
44519-1100 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $595.00 | Condition is New – Open box, STI TL8012-S1024FM Safety Interlock Guard Switch Pwr to Unlock 240V 3A 24V Coil, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $250.00 | Condition is Used, Omron STI 44519-1100 Guard Locking Switch 3NC + 2NO, 24VAC/DC Coil, *No Key*, FREE SHIPPING | ![]() |

The STI 44519-1100 safety interlock switch, also known as the TL8012-S1, is a versatile and essential component in safety systems that require reliable electrical interlocking functions. This switch is designed to ensure the safe operation of machinery and equipment by preventing the start or continuation of motors or machinery until all safety guards or protective barriers are in place and properly engaged.
The safety interlock switch is rated for both 24VAC and 24VDC power supplies, making it suitable for use in a wide range of industrial applications. It features a robust and durable design, with a corrosion-resistant housing that can withstand the demands of harsh industrial environments. The switch is also designed to be easy to install, with clear markings and a user-friendly design that simplifies wiring and setup.
The STI 44519-1100 switch operates using a normally open (NO) contact configuration. This means that the switch is in an open state when the safety guard or protective barrier is not engaged, and the circuit is not complete. When the safety guard is properly engaged, the switch closes, completing the circuit and allowing the machinery or equipment to start or continue operating.
The safety interlock switch is an important component in ensuring machine safety and compliance with industry regulations. It is designed to provide reliable and consistent performance, even in the face of heavy use or demanding operating conditions. With its robust design, versatile power supply options, and easy-to-install design, the STI 44519-1100 safety interlock switch is an essential tool for any industrial safety system.
In summary, the STI 44519-1100 safety interlock switch, also known as the TL8012-S1, is a reliable and essential component in industrial safety systems. It is designed to ensure the safe operation of machinery and equipment by preventing the start or continuation of motors or machinery until all safety guards or protective barriers are properly engaged. The switch is rated for both 24VAC and 24VDC power supplies, features a corrosion-resistant housing, and operates using a normally open contact configuration. With its robust design, versatile power supply options, and easy-to-install design, the STI 44519-1100 safety interlock switch is an essential tool for any industrial safety system.
The STI 44519-1100 safety interlock switch TL8012-S1, a 24VAC/DC model, is a crucial component in various safety applications, particularly in machinery and industrial automation systems. This switch ensures the safety of operators by preventing machinery from operating when the safety door or guard is open. Here are some pros and cons to consider before purchasing.
Pros:1. Safety: The primary function of this switch is to enhance safety in industrial applications. It prevents machinery from starting or running when the safety door or guard is open, ensuring the safety of operators and maintenance personnel.
2. Versatile: The 24VAC/DC power requirement makes it suitable for various industrial applications. It can be used in both AC and DC power systems.
3. Durable: The switch is built to withstand the harsh industrial environment. It is designed to operate reliably under extreme temperatures, humidity, and vibration.
4. Easy installation: The switch is designed to be easily installed and integrated into various control systems. It has a compact size and can be mounted on a DIN rail or directly on a control panel.
5. UL and CE certified: The switch meets the requirements of UL and CE safety standards, ensuring compliance with regulatory requirements.
Cons:1. Cost: The switch may be more expensive compared to other standard switches due to its safety features and industrial-grade construction.
2. Complexity: Installing and configuring the switch may require specialized knowledge and expertise, especially in complex control systems.
3. Limited compatibility: The switch may not be compatible with all control systems or machinery. It is essential to check compatibility before purchasing.
In conclusion, the STI 44519-1100 safety interlock switch TL8012-S1 is a valuable investment for industrial applications that prioritize safety. Its benefits, including enhanced safety, versatility, durability, easy installation, and UL and CE certifications, outweigh the potential drawbacks, such as cost and complexity. Therefore, we recommend this switch for industrial applications where safety is paramount.
Details:
I will return all messages as soon possible. Standard shipping is free.
specifications indusswitch:
- brand: Sti
- mpn: 44519-1100
- model: Tl8012-s1
- part type: Switch
returns indusswitch:
- time: 30 days
- paid by: seller
- policy: returns accepted
- method: money back
offer indusswitch:
- sold #: 17
- options: ship-to-home
- availability: in stock
- started: september 29, 2025
- prices: $250.00–$595.00
- item condition:
- New – Open box
- Used
- in stock #: 2
shipping indusswitch:
- carrier: ups, usps
- type: calculated
- class: standard, one-day, expedited
- transit: 3-7 days
- service: ups ground, ups next day air, usps priority mail
payments indusswitch:
- credit card: diners-club
- wallet: paypal
- other
seller indusswitch:
- city: irmo, south carolina
- # reviews: 2555
- rating: 99.5%
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
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