC; Dimensions: 90 x 52 x 33 mm; Plastic Housing

Datasheet

5In Stock

$98.00

Min.: 1
Mult.: 1

2 NC

10 A

Thermoplastic (TP)

IP65

Interlock Switches MKEY4, NPT, 2NC/1N0 STD. KEY

2TLA050001R1100
ABB
1: $126.40
2In Stock
New At Mouser

Mfr. Part No.
2TLA050001R1100

Mouser Part No
894-2TLA050001R1100

New At Mouser

ABB

Interlock Switches MKEY4, NPT, 2NC/1N0 STD. KEY

Datasheet

2In Stock

$126.40

$119.41

$115.61

$110.30

View

Min.: 1
Mult.: 1

1 NO + 2 NC

Screw

Standard Key

Polyester

IP67

Interlock Switches MKEY1 COMPACT NPT 2NC/1N0 FLAT KEY

2TLA050021R1200
ABB
1: $92.99
5In Stock
New At Mouser

Mfr. Part No.
2TLA050021R1200

Mouser Part No
894-2TLA050021R1200

New At Mouser

ABB

Interlock Switches MKEY1 COMPACT NPT 2NC/1N0 FLAT KEY

Datasheet

5In Stock

$92.99

$87.33

$82.96

$78.82

View

Min.: 1
Mult.: 1

1 NO + 2 NC

Screw

Flat Key

Polyester

IP67

Interlock Switches INTERLOCK SW, 30N FORCE, M16, 2NC+1NO

3SE22430XX18
Siemens
1: $173.29
3In Stock

Mfr. Part No.
3SE22430XX18

Mouser Part No
982-3SE22430XX18

Siemens

Interlock Switches INTERLOCK SW, 30N FORCE, M16, 2NC+1NO

Datasheet

3In Stock

$173.29

$171.83

$167.83

$167.82

View

Min.: 1
Mult.: 1

1 NO + 2 NC

4 A

230 VAC

24 VDC

Screw

IP67

Interlock Switches INTERLOCK SW,TOP & SIDE ENTRY,1NO + 2NC

3SE22430XX30
Siemens
1: $179.23
1In Stock

Mfr. Part No.
3SE22430XX30

Mouser Part No
982-3SE22430XX30

Siemens

Interlock Switches INTERLOCK SW,TOP & SIDE ENTRY,1NO + 2NC

Datasheet

1In Stock

$179.23

$177.61

$173.46

$173.45

View

Min.: 1
Mult.: 1

1 NO + 2 NC

4 A

230 VAC

24 VDC

Screw

IP67

Interlock Switches INTERLOCK SW,TOP & SIDE ENTRY,1NO + 2NC

3SE22430XX40
Siemens
1: $180.34
6In Stock

Mfr. Part No.
3SE22430XX40

Mouser Part No
982-3SE22430XX40

Siemens

Interlock Switches INTERLOCK SW,TOP & SIDE ENTRY,1NO + 2NC

Datasheet

6In Stock

$180.34

$170.00

Min.: 1
Mult.: 1

1 NO + 2 NC

4 A

230 VAC

24 VDC

Screw

IP67

Interlock Switches INTERLOCK SW,TOP&SIDE ENTRY,1NO+2NC

3SE51220QV10
Siemens
1: $193.91
1In Stock

Mfr. Part No.
3SE51220QV10

Mouser Part No
982-3SE51220QV10

Siemens

Interlock Switches INTERLOCK SW,TOP&SIDE ENTRY,1NO+2NC

Datasheet

1In Stock

$193.91

$190.90

$186.41

$186.40

View

Min.: 1
Mult.: 1

3PST

120 mA, 4 A

400 VAC

400 VDC

Screw

IP66, IP67

Interlock Switches INTERLOCK SW,TOP&SIDE ENTRY,1NO+1NC

3SE52320RV40
Siemens
1: $113.39
1In Stock

Mfr. Part No.
3SE52320RV40

Mouser Part No
982-3SE52320RV40

Siemens

Interlock Switches INTERLOCK SW,TOP&SIDE ENTRY,1NO+1NC

Datasheet

1In Stock

$113.39

$102.36

$95.99

$90.69

View

Min.: 1
Mult.: 1

DPST

ON - OFF, OFF - ON

120 mA, 4 A

400 VAC

400 VDC

Screw

IP65

Interlock Switches INTERLOCK SW,SOLENOID LOCK,24VDC,LED

3SE53221SB21
Siemens
1: $613.77
1In Stock

Mfr. Part No.
3SE53221SB21

Mouser Part No
982-3SE53221SB21

Siemens

Interlock Switches INTERLOCK SW,SOLENOID LOCK,24VDC,LED

Datasheet

1In Stock

$613.77

$590.38

View

Min.: 1
Mult.: 1

3PST

270 mA, 3 A

240 VAC

250 VDC

Screw

IP66, IP67

Interlock Switches SAFETY INTRLCK SWTCH 300VAC 10A XCSTA

XCSTA793
Telemecanique
1: $121.43
1In Stock
9Expected 20/04/2026

Mfr. Part No.
XCSTA793

Mouser Part No
996-XCSTA793

Telemecanique

Interlock Switches SAFETY INTRLCK SWTCH 300VAC 10A XCSTA

Datasheet

1In Stock

9Expected 20/04/2026

$121.43

$114.48

$105.87

Min.: 1
Mult.: 1

3P3T

6 A

300 VAC

Cable

Key

3 Position

Polyamide (PA)

Interlock Switches SafetySwitch Std Head 1NO-2NC

HS5D-12RN
IDEC
1: $69.42
5In Stock

Mfr. Part No.
HS5D-12RN

Mouser Part No
199-HS5D12RN

IDEC

Interlock Switches SafetySwitch Std Head 1NO-2NC

Learn More

Datasheet

5In Stock

$69.42

$66.75

$65.94

$63.99

$61.56

Min.: 1
Mult.: 1

3P3T

2.5 A

250 VAC

30 VDC

Screw

IP67

Interlock Switches Interlck 4Cnt RearUnlk SprgLck

HS5L-VB44LM-G
IDEC
1: $244.55
1In Stock

Mfr. Part No.
HS5L-VB44LM-G

Mouser Part No
199-HS5LVB44LMG

IDEC

Interlock Switches Interlck 4Cnt RearUnlk SprgLck

Learn More

Datasheet

1In Stock

$244.55

Min.: 1
Mult.: 1

DPST

2.5 A

125 VAC

30 VDC

Spring Terminal

IP67

Interlock Switches MINI LIMIT SWITCH,WOBBLE,1NO/1NC

E48KL03
Eaton Electrical
1: $128.61
5In Stock
New At Mouser

Mfr. Part No.
E48KL03

Mouser Part No
504-E48KL03

New At Mouser

Eaton Electrical

Interlock Switches MINI LIMIT SWITCH,WOBBLE,1NO/1NC

Learn More

Datasheet

5In Stock

$128.61

Min.: 1
Mult.: 1

Screw

Interlock Switches IEC LIMIT SWITCH,PLASTIC,1NO/1NC

LS-S11S
Eaton Electrical
1: $56.20
11In Stock
New At Mouser

Mfr. Part No.
LS-S11S

Mouser Part No
504-LS-S11S

New At Mouser

Eaton Electrical

Interlock Switches IEC LIMIT SWITCH,PLASTIC,1NO/1NC

Datasheet

11In Stock

$56.20

$52.93

$43.17

$40.78

View

Min.: 1
Mult.: 1

DPDT

3 A, 6 A

230 VAC

24 VDC

Screw

Safety

Plastic

IP66, IP67

Interlock Switches LIMIT SWITCH HEAD, PLASTIC ROLLER LEVER

LS-XLB
Eaton Electrical
1: $12.56
16In Stock
New At Mouser

Mfr. Part No.
LS-XLB

Mouser Part No
504-LS-XLB

New At Mouser

Eaton Electrical

Interlock Switches LIMIT SWITCH HEAD, PLASTIC ROLLER LEVER

Learn More

Datasheet

16In Stock

$12.56

$10.40

$9.65

$9.11

View

Min.: 1
Mult.: 1

3 A, 6 A

230 VAC

24 VDC

Screw

Safety

IP66, IP67

Interlock Switches SPDT 15A SCREW TERM.

23TL604
C&K
1: $46.13
1In Stock

Mfr. Part No.
23TL604

Mouser Part No
611-23TL604

C&K

Interlock Switches SPDT 15A SCREW TERM.

Datasheet

1In Stock

$46.13

$36.94

$34.90

Min.: 1
Mult.: 1

SPDT

ON - (OFF), OFF - (ON)

15 A

250 VAC

250 VDC

Quick Connect

Bulk

Interlock Switches Standard 3mm Gap SPDT-NO-NC Panel Mt

D2D-1100
Omron Electronics
1: $7.29
87In Stock

Mfr. Part No.
D2D-1100

Mouser Part No
653-D2D-1100

Omron Electronics

Interlock Switches Standard 3mm Gap SPDT-NO-NC Panel Mt

Datasheet

87In Stock

$7.29

$6.56

Min.: 1
Mult.: 1

SPDT

ON - (OFF), OFF - (ON)

16 A

250 VAC

Solder Pin

Interlock Switches DOOR INTERLOCK SWITCH

D2D-1102
Omron Electronics
1: $9.82
50In Stock

Mfr. Part No.
D2D-1102

Mouser Part No
653-D2D-1102

Omron Electronics

Interlock Switches DOOR INTERLOCK SWITCH

Datasheet

50In Stock

$9.82

$9.26

$8.57

$7.60

View

Min.: 1
Mult.: 1

SPST

ON - (OFF)

16 A

250 VAC

Quick Connect

IP40

Interlock Switches Hinge Safety Interlock Switch-Stainless Steet; Inline Cable Both Sides; Double Hinge; 2 x 2NC/1 NO; 6-wire 5 m Cable; IP69

SI-HG63F5MB-W
Banner Engineering
1: $475.00
2In Stock

Mfr. Part No.
SI-HG63F5MB-W

Mouser Part No
778-SI-HG63F5MB-W

Banner Engineering

Interlock Switches Hinge Safety Interlock Switch-Stainless Steet; Inline Cable Both Sides; Double Hinge; 2 x 2NC/1 NO; 6-wire 5 m Cable; IP69

Datasheet

2In Stock

$475.00

Min.: 1
Mult.: 1

Cable

Stainless Steel/Thermoplastic

IP67, IP69

Interlock Switches Hinge Safety Interlock Switch Stainless Steel; Inline Cable; Switch Mounted Left Side w/ QD Down; 2NC/1 NO; 6-wire 5 m Cable; IP69

SI-HG63F5ML-W
Banner Engineering
1: $265.00
1In Stock

Mfr. Part No.
SI-HG63F5ML-W

Mouser Part No
778-SI-HG63F5ML-W

Banner Engineering

Interlock Switches Hinge Safety Interlock Switch Stainless Steel; Inline Cable; Switch Mounted Left Side w/ QD Down; 2NC/1 NO; 6-wire 5 m Cable; IP69

Datasheet

1In Stock

$265.00

Min.: 1
Mult.: 1

Cable

Stainless Steel/Thermoplastic

IP67, IP69

Interlock Switches Hinge - Blank: SI-HGZ63 Family; Die-Cast Zinc

SI-HGZ63A
Banner Engineering
1: $60.00
2In Stock

Mfr. Part No.
SI-HGZ63A

Mouser Part No
778-SI-HGZ63A

Banner Engineering

Interlock Switches Hinge - Blank: SI-HGZ63 Family; Die-Cast Zinc

Datasheet

2In Stock

$60.00

Min.: 1
Mult.: 1

3 A, 1 A

230 VAC

24 VDC

Screw

Zinc

IP67, IP69

Interlock Switches Interlock Body, Solenoid Locking; Solenoid Voltage: 24 V ac/dc; Contact Configuration: 1 NC/1 NO; 1 NC/1 NO; Dimensions: 170 x 43 x 45 mm; Plastic Housing

SI-LS42DMG
Banner Engineering
1: $374.00
1In Stock

Mfr. Part No.
SI-LS42DMG

Mouser Part No
778-SI-LS42DMG

Banner Engineering

Interlock Switches Interlock Body, Solenoid Locking; Solenoid Voltage: 24 V ac/dc; Contact Configuration: 1 NC/1 NO; 1 NC/1 NO; Dimensions: 170 x 43 x 45 mm; Plastic Housing

Datasheet

1In Stock

$374.00

Min.: 1
Mult.: 1

ON - ON

24 VAC

24 VDC

4.4 VA

Wire

Thermoplastic (TP)

IP67

Interlock Switches Interlock Body, Solenoid Locking; Solenoid Voltage: 24 V ac/dc; Contact Configuration: 2 NC/1 NO; 1 NC; Dimensions: 170 x 43 x 45 mm; Plastic Housing

SI-LS42DMI
Banner Engineering
1: $398.00
3In Stock

Mfr. Part No.
SI-LS42DMI

Mouser Part No
778-SI-LS42DMI

Banner Engineering

Interlock Switches Interlock Body, Solenoid Locking; Solenoid Voltage: 24 V ac/dc; Contact Configuration: 2 NC/1 NO; 1 NC; Dimensions: 170 x 43 x 45 mm; Plastic Housing

Datasheet

3In Stock

$398.00

Min.: 1
Mult.: 1

ON - ON

24 VAC

24 VDC

4.4 VA

Wire

Thermoplastic (TP)

IP67

Interlock Switches

Customer Service Office

Company

Resources

Support

1 NC + 1 NC
1 NC + 1 NC / 1NC + 1 NC
1 NO + 1 NC
1 NO + 2 NC
2 NC
2 NO
3 NC
3 NO + 1 NC
4 NO + 2 NC
3P3T
3PDT
3PST
4P4T
4PST
DP4T
DPDT
DPST
DPST-NC
DPST-NO/NC
SPDT

100 mA
120 mA, 4 A
200 mA, 30 A
200 mA, 40 A
270 mA, 1.5 A
270 mA, 3 A
270 mA, 4 A
300 mA
500 mA, 15 A, 40 A
500 mA, 40 A
550 mA, 4 A
1 A, 2 A
2.5 A
3 A
3 A, 1 A
3 A, 30 A
3 A, 4 A
3 A, 6 A
4 A
5 A