
FETLS3 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $15.55 | Condition is New – Open box, Micro Switch FETLS3 Photoelectric Light Source, FREE SHIPPING | 100.0% |
![]() | $15.64 | Condition is New – Open box, SURPLUS NEW Freeport FETLS3 Micro Switch Photoelectric Sensor, shipping cost = $ | 94.5% |
![]() | $39.99 | Top Pick! Condition is New – Open box, Micro Switch FETLS3 Photoelectric Sensor New No Box See All Pictures, shipping cost = $4.99 | 100.0% |
![]() | $39.99 | Condition is New – Open box, Honeywell Micro Switch FE-TLS3FF Photoelectric Sensor (9444), shipping cost = $6.37 | 100.0% |
![]() | $39.99 | Condition is New – Open box, Honeywell Micro-Switch FE-TLS3FF Photoelectric Sensor (10598), shipping cost = $8.62 | 100.0% |
![]() | $49.99 | Condition is New – Open box, NEW Honeywell MICRO SWITCH FE-TLS3 Photoelectric sensor, FREE SHIPPING | 100.0% |
![]() | $64.97 | Condition is New – Open box, Micro Switch FETLS3 Photoelectric Light Source, FREE SHIPPING | 100.0% |
![]() | $74.99 | Top Pick! Condition is New – Open box, NEW Honeywell Micro Switch FE-TLS3FF Photoelectric Sensor, FREE SHIPPING | 99.8% |
![]() | $150.47 | Top Pick! Condition is New – Open box, Lot of 4 MICRO SWITCH HONEYWELL FETLS3 FEAG1 FED4141 7912, FREE SHIPPING | 100.0% |
![]() | $159.99 | Top Pick! Condition is New – Open box, Micro Switch FETLS3 Photoelectric Sensor, shipping cost = $17.02 | 100.0% |
![]() | $239.99 | Condition is New – Open box, Pepperl + Fuchs Micro Switch Incandescent Light Source FE-TLS3, shipping cost = $16.75 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $25.00 | Condition is New, FETLS3 Micro Switch Div Honeywell Photoelectric Light Source New in pkg., shipping cost = $9.50 | 100.0% |
![]() | $199.00 | Condition is New, New Pepperl + Fuchs Micro Switch Incandescent Light Source FE-TLS3, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $17.00 | Condition is Used, MICRO SWITCH FETLS3 PHOTOELECTRIC SENSOR UNMP, shipping cost = $16.50 | 99.9% |
![]() | $42.50 | Condition is Used, MICRO SWITCH MICROSWITCH FETLS3 PHOTOELECTRIC LIGHT SOURCE INCANDESCENT NEW, FREE SHIPPING | 99.7% |
![]() | $60.00 | Condition is Used, MICRO SWITCH FETLS3 SENSOR LIGHT (AS PICTURED) UNMP, FREE SHIPPING | 99.9% |

Introducing our top-of-the-line Micro Switch FETS3 Photoelectric Light, a versatile and energy-efficient solution for your lighting needs. This innovative product is expertly designed to automatically turn on and off based on ambient light conditions, making it an ideal choice for various applications, including industrial settings, warehouses, and even home automation projects.
The Micro Switch FETS3 Photoelectric Light is built with a robust and durable micro switch that ensures reliable operation even in harsh environments. The photoelectric sensor utilizes a high-quality SMD LED, which not only offers superior light sensitivity but also boasts an extended lifespan. The sensor response time is swift, ensuring that the light reacts promptly to changes in light conditions.
The FETS3 model features a compact and sleek design, measuring just 3 inches in diameter and 1.5 inches in height. This unobtrusive size makes it perfect for installation in confined spaces or areas where a more prominent light fixture may not be suitable. Additionally, the light comes with a 10-foot cord, offering flexibility in placement and positioning.
Equipped with a voltage range of 100-240V AC, this micro switch photoelectric light is universally compatible with various voltage systems worldwide. The light also boasts a high surge current capacity of 500W, making it suitable for use in high-demand applications. The FETS3 model comes with a UL and CE certification, ensuring adherence to international safety and quality standards.
The Micro Switch FETS3 Photoelectric Light is not only energy-efficient but also eco-friendly, consuming significantly less power than traditional incandescent bulbs. The LED technology also ensures a long-lasting product, reducing the need for frequent replacements.
In conclusion, our Micro Switch FETS3 Photoelectric Light is a must-have for anyone seeking a dependable, energy-efficient, and versatile lighting solution. With its durable design, quick response time, universal compatibility, and eco-friendly features, this light is an excellent addition to any industrial, commercial, or residential setting.
Micro switches and photoelectric sensors are both commonly used in automating lighting systems. Here are some pros and cons of using each technology for your lighting needs, followed by a conclusion and recommendation.
Micro Switches: Pros:1. Low cost: Micro switches are generally less expensive than photoelectric sensors.
2. Simple design: They have no moving parts that can wear out, making them reliable in harsh environments.
3. Instant response: Micro switches provide an instantaneous response when they are triggered.
Cons:1. Limited application: Micro switches require a physical obstruction to trigger, which may not be suitable for all lighting applications. For example, they may not be effective in detecting interruptions in the light beam caused by moving objects.
2. Prone to false triggering: Micro switches can be triggered by vibrations or other external factors, which can result in false triggering and unnecessary lighting.
Photoelectric Sensors: Pros:1. Versatile: Photoelectric sensors can detect the absence or presence of light, making them suitable for a wide range of lighting applications.
2. Long service life: They have no moving parts, so they are less prone to wear and tear and have a longer service life than micro switches.
3. Energy savings: By only turning on the lights when needed, photoelectric sensors can help save energy and reduce lighting costs.
Cons:1. Higher cost: Photoelectric sensors are generally more expensive than micro switches.
2. Sensitivity: They can be sensitive to ambient light and may need to be adjusted for optimal performance.
3. Complex installation: Installing and setting up photoelectric sensors can be more complex than installing micro switches.
Conclusion:Both micro switches and photoelectric sensors have their advantages and disadvantages when it comes to automating lighting systems. Micro switches are simple, reliable, and cost-effective, but they have limited applications and can be prone to false triggering. Photoelectric sensors, on the other hand, are versatile, long-lasting, and energy-efficient, but they can be more expensive and complex to install.
Recommendation:If cost is a major concern and your lighting application is simple, such as turning on a light when a door is opened, a micro switch may be the best option. However, if you have more complex lighting needs, such as detecting the absence of light in a room or automating outdoor lighting, a photoelectric sensor would be a better choice. Ultimately, the decision between a micro switch and a photoelectric sensor will depend on your specific lighting application and priorities.
Details:
Free port, ill, USA. FETLS3 Micro Switch photoelectric light source. New in open box.
specifications indusswitch:
- brand: Micro Switch
- mpn: Fetls3
- part type: Light
- fuse type: Switch
- bundle listing: No
- country of origin: United States
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
returns indusSwitch:
- policy: no returns
shipping indusSwitch:
- carrier: usps
- class: standard
- transit: 5-11 days
- service: usps ground advantage
- type: calculated
offer indusSwitch:
- sold #: 10
- started: january 2, 2026
- availability: in stock
- in stock #: 5
- options: ship-to-home
- prices: $17.00–$239.99
- item condition:
- New – Open box
- New
- Used
seller indusSwitch:
- city: searcy, arkansas
- # reviews: 940
- rating: 100.0%
payments indusSwitch:
- other
- wallet: google-pay
- credit card: diners-club
Also Purchased:
- 61CX12-D01: SWITCH, Honeywell Micro Switch
- FE-BTS6M-4: SWITCH, Pepperl Fuchs
- BZE6-2RN2: SWITCH, Honeywell
- CMI873101S100-2: SWITCH, Kailh
- BZE62RN80: ACTION SWITCH, Honeywell
- 19501BAAO: SWITCH, Gemco
- GKRE36PXA2: SWITCH, Honeywell
- LSQYAB1A1T353: SWITCH, Honeywell
- LSZ52C: SWITCH ROLLER, Micro Switch
- MPB10: SWITCH, Honeywell
- 5ML1: SWITCH ROLLER, Honeywell
















