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Showing Results For: Safety-Rated Interlock Switches

Safety-Rated Interlock Switches

Safety-rated interlock switches are crucial components in industrial and commercial environments, designed to prevent unauthorised access to hazardous areas and ensure machine safety. These switches act as a fail-safe mechanism, automatically shutting down machinery when a door, guard, or safety barrier is opened, reducing the risk of accidents. They are widely employed for safeguarding workers in manufacturing, automation, and other sectors that involve machinery operations. These interlock switches are engineered with robust materials to withstand harsh environments, and they comply with rigorous safety standards, making them perfect for safety-critical applications. 

How They Work?

Interlock switches monitor and control access points, such as doors and guards, and disable machinery when these points are breached. They use electromechanical or electronic mechanisms to detect access, triggering an immediate shutdown to prevent exposure to hazardous areas.

Salient Features and Benefits of Using Our Best-in-Class Safety-Rated Interlock Switches

  • High durability and resistance to environmental factors.
  • Compliance with international safety standards (e.g., ISO 14119).
  • Available in multiple configurations to suit various applications.
  • Enhances operator safety by preventing access to moving parts.
  • Minimises downtime by integrating seamlessly with machine control systems.
  • Reduces the risk of accidents and operational hazards.

Popular Types

  • Tongue Interlock Switches: These are inserted into a locking mechanism and are ideal for hinged doors.
  • Hinge Interlock Switches: Integrated into hinges, perfect for smaller doors.
  • Non-Contact Interlock Switches: Use magnetic or RFID technology for non-contact operation.

Application Areas of Safety-Rated Interlock Switches

Safety-rated interlock switches are indispensable for any environment where worker safety and compliance are priorities, such as:

  • Widely used in manufacturing plants, packaging machinery, and automated systems.
  • Essential for safeguarding robots, conveyor belts, and heavy machinery.
  • Suitable for food processing, automotive, and pharmaceutical industries.

Material Composition

Typically made from durable materials like stainless steel, thermoplastic, and metal alloys to resist wear, corrosion, and mechanical stress.


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SI-LS83D, Banner
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£ 38.86
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SI-QS90E, Banner
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£ 43.18
Schneider Electric
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XCSE7412, Schneider Electric
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£ 489.79
Schneider Electric
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XCSLF3535512, Schneider Electric
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£ 279.66
Schneider Electric
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XCSE5342, Schneider Electric
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£ 407.68
Schneider Electric
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XCSE731130, Schneider Electric
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£ 492.34
Schneider Electric
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XCSTE5331, Schneider Electric
2 In Stock
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£ 261.65
Schneider Electric
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XCSTE7342, Schneider Electric
1 In Stock
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£ 260.43
Schneider Electric
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XCSPA693, Schneider Electric
1 In Stock
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£ 50.22
Schneider Electric
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XCSE731121, Schneider Electric
1 In Stock
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£ 492.35
Schneider Electric
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XCSPA292, Schneider Electric
2 In Stock
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£ 45.20
Schneider Electric
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XCSTE7331, Schneider Electric
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£ 269.14
Schneider Electric
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XCSLE2525332, Schneider Electric
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£ 162.42
Schneider Electric
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XCSE5322, Schneider Electric
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£ 376.56
Schneider Electric
XCSLF3737612, Schneider Electric
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£ 391.48
Schneider Electric
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XCSPA192, Schneider Electric
6 In Stock
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£ 43.73
Schneider Electric
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XCSPL751, Schneider Electric
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£ 48.66
Schneider Electric
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XCSPL752, Schneider Electric
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£ 59.46
Schneider Electric
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XCSPL551, Schneider Electric
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£ 49.88
Schneider Electric
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XCSE8511, Schneider Electric
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£ 418.21
Schneider Electric
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XCSE8312, Schneider Electric
4 In Stock
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£ 424.82
Schneider Electric
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XCSPA892, Schneider Electric
2 In Stock
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£ 49.77
Schneider Electric
XCSLE3737512, Schneider Electric
2 In Stock
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£ 205.81
Schneider Electric
XCSLF3837512, Schneider Electric
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£ 298.71
Schneider Electric
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XCSE5541, Schneider Electric
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£ 454.51
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New Items
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XCSPA491, Telemecanique

XCSPA491, Telemecanique

XCS PA Series, Miniature 2 positive opening contacts as standard, on guard opening Head rotates in 90° steps giving 8 actuator entry points Minimum operating force for positive opening: 15N Ingress protection IP67 1 x cable entry tapped M16 x 1.5 ISO or PG11 Actuator needs ordering separately (see stock no. 252-3870 typically) Standards Complies with EN1088, EN60204 Interlock Switch
New items
200025, IDEM

200025, IDEM

IDEM Kobra Plastic Safety Interlock Switches The Kobra KP series from IDEM are tongue operated safety interlock switches that fit to the leading edge of sliding, hinged or lift off machine guards. These safety switches have positively operated switching contacts and a strong tamper resistant key mechanism designed to provide robust position interlock detection for moving guards. Depending upon the risk assessment for the application, the Kobra KP can be used independently to provide positively operated contacts to EN60947-5-1 or can be used in combination with any dual channel safety monitoring relays to provide up to Category 4 PLe ISO13849-1 or SIL3 EN62061. A choice of contact blocks and various actuators are available to aid installation and maintain durability. Positive break contacts to IEC 60947-5-1 High functional safety to ISO 13849-1 Contact blocks can be replaced 4 actuator entry positions Rotatable heads Polyester housing Stock nos. 826-3928 and 826-3937 have stainless steel heads 3 or 4 pole contact blocks 2NC / 1NO, 3NC / 1NO or 4NC 3 conduit entry points M20 IP67 protection Industry standard - 40mm fixing centres Housing: 52 x 98 x 40mm Note Only stock no. 826-3925 is supplied with a flat actuator. Standard, flat, plastic flexible, heavy duty flexible and hygienic actuators are available separately. The flexible actuators are perfect for tight radius guards. The hygienic actuator is made from stainless steel with a mirror polished finish. Approvals CE, cULus, TUV. Standards EN1088, IEC 60947-5-1, EN60204-1, ISO 13849-1, EN62061, EN954-1, UL508. Interlock Switch
New items
204007, IDEM

204007, IDEM

IDEM Kobra Stainless Steel Safety Interlock Switches The Kobra Hygiecam series from IDEM are tongue operated safety interlock switches that fit to the leading edge of sliding, hinged or lift off machine guards. These safety switches have positively operated switching contacts and a strong tamper resistant key mechanism designed to provide robust position interlock detection for moving guards. Depending upon the risk assessment for the application, the Kobra Hygiecam can be used independently to provide positively operated contacts to EN60947-5-1 or can be used in combination with any dual channel safety monitoring relays to provide up to Category 4 PLe ISO13849-1 or SIL3 EN62061. These safety interlock switches have a rugged stainless steel 316 body and have been designed to cope with the rigorous applications of the Food Processing, Pharmaceutical, Packaging and Petro-Chemical industries. Two versions are available, the K-SS and KM-SS, which offer a choice of contact blocks and various actuators to aid installation and maintain durability. Positive break contacts to IEC 60947-5-1 High functional safety to ISO 13849-1 Contact blocks can be replaced 3 or 4 pole contact blocks 2NC / 1NO or 3NC / 1NO Rotatable stainless steel 316 head Stainless steel 316 body and external fixings Connects to most safety relays to give up to PLe Cat.4 IP69K protection maintained by a double seal lid gasket and seals Can be high pressure hosed with detergent at high temperature Resistance to many organic and inorganic chemicals Suitable for SIP and CIP processes Hygiecam K-SS Safety Switch 4 actuator entry positions 3 conduit entry points M20 Industry standard housing - will fit on 40mm fixing centres Housing: 58 x 98 x 34mm Hygiecam KM-SS Safety Switch Mirror polished finish 8 actuator entry positions 1 conduit entry points M20 DIN standard body mounting - will fit on 30mm fixing centres Housing: 41.6 x 118 x 44mm Note Not supplied with an actuator. Standard, flat, plastic fl...
New items
XCSTA892, Telemecanique

XCSTA892, Telemecanique

XCSTA Safety Interlock Switch 3 positive opening contacts as standard, on guard opening Head rotates in 90° steps giving 8 actuator entry points Minimum operating force for positive opening: 15N Ingress protection IP67 2 x cable entries tapped M16 x 1.5 ISO or PG11 Actuator needs ordering separately (see stock no. 252-3870 typically) Height (mm) Width (mm) Depth (mm) Contact Rating Operating Temperature (°C) 114.5 52 30 240Vac (AC-15) 3A; 250Vdc (DC-13) 0.27 A -25 to +70 Interlock Switch
New items
106824  LS-S02-24DMT-ZBZ/X, Eaton

106824 LS-S02-24DMT-ZBZ/X, Eaton

Eaton Switch The Eaton switch is a safety position switch from the LS ZBZ/X series. It comes with a magnet power interlock monitoring. Its housing is made of insulating material. Features and Benefits • 2NC contact configuration • Compact in dimensions • Key actuator type • Magnetic lock • Screw terminal socket for screwing on contacts • Service temperature ranges between -25°C and 40°C • Time control of the release operation possible using ESR5-NV3-30 (safety relay) Applications • Doors Certifications • CE certified • CSA 12528 • CSA 3211-03 • CSA Type 3R, 4X (indoor use only), 12, 13 • DGUV approved • EN60947-5 • IP65 rating • IP66 rating • UL 508 listed
New items
106819 | LS-11-ZB, Eaton

106819 | LS-11-ZB, Eaton

Safety position switch, 1N/O+1N/C, insulated material, +actuator ZB, spring clamp connection
New items
106828 & LS-S11-230AMT-ZBZ/X, Eaton

106828 & LS-S11-230AMT-ZBZ/X, Eaton

Position switch, 1N/O+1N/C, basic, magnet-powered interlock
New items
EX-AZ 16-12ZVRK-3D, Schmersal

EX-AZ 16-12ZVRK-3D, Schmersal

AZ16, ATEX Long life - up to 1 million mechanical operations Double insulated 3 cable entries M16 x 1.5 Large wiring compartment High level of contact reliability with low voltages and currents Patented roller system - not sensitive to dirty conditions Slotted holes for adjustment, circular holes for location Note Actuator not supplied and must be ordered separately Standards IEC 60947-5-1, IEC 61241-1, BG-GS-ET-15 Interlock Switch
New items
PSEN me3.1/2AR, Pilz

PSEN me3.1/2AR, Pilz

PSENmech Safety Switch The PSENmech from Pilz is a mechanical safety switch with separate actuator, suitable for mounting on safety guards. The interlock switch is triggered if the guards are opened, stopping any hazardous machine movement via a Pilz evaluation device. Flexibility and speed during installation plus high plant availability Compact design Can be connected to all Pilz evaluation devices Up to four horizontal and four vertical approach directions Operating temperature -30 to +80°C Screw terminals M20 Plastic bodied design IP65 protection Approvals EC, BG, CCC, cCSAus Standards VDE 0660 T100, EN 60947-1, VDE 0660 T200, EN 60947-5-1, IEC 60947-5-1 GS-ET-19 Interlock Switch
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Safety-Rated Interlock Switches and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Safety-Rated Interlock Switches or any other product.
This depends on the Safety-Rated Interlock Switches individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Safety-Rated Interlock Switches and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Safety-Rated Interlock Switches.
Yes. We keep updating our stock frequently and if a product like Safety-Rated Interlock Switches is not in stock then we will let you know.