SI-LS42 Series
Locking Style Safety Interlock Switches
Guard locking safety switches include a machine mounted switch and a guard mounted actuator that prevent access to an area by remaining locked together until the hazardous motion has come to a complete stop.
- Mechanically coded actuators use two independent operating elements, making it difficult to bypass safety functions
- Rotating head requires little or no tools to adjust to one of four positions
- Can be used to prevent access to a hazard, ensure critical processes are not interrupted, or secure material and equipment from theft or tampering
- Once locked, a machine guard door will not open, eliminating an opportunity for nuisance trips, even if exposed to frequent impact or prolonged vibration
- IP67-rated safety devices that resist dust, dirt, and some exposure to water and similar environmental challenges
- Design meets positive opening requirements for safety interlocks
- Available in power-to-lock and power-to-unlock models with rigid and flexible in-line actuators and a wide range of solenoid voltages
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Product Selection
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SI-LS42DMI
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-LS42DMG
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-LS42DMH
Interlock Body, Solenoid Locking
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC, 1 NC/1 NO
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DSH
Interlock Body, Spring Locking
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DSI
Interlock Body, Spring 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-LS42WSG
Interlock Body, Spring Locking
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-LS42DMJ
Interlock Body, Solenoid Locking
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 3 NC; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DMMHF
Solenoid Locking: Flexible In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DSG
Interlock Body, Spring 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-LS42DMSIF
Spring Locking: Flexible In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DMMIF
Solenoid Locking: Flexible In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DMSH
Spring Locking: Standard In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DMSGF
Spring Locking: Flexible In-line
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-LS42WSH
Interlock Body, Spring Locking
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 46 mm; Plastic Housing -
SI-LS42DMMGF
Solenoid Locking: Flexible In-line
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-LS42DMSHF
Spring Locking: Flexible In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMG
Interlock Body, Solenoid Locking
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-LS42DMMI
Solenoid Locking: Straight In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DMMJF
Solenoid Locking: Flexible In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 3 NC; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMSGF
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-LS42DSJ
Interlock Body, Spring Locking
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 3 NC; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DMMG
Solenoid Locking: Standard In-line
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-LS42DMMH
Solenoid Locking: Standard In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMI
Interlock Body, Solenoid Locking
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 46 mm; Plastic Housing -
SI-LS42WMMGF
Solenoid Locking: Flexible 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-GL42DS01-20Q01
SI-GL42 Series Safety Interlock Switch
Spring Lock/Solenoid Unlock; 24 V dc
Contact Configuration: Actuator: 1 NO, Monitor: 2NC
Connector: 1 x 8-pin M12 bottom -
SI-LS42DMMJ
Solenoid Locking: Straight In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 3 NC; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42DMSI
Spring Locking: Straight In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMSG
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-LS42WMMIF
Solenoid Locking: Flexible In-line
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 46 mm; Plastic Housing -
SI-LS42DMSJF
Spring Locking: Flexible In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 3 NC; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMSIF
Spring Locking: Flexible In-line
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WSI
Interlock Body, Spring Locking
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 46 mm; Plastic Housing -
SI-LS42DMSG
Spring Locking: Standard In-line
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-LS42WMSH
Spring Locking: Straight In-line
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC; 1 NC/1NO
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMH
Interlock Body, Solenoid Locking
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 46 mm; Plastic Housing -
SI-LS42DMSJ
Spring Locking: Straight In-line
Solenoid Voltage: 24 V ac/dc
Contact Configuration: 3 NC; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMSHF
Spring Locking: Flexible In-line
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 46 mm; Plastic Housing -
SI-LS42WMMG
Solenoid 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 45 mm; Plastic Housing -
SI-LS42WMMH
Solenoid Locking: Straight In-line
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMMHF
Solenoid Locking: Flexible In-line
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC; 1 NC/1 NO
Dimensions: 170 x 43 x 46 mm; Plastic Housing -
SI-LS42WMMI
Solenoid Locking: Straight In-line
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 45 mm; Plastic Housing -
SI-LS42WMSI
Spring Locking: Straight In-line
Solenoid Voltage: 110/230 V ac
Contact Configuration: 2 NC/1 NO; 1 NC
Dimensions: 170 x 43 x 46 mm; Plastic Housing