Find HS Code and trade information for staircase sensor controller

Staircase Sensor Controller

A staircase sensor controller is an electronic device designed to automate the lighting of staircases for safety and convenience. It utilizes sensors to detect movement and activate lights as a person ascends or descends the stairs, and deactivates them after a period of inactivity.

Material

These controllers are typically housed in plastic enclosures, often ABS or polycarbonate for durability and impact resistance. Internal components include:

• Microcontroller: The central processing unit, usually a small integrated circuit.
• Sensors: Commonly Passive Infrared (PIR) sensors, Ultrasonic sensors, or microwave sensors.
• Relays or Solid State Relays (SSRs): Used to switch the AC power to the lights.
• Resistors, Capacitors, and other Electronic Components: For circuit functionality.
• Printed Circuit Board (PCB): To mount and connect the components.

Purpose

The primary purpose of a staircase sensor controller is to enhance safety by providing illumination during stair use, reducing the risk of falls. They also offer energy savings by ensuring lights are only on when needed. Convenience is another key benefit, as users do not need to manually switch lights on and off.

Function

The controller operates by:

1. Motion Detection: Sensors detect movement on the staircase.
2. Signal Processing: The microcontroller processes the sensor signal.
3. Activation: If motion is detected, the microcontroller activates the relay or SSR, turning on the lights.
4. Deactivation: After a pre-set time delay (adjustable on many models) without detecting motion, the controller deactivates the relay/SSR, turning off the lights.
5. Adjustable Settings: Many controllers allow adjustment of sensitivity, time delay, and lux level (ambient light threshold for operation).

Usage Scenarios

• Residential Buildings: Homes, apartments, townhouses.
• Commercial Buildings: Offices, hotels, shopping malls.
• Public Spaces: Schools, hospitals, libraries.
• Emergency Exits: Stairwells in buildings requiring emergency lighting.
• Warehouses: Staircases within storage facilities.

Common Types

• PIR (Passive Infrared) Controllers: Detect changes in infrared radiation caused by body heat. Cost-effective and widely used. Can be susceptible to false triggers from temperature changes.
• Ultrasonic Controllers: Emit ultrasonic sound waves and detect changes in the reflected signal. Less susceptible to temperature changes than PIR but can be affected by air currents.
• Microwave Controllers: Emit microwave radiation and detect changes in the reflected signal. More sensitive and can detect motion through walls, but potentially more expensive and may cause interference.
• Combined Sensor Controllers: Utilize multiple sensor types (e.g., PIR and Microwave) for increased reliability and reduced false triggers.
• Wireless Controllers: Communicate wirelessly with the lights and sensors, simplifying installation.
• DALI (Digital Addressable Lighting Interface) Controllers: Used in more sophisticated lighting systems, allowing for individual control and monitoring of lights.

The declared goods, a staircase sensor controller, fall under apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network. Here are the relevant HS codes based on the provided reference material:

• 8517.69.00.00: This HS code covers telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks; other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network), other than transmission or reception apparatus of heading 8443, 8525, 8527 or 8528; parts thereof: Other apparatus for transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network): Other. This is a broad category encompassing various communication devices. The total tax rate is 55.0%, comprised of a 0.0% base tariff, a 25.0% additional tariff, and a 30% additional tariff effective April 2, 2025.

• 8517.62.00.90: This HS code covers telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks; other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network), other than transmission or reception apparatus of heading 8443, 8525, 8527 or 8528; parts thereof: Other apparatus for transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network): Machines for the reception, conversion and transmission or regeneration of voice, images or other data, including switching and routing apparatus. The total tax rate is 30.0%, consisting of a 0.0% base tariff and a 30% additional tariff effective April 2, 2025.

• 8543.70.60.00: This HS code covers electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof: Other machines and apparatus: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks. The total tax rate is 55.0%, comprised of a 0.0% base tariff, a 25.0% additional tariff, and a 30% additional tariff effective April 2, 2025.

Regarding HS code 8543.70.60.00, please note that the goods are specifically designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks.