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Selecting the right SPST-NC motion-actuated switch is crucial for ensuring reliable and efficient operation in various applications. These switches offer automatic control based on movement, enhancing safety and convenience. Understanding their features and specifications will help you make an informed decision for your specific needs.
★Item Name: Push Button Switch; Action Type: Momentary; Contact Type: NC (Normal Closed), If you press it, it will be powered off, if you release it, it will be powered.
★Poles: SPST; Rating Voltage: AC 250V / 1A; Terminals: 2 Pin; Number of Wire: 2.
AUTOMATIC SWITCH: Motion sensor light switch automatically turns the lights on when you enter the room and off when you leave, great for bathrooms, garages, laundry rooms, or closet light switches
INDUSTRY LEADING SENSING TECHNOLOGY: Lutron's patented XCT technology ensures the lights turn on when you enter the room and will not shut off on you, even with minor motion such as reading a book or typing on a keyboard.
FOCUS ON YOUR TASKS: Focus on any home projects and chores when leaving the room without worrying about turning off the lights
HANDS FREE, WORRY FREE: Walk into your bathroom, garage, laundry room, and closet this motion sensor switch and lights turn on automatically
LIGHT DETECTION MODE: Monitors daylight in the room and will not turn on if there is sufficient light already in the room, saving energy. This setting is optional and if turned on, the sensor adjusts to your preference over time, so your lights stay off...
IDEAL FOR PARENTS: The motion sensor ensures lights won't stay on when your kids leave the room
MODE SETTINGS: Occupancy Mode (Auto ON, Auto OFF) and Vacancy Mode (Manual On, Auto Off) allows you to adjust the sensor to your needs; Programmable to delay turning off your light switch to 1, 5, 15 or 30 minutes after leaving a room
QUICK INSTALL: Install in as little as 15 minutes; works with to 150-Watt CFL/LED, 250-Watt incandescent, halogen, electronic low voltage, 200-Watt magnetic low voltage, or 2-Amp ballasts
FLEXIBLE INSTALL: Install using the ground wire if no neutral is available in your home; Single Pole Only
INCLUDES: (1) 2-Amp Maestro sensor switch; coordinating wallplate sold separately
AUTOMATIC SWITCH: Motion sensor light switch automatically turns the lights on when you enter the room and off when you leave, great for bathrooms, garages, laundry rooms, or closet light switches
LUTRON MOTION SENSOR LIGHT SWITCH: Don't stress about your lights on when leaving your house. Save money by relying on the light switch to turn off for you
FOCUS ON YOUR TASKS: Focus on any home projects and chores when leaving the room without worrying about turning off the lights
HANDS FREE, WORRY FREE: Walk into your bathroom, garage, laundry room, and closet this motion sensor switch and lights turn on automatically
MOTION LIGHT SWITCH: Senses daylight in the room and learns your preferred light level over time, so your lights stay off if it's already bright
IDEAL FOR KIDS: This automatic light sensor motion ensures lights won't stay on when your kids leave the room
MODE SETTINGS: Occupancy Mode (Auto ON, Auto OFF) and Vacancy Mode (Manual On, Auto Off) allows you to adjust the sensor to your needs; Programmable to delay turning off your light switch to 1, 5, 15 or 30 minutes after leaving a room
QUICK INSTALL: Install in as little as 15 minutes; works with to 150-Watt CFL/LED, 250-Watt incandescent, halogen, electronic low voltage, 200-Watt magnetic low voltage, or 2-Amp ballasts
INCLUDES: (2) 2-Amp Maestro sensor switch; coordinating wallplate sold separately
FLEXIBLE INSTALL: Install using the ground wire if no neutral is available in your home; Single Pole Only
✅【Grounding Wire is Required】 A ground connection is required to operate. Use the ground wire in the wall box for ground connection. If no ground is available, consult an electrician. The device will not function if it is not grounded or the ground...
✅【Motion Area】This motion sensor switch provides an adjustable 120-degree field of view with optional adjustments for sensitivity.
✅【Universal Compatibility】 Works with 300W LED, 300W CFL and 600W incandescent light bulbs on the market.
✅【Modern Design】 Exquisite matte finish and frameless design looks best with today’s decors. Tough thermoplastic housing shrugs off impacts and scratches. Rational design for comfortable and intuitive control.
✅【Single Pole Control】 Can be used as single-pole control. Features multiple setting modes of Automatic or Manual ON/OFF for different usage scenarios at home. (NOT suitable for 3 way circuit)
✅【High Quality】 Extremely low standby power consumption. Energy saving and long operating life. Flame resistant material has reached the highest grade of 5VA. UL & CUL listed.
Motion sensor switch detects motion to automatically turn ON/OFF lights, fans and motors based on the occupancy or vacancy in a room. Wall Plate Included
Motion sensor wall switch features a universal wiring design with interchangeable hot and load wires to make installation easier...
Occupancy mode (Auto ON, Auto OFF) and vacancy mode allows you to adjust the sensor to your needs; adjustable time delay options: 15 sec (Test), 10 min, 20 min, 30 min; change mode with the OCC/VAC switch located under the face of the device
𝐒𝐢𝐧𝐠𝐥𝐞 𝐏𝐨𝐥𝐞 only, not suitable for three way; Suitable for different family scenarios, and add convenience to your home
2 Pack, White color; 1200 square feet max coverage area, 180-degree field of view; 120VAC @ 60 Hz; suitable for 300W Tungsten, ballas, 5~150W LED; operating temperature 32-104ºF; compliant with Title 20 & Title 24; UL listed, 3-year warranty
AUTOMATIC SWITCH: Motion sensor light switch automatically turns the lights on when you enter the room and off when you leave, great for bathrooms, garages, laundry rooms, or closet light switches
LUTRON MOTION SENSOR LIGHT SWITCH: Don't stress about your lights on when leaving your house. Save money by relying on the light switch to turn off for you
FOCUS ON YOUR TASKS: Focus on any home projects and chores when leaving the room without worrying about turning off the lights
HANDS FREE, WORRY FREE: Walk into your bathroom, garage, laundry room, and closet this motion sensor switch and lights turn on automatically
MOTION LIGHT SWITCH: Senses daylight in the room and learns your preferred light level over time, so your lights stay off if it's already bright
IDEAL FOR KIDS: This automatic light sensor motion ensures lights won't stay on when your kids leave the room
MODE SETTINGS: Occupancy Mode (Auto ON, Auto OFF) and Vacancy Mode (Manual On, Auto Off) allows you to adjust the sensor to your needs; Programmable to delay turning off your light switch to 1, 5, 15 or 30 minutes after leaving a room
QUICK INSTALL: Install in as little as 15 minutes; works with to 150-Watt CFL/LED, 250-Watt incandescent, halogen, electronic low voltage, 200-Watt magnetic low voltage, or 2-Amp ballasts
INCLUDES: (1) 2-Amp Maestro sensor switch; coordinating wallplate sold separately
FLEXIBLE INSTALL: Install using the ground wire if no neutral is available in your home; Single Pole Only
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best SPST-NC Motion Actuated Switches
Understanding SPST-NC Motion Actuated Switches
SPST-NC stands for Single Pole, Single Throw, Normally Closed. This means that in its default state, the switch is closed, allowing current to flow. When motion is detected, the switch opens, interrupting the circuit. These switches are commonly used for applications where a device should be off by default and turn on only when motion is absent, or vice versa, depending on the specific circuit configuration. Understanding this fundamental operation is key to choosing the right product.
Key Features to Consider
Detection Range and Angle: Consider the area you need to cover. A wider range and angle are suitable for larger spaces, while a narrower focus might be better for specific zones.
Sensitivity Adjustment: The ability to adjust sensitivity allows you to fine-tune the switch's response to motion, preventing false triggers from minor disturbances or ensuring it picks up subtle movements.
Response Time: For applications requiring immediate action, a faster response time is essential. Check the specifications for how quickly the switch reacts to detected motion.
Power Source: Switches can be powered by batteries, AC adapters, or hardwired into your electrical system. Choose a power source that best suits your installation location and convenience.
Durability and Environmental Rating: If the switch will be used in harsh conditions, such as outdoors or in a workshop, look for robust construction and appropriate environmental protection ratings (e.g., IP ratings for dust and water resistance).
Installation and Wiring
Installation methods vary depending on the switch type. Some are designed for simple surface mounting, while others require integration into existing electrical boxes or fixtures. Ensure you understand the wiring requirements, especially if you are not experienced with electrical work. Always follow manufacturer instructions and local electrical codes for safe and proper installation.
Application Suitability
These switches find use in a variety of scenarios. Common applications include automatic lighting control in hallways or closets, security systems, automated ventilation in bathrooms, and controlling machinery that should only operate when an area is clear. Consider the specific environment and the desired outcome when selecting a switch.
Frequently Asked Questions
What does SPST-NC mean in the context of a motion switch?
SPST-NC signifies Single Pole, Single Throw, Normally Closed. This means the switch's circuit is closed (on) by default and opens (off) when triggered by motion.
How do I choose the right detection range for my needs?
Consider the size of the area you want to monitor. For a small closet, a shorter range is sufficient, while a large room or outdoor area will require a wider detection range and angle.
Can I adjust how sensitive the switch is to motion?
Many models offer sensitivity adjustment. This allows you to fine-tune the switch to avoid false triggers from pets or drafts, or to ensure it reliably detects human presence.
What is the difference between AC-powered and battery-powered motion switches?
AC-powered switches require a connection to your mains electricity, offering continuous power. Battery-powered switches offer more placement flexibility but require periodic battery replacements.
Are these switches suitable for outdoor use?
Some motion-actuated switches are designed for outdoor use and will have appropriate weatherproofing ratings. Always check the product specifications for environmental suitability.
How important is the response time of the switch?
Response time is critical for applications where immediate activation or deactivation is necessary. For example, in automated lighting, a quick response ensures the light comes on as soon as motion is detected.
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