Safety

Onlinecomponents.com stocks more than 235 Safety parts from 13 manufacturers, covering applications across Light Curtain, Safety Controller. Featured suppliers include Schneider Electric, Omron Automation, Wieland Electric, Carlo Gavazzi, Trumeter Company, Littelfuse Industrial Products and many more, with authorized distribution, datasheets, and tiered pricing on every part. Browse Safety by taxonomies — Light Curtain (90), Safety Controller (145) — or refine results using the supplier, availability, RoHS, and part-status filters on the left. All Safety listings include real-time inventory, RoHS status, and lead-time information; request a quote on any restricted or low-availability item directly from its product page.

Electronic component safety products are the foundation of risk prevention in modern industrial automation and control systems. These devices, ranging from safety relays and emergency stop switches to light curtains and safety controllers, are engineered to prevent accidents, safeguard personnel, and protect vital equipment. Their importance spans various industries where reliable operation and regulatory compliance are crucial.

Online Components offers one of the broadest selections of electronic component safety products on the market. Our inventory encompasses every major product category, including safety relays, emergency stop switches, light curtains, safety controllers, safety interlock switches, and more. You'll find trusted brands such as Omron, Littelfuse, Honeywell, and Carlo Gavazzi, each recognized for reliability and engineering excellence. Product specifications matter: choose from devices with high Ingress Protection (IP) ratings for challenging environments, Safety Integrity Level (SIL) or Performance Level (PL) certifications for risk assessment, and compatibility with modern and legacy control systems.

How to Choose the Right Electronic Component Safety Products

Choosing the correct electronic component safety device begins with assessing your environment and compliance needs. Certification is crucial. Always verify that the product meets the necessary Safety Integrity Level (SIL) or Performance Level (PL) required for your application. Environmental conditions are another key factor; high IP ratings help ensure components withstand dust, moisture, or temperature extremes. Compatibility is the final piece. Ensure your chosen device matches your system's voltage, communication protocol, and physical dimensions to avoid installation issues. By considering these factors, you can ensure your safety components deliver long-term reliability and meet industry standards.

Popular Applications for Electronic Component Safety

Electronic component safety products are at work in virtually every industrial setting. In manufacturing, safety relays and emergency stop buttons protect workers and equipment on high-speed automated lines. The food and beverage industry utilizes interlock switches and safety sensors to ensure equipment operates only when safe, maintaining both process integrity and regulatory compliance.

Automotive assembly plants rely on light curtains and safety controllers to shield personnel and optimize production in robotic environments. Pharmaceutical operations require redundant safety circuits and certified safety components to comply with stringent industry regulations. Even in logistics and warehousing, safety devices on conveyors and automated systems help prevent workplace injuries and maintain efficient operation.

Why Buy Electronic Component Safety Products from Online Components?

Sourcing safety-critical electronic components from Online Components offers several key advantages. We maintain a robust, U.S.-based inventory, providing same-day shipping on thousands of in-stock parts to reduce downtime and keep your project timelines on track. Every component is sourced from authorized suppliers, ensuring the authenticity and traceability of our products.

Our responsive customer support team understands the urgency of safety and downtime, delivering expert assistance when it's needed most. With our streamlined online ordering platform, you can quickly find, compare, and purchase electronic component safety products with confidence.

Electronic Component Safety: What You Need to Know

What types of electronic component safety devices are available?

Common products include safety relays, emergency stop switches, light curtains, and safety controllers. Each is engineered for specific roles in automation, from halting machines in emergencies to monitoring hazardous zones.

How do I determine which safety certification I need?

Begin with a thorough risk assessment. Match your needs to the required SIL or PL. Always choose components that meet or exceed your assessed risk level.

Can these safety devices be integrated into older equipment?

Yes, many modern safety components are designed for easy retrofit. Just confirm that the voltage, interface, and mounting match your existing setup.

Are electronic safety components available for harsh environments?

Absolutely. Many safety devices come with high IP ratings and certifications for resistance to dust, water, or chemicals. Always check the product datasheet to confirm suitability.

See More
Featured Related Products
Featured Suppliers

Omron Automation G9SPN20S - Programmable Safety controller,G9SP standalone - 20 safety ...

Omron Automation

Programmable Safety controller,G9SP standalone - 20 safety input - 8 safety output - 6 test output. PNP

  • In Stock: 9

    Immediately

  • MANUFACTURER STOCK 293

    Ships 9/14/26


  • 1
    $1,107.06
  • 3
    $1,093.02
  • 5 +
    $1,066.06
See More

Omron Automation F3SG4SRB104025 - Safety Light Curtain - F3SG-SRB Standard - Type 4 - 25 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRB Standard - Type 4 - 25 mm resolution - range 0.3 to 20.0 m - height 1040 mm - PNP ...

  • In Stock: 1

    Immediately

  • MANUFACTURER STOCK 183

    Ships 9/14/26


  • 1
    $1,628.49
  • 3
    $1,585.06
  • 5 +
    $1,543.89
See More

Omron Automation F3SG4SRA096025 - Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 25 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 25 mm resolution - range 0.3 to 20.0 m - height 960 mm - PNP/ ...

  • In Stock: 1

    Immediately

  • MANUFACTURER STOCK 51

    Ships 9/14/26


  • 1
    $1,878.35
  • 3
    $1,828.26
  • 5 +
    $1,780.78
See More

Omron Automation F3SG4SRA120025 - Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 25 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 25 mm resolution - range 0.3 to 20.0 m - height 1200 mm - PNP ...

  • MANUFACTURER STOCK 155

    Ships 9/14/26


  • 1
    $2,180.82
  • 3
    $2,122.66
  • 5 +
    $2,067.53
See More

Omron Automation F39GCNY1 - Safety sensor accessory - F3SG-R Easy - M12 Y-joint connecto...

Omron Automation

Safety sensor accessory - F3SG-R Easy - M12 Y-joint connector - 0.5 m

  • MANUFACTURER STOCK 17

    Ships 9/14/26


  • 1
    $92.90
  • 5
    $85.97
  • 10
    $83.48
See More

Omron Automation F3SG4SRA080025 - Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 25 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 25 mm resolution - range 0.3 to 20.0 m - height 800 mm - PNP/ ...

  • MANUFACTURER STOCK 15

    Ships 9/14/26


  • 1
    $1,707.39
  • 3
    $1,661.86
  • 5 +
    $1,618.70
See More

Omron Automation F3SJB1265P25 - Safety Light Curtain - F3SJ Basic - Type 4 - 25mm resolution...

Omron Automation

Safety Light Curtain - F3SJ Basic - Type 4 - 25mm resolution - range 0.2 to 7.0m - height 1265mm - PNP

  • MANUFACTURER STOCK 11

    Ships 9/14/26


  • 1
    $5,223.45
  • 3
    $5,022.56
  • 5 +
    $5,010.00
See More

Omron Automation F3SG4SRA092085 - Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 85 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 85 mm resolution - range 0.3 to 20.0 m - height 920 mm - PNP/ ...

  • MANUFACTURER STOCK 3

    Ships 9/14/26


  • 1
    $1,773.15
  • 3
    $1,725.86
  • 5 +
    $1,681.04
See More

Schneider Electric XPSMCMDO0008C1G - expansion modules, Modicon MCM, 8 DO, PL c, SIL1, spring

Schneider Electric

expansion modules, Modicon MCM, 8 DO, PL c, SIL1, spring

  • 2 Weeks

  • 1
    $310.97
  • 3
    $302.33
  • 5
    $298.19
See More

Schneider Electric XPSMCMEN0100TTG - Speed monitoring 1 TTL encoder expansion module with spring ...

Schneider Electric

Speed monitoring 1 TTL encoder expansion module with spring term

  • 2 Weeks

  • 1
    $1,479.39
  • 3
    $1,439.94
  • 5 +
    $1,402.54
See More

Schneider Electric XPSMCMCO0000EMG - Modbus TCPIP diagnostic expansion module, Modicon MCM, sprin...

Schneider Electric

Modbus TCPIP diagnostic expansion module, Modicon MCM, spring term

  • 2 Weeks

  • 1
    $765.37
  • 3
    $754.89
  • 5 +
    $734.76
See More

Schneider Electric XPSMCMDI1600G - expansion module, Modicon MCM, 16 inputs, spring

Schneider Electric

expansion module, Modicon MCM, 16 inputs, spring

  • 2 Weeks

  • 1
    $394.08
  • 3
    $388.61
  • 5 +
    $383.29
See More

Omron Automation F3SG4SRB112025 - Safety Light Curtain - F3SG-SRB Standard - Type 4 - 25 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRB Standard - Type 4 - 25 mm resolution - range 0.3 to 20.0 m - height 1120 mm - PNP ...

  • 5 Weeks

  • 1
    $1,823.56
  • 3
    $1,774.93
  • 5 +
    $1,728.83
See More

Omron Automation F3SG4SRA184025 - Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 25 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRA Advanced - Type 4 - 25 mm resolution - range 0.3 to 20.0 m - height 1840 mm - PNP ...

  • 3 Weeks

  • 1
    $2,897.53
  • 3
    $2,747.01
  • 5 +
    $2,711.79
See More

Omron Automation F3SG4SRB092025F - Safety Light Curtain - F3SG-SRB Standard - Type 4 - 25 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRB Standard - Type 4 - 25 mm resolution - range 0.3 to 20.0 m - height 920 mm - PNP/ ...

  • 5 Weeks

  • 1
    $1,932.05
  • 3
    $1,880.53
  • 5 +
    $1,831.69
See More

Schneider Electric XPSMCTC32 - plug-in spring connector - for XPSMC32Z configurable safety ...

Schneider Electric

plug-in spring connector - for XPSMC32Z configurable safety controller

  • 2 Weeks

  • 1
    $81.38
  • 5
    $72.62
  • 10
    $70.45
See More

Schneider Electric XPSMCMCN0000SG - expansion connector, Modicon XPS MCM, to connect the expansi...

Schneider Electric

expansion connector, Modicon XPS MCM, to connect the expansion modules, single backplane

  • 2 Weeks

  • 1 +
    $27.72
See More

Schneider Electric XPSMCMDO00042AG - expansion module, Modicon MCM, 4 DO, 2A, spring

Schneider Electric

expansion module, Modicon MCM, 4 DO, 2A, spring

  • 2 Weeks

  • 1
    $448.48
  • 3
    $442.25
  • 5 +
    $436.19
See More

Schneider Electric XPSMCMDI1200MT - 12 inputs expansion module for safety mats with screw term

Schneider Electric

12 inputs expansion module for safety mats with screw term

  • 2 Weeks

  • 1
    $376.46
  • 3
    $371.23
  • 5 +
    $366.15
See More

Schneider Electric XPSMCMER0004 - expansion module, Modicon MCM, 4 safety relay outputs, screw

Schneider Electric

expansion module, Modicon MCM, 4 safety relay outputs, screw

  • 2 Weeks

  • 1
    $312.79
  • 3
    $304.10
  • 5
    $299.93
See More

Schneider Electric XPSMCMDO0008C1 - 8 digital output PL c, SIL1 expansion modules with screw ter...

Schneider Electric

8 digital output PL c, SIL1 expansion modules with screw term

  • 2 Weeks

  • 1
    $301.90
  • 3
    $293.51
  • 5
    $289.49
See More

Schneider Electric XPSMCMEN0100TT - Speed monitoring 1 TTL encoder expansion module with screw t...

Schneider Electric

Speed monitoring 1 TTL encoder expansion module with screw term

  • 2 Weeks

  • 1
    $1,479.39
  • 3
    $1,439.94
  • 5 +
    $1,402.54
See More

Carlo Gavazzi SM2H21 - Safety Module, Two Hands-Contr |Carlo Gavazzi SM2H21

Carlo Gavazzi

Safety Module, Two Hands-Contr |Carlo Gavazzi SM2H21

  • 12 Weeks

  • 1
    $294.14
  • 3
    $287.75
  • 5 +
    $273.54
See More

Omron Automation F3SG4SRB024025 - Safety Light Curtain - F3SG-SRB Standard - Type 4 - 25 mm re...

Omron Automation

Safety Light Curtain - F3SG-SRB Standard - Type 4 - 25 mm resolution - range 0.3 to 20.0 m - height 240 mm - PNP/ ...

  • 2 Weeks

  • 1
    $878.88
  • 3
    $866.85
  • 5 +
    $843.73
See More
  • 2 Weeks

  • 1
    $269.31
  • 3
    $261.83
  • 5
    $261.18
See More

Join the circuit, keeping you connected to OnlineComponents.com and beyond!