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Single Pole Double Throw (SPDT) normally open (NO) motion-actuated switches offer automated control for various electrical circuits, responding to movement. Selecting the correct switch ensures reliable operation and efficient energy management in applications ranging from lighting to security systems. Understanding key features will help you find a switch that perfectly suits your needs.
No Neutral & No Ground Wire Required: This motion sensor light switch no neutral no ground fits old houses with only Hot and Load 2 wires. Single-pole, indoor only; not for 3-way circuits. Use a 3W or higher lamp to prevent flickering.
3-In-1 Occupancy Sensor Light Switch: Our motion sensing light switch supports Occupancy (auto on auto off), Vacancy (manual on auto off) and manual override. A versatile automatic light switch for hallways, garages and basements.
Simple & Precise Adjustable Settings: No screwdriver needed. Press button to set time delay (15s-30min), lux threshold and sensitivity. Default: 1min, 25Lux, high sensitivity. Built-in light sensor enables daylight suppression.
Reliable Specifications & Safety: FCC Listed, 120VAC 50/60Hz, 5.0A, 1/6HP motor. Works with Resistive, Tungsten, LED, CFL and electronic ballast loads. PC fireproof housing, wall plate included—a sensor switch meeting strict indoor safety standards.
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
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 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
【NOTES T0 BUY】 Grounding Wire is Required. The device will not function if it is not grounded or the ground wire does not work. Use the ground wire in the wall box for ground connection. If no ground is available, consult an electrician.
【120° Sensor Coverage】This motion sensor switch provides an adjustable 120-degree field of view with optional adjustments for sensitivity.The sensing switch requires an unobstructed view of room occupants to detect motion.Install the sensor switch...
【Universal Compatibility】 Works with 300W LED, 300W CFL and 600W incandescent light bulbs on the market.
【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)
Dual Operation - Incorporates automatic ON/OFF and manual ON/Automatic OFF operation for energy efficiency and convenience. Easily switch between occupancy or vacancy mode with the switch under faceplate.
PIR Sensor Switch - The 180° PIR wall switch features a green LED backlight for ease of use. Wall plate and wire nuts included.
Adjustable Settings - Customize to your preferences with a time delay from 1 minute to 30 minutes, adjustable sensitivity, and adjustable light level sensing to perfectly fit your specific needs.
Capacity and Specifications - Max Load: 800W @ 120V, 1200W @ 277V, 1/6 HP. No minimum load is required. Compatible with incandescent, electronic ballast fluorescent, compact-fluorescent(CFL), magnetic low-voltage (MLV), and electronic low-voltage (ELV...
✅【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.
Last update on 2026-10-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best SPDT-NO Motion Actuated Switches
Key Factors to Consider
Sensing Technology: SPDT-NO switches often utilize passive infrared (PIR) or microwave technology. PIR sensors detect changes in infrared radiation emitted by warm bodies, making them effective for detecting people and animals. Microwave sensors emit radio waves and detect alterations in the reflected signal caused by movement, offering wider coverage and the ability to detect through thin barriers, but can be more prone to false triggers. Consider the environment and desired detection range when choosing the technology.
Load Capacity and Voltage: Ensure the switch can handle the electrical load of the device it will control. Check the maximum amperage and voltage ratings to prevent overloading and ensure safe operation. Compatibility with your power source (e.g., AC or DC) is also crucial.
Adjustability and Features: Many switches offer adjustable sensitivity, time delay (how long the circuit stays active after motion ceases), and ambient light sensors. These features allow for customization to prevent unnecessary activations and optimize energy savings. For instance, a longer time delay might be suitable for a hallway, while a shorter one is better for a closet.
Frequently Asked Questions
What is the primary function of an SPDT-NO motion switch?
An SPDT-NO motion-actuated switch is designed to automatically close an electrical circuit when motion is detected and open it when motion stops. The 'normally open' (NO) configuration means the circuit is off by default and turns on when triggered by movement.
Where are these switches commonly used?
They are frequently used in applications like automatic lighting in hallways, closets, or outdoor areas, as well as in security systems and automated ventilation. They provide convenience and energy efficiency by activating devices only when needed.
What is the difference between PIR and microwave motion sensors?
Passive Infrared (PIR) sensors detect heat signatures from moving objects, while microwave sensors use radio waves to detect movement by analyzing reflected signals. PIR is generally better for detecting people, while microwave sensors offer wider coverage and can penetrate some materials.
Can these switches control high-power devices?
The ability to control high-power devices depends on the switch's load capacity rating. Always check the maximum amperage and voltage the switch can safely handle to ensure compatibility with the intended appliance or system.
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