Product Description
SA801 Photoelectric Limit Switch Button Type Optical Sensor for Automation Equipment Conveyor Detection NPN PNP DC12-24V
SA801 Photoelectric Limit Switch Button Type Optical Sensor for Automation Equipment Conveyor Detection NPN PNP DC12-24V1.Product Overview
This compact button-type photoelectric sensor provides fast response speed and highly reliable detection performance, regardless of the target’s color, material, or surface reflectivity. Its ultra-slim structure allows easy installation in narrow or space-constrained environments.
Designed for industrial applications, the sensor is equipped with four red LED indicators that can be viewed from multiple angles, making operation status monitoring simple and convenient. With a durable design and service life exceeding 5 million cycles, it ensures stable long-term performance.
Default Configuration
Model Options
NPN Output: EE-SA801A
PNP Output: EE-SA801R
Specifications
Type: Button-type Photoelectric Sensor
Free Position (FP): 5 ± 0.4 mm
Operating Position (OP): 3.5–4.5 mm
Total Travel Position (TTP): Max. 0 mm
Cable Type: Lead-out cable, approximately 1 m (customizable)
Additional Information
Due to limited space, not all specifications are displayed. Custom configurations and special requirements are available upon request. Please contact us for more details.
2. Technical Specifications
Models:EE-SA801A NPNEE-SA801R PNP
Type:Button-Type Sensor
Indicator Light:Red LED turns on when the actuator is pressed
Free Position FP:5 ± 0.4 mm
Operating Position OP:3.5 to 4.5 mm
Total Travel Position TTP:Max. 0 mm
Operating Load:Typical 0.5 NMax. 3 N
Supply Voltage:DC 12 to 24 V ±10%Ripple P-P: 10% max.
Current Consumption:Max. 35 mA
Control Output:
NPN open-collector output
24 V max.
50 mA max.
Residual Voltage:2.5 V max. at 50 mA load
External Diagnosis Input:
NPN: Light OFF at 0.5 V or less, Light ON when open
PNP: Light OFF at +DC −0.5 V or higher, Light ON when open
Response Time:1 ms max.
Protection Circuit:Reverse polarity protection
Operating Temperature:−25 to +55 °C
Storage Temperature:−30 to +60 °C, no freezing or condensation
Operating Humidity:5 to 85% RH
Storage Humidity:5 to 95% RH, non-condensing
Service Life:Over 5 million cycles FP to OP to FP
Vibration Resistance:10 to 500 Hz, 1 mm amplitude, 150 m/s², 3 sweeps per axis
Shock Resistance:500 m/s², 3 shocks per axis X, Y, and Z
Protection Rating:IP40, IEC standard
Connection Method:Lead-out cable, approx. 1 m
Material:
Housing: Polycarbonate
Actuator: Polyacetal
3. Key Features
Reliable Surface Detection
Effectively detects black, transparent, and reflective objects without being affected by material or color, ensuring stable and consistent performance.
Slim and Space-Saving Design
The ultra-compact body is easy to install in narrow spaces, making it ideal for robotics, automated equipment, and space-limited machinery.
Ultra-Fast Response Time
Provides a response time within 1 ms, delivering accurate and reliable detection for high-speed industrial applications.
All-Angle LED Visibility
Four red LEDs are positioned on the top and sides, allowing clear 360° status visibility from multiple directions.
Extended Service Life
Designed for long-term durability, with a service life of more than 5 million cycles.
Industrial-Grade Durability
Built to withstand high vibration, impact, and demanding working environments, with an IP40-rated protective enclosure.
4. Applications
Suitable for a wide range of industrial environments, including:
Machine tools
Textile machinery
Packaging and automation lines
Logistics and conveyor systems
Chemical processing plants
Automotive assembly and maintenance














5. Frequently Asked Questions
Q1: Can the sensor detect black or transparent objects?
Yes. The advanced optical design provides stable and reliable detection for a wide range of surface materials, including black and transparent objects.
Q2: How is the sensor installed?
The sensor is designed with M3 mounting holes and a compact slim body, making installation simple and convenient even in limited spaces such as robotic arms, compact equipment, and narrow control panels.
Q3: Can the sensor be used in humid environments?
Yes. The sensor operates reliably in environments with up to 85% humidity and can be stored in conditions up to 95% humidity. It also includes anti-condensation protection for enhanced stability and durability.
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We carefully handle each order to ensure your package arrives quickly and safely. Please note that factors such as weather, postal traffic, or carrier performance may occasionally cause delays beyond our control.
We provide free shipping and dispatch all orders within 2 business days of payment, often sooner. All shipments are sent via international express air shipping, with a tracking number provided so you can follow your order every step of the way.
. Please provide a physical address, as we do not ship to P.O. Boxes.
Returns
Your satisfaction is important to us. Hexlight offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.