HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
8531100035 | Doc | 56.3% | CN | US | 2025-05-12 |
8531100045 | Doc | 56.3% | CN | US | 2025-05-12 |
8543708000 | Doc | 55.0% | CN | US | 2025-05-12 |
8543708000 | Doc | 55.0% | CN | US | 2025-05-12 |
PIR Motion Sensor Switch
A PIR motion sensor switch is an electronic device that detects movement and automatically switches a connected electrical circuit on or off. "PIR" stands for Passive Infrared, referring to the technology used to sense changes in the infrared levels of its surroundings.
Material
These switches typically consist of the following components:
- Sensor Element: A pyroelectric sensor, often made of materials like lithium tantalate or polyvinylidene fluoride (PVDF), sensitive to infrared radiation.
- Fresnel Lens: A plastic lens with concentric grooves designed to focus infrared radiation onto the sensor.
- Electronic Circuitry: Includes an amplifier, signal processor, and switching mechanism (relay, triac, or solid-state switch).
- Housing: Usually made of plastic (ABS, polycarbonate) for durability and weather resistance (in outdoor models).
- Power Supply: Often requires a power source (AC or DC) to operate, separate from the load being switched.
Purpose
The primary purpose of a PIR motion sensor switch is to provide automatic lighting control for energy saving, convenience, and security.
Function
The switch functions by detecting changes in infrared radiation. All objects emit some infrared radiation as heat. When a warm body (human, animal) moves into the sensor's field of view, the sensor detects the rapid change in infrared levels. This triggers the switch to activate the connected load. After a pre-set time delay, if no further motion is detected, the switch deactivates the load.
Key functional parameters include:
- Detection Range: The maximum distance at which motion can be reliably detected.
- Detection Angle: The width of the area monitored by the sensor.
- Time Delay: The duration the load remains active after motion is no longer detected (adjustable in many models).
- Sensitivity: Adjusts the level of infrared change required to trigger the switch.
- Ambient Light Sensor: Some models include a light sensor to prevent activation during daylight hours.
Usage Scenarios
- Security Lighting: Outdoor lighting around homes, businesses, and properties.
- Automatic Hallway/Stairwell Lighting: Turns lights on when someone enters and off when they leave.
- Bathroom Lighting: Convenient lighting for nighttime use.
- Closet/Storage Room Lighting: Automatic activation upon entry.
- Energy Saving: Reduces energy consumption by automatically turning off lights in unoccupied areas.
- Automated Control Systems: Integration with smart home and building automation systems.
Common Types
- Ceiling-Mounted: Installed in ceilings, typically for wide-area coverage.
- Wall-Mounted: Installed on walls, often with adjustable heads for optimized coverage.
- In-Wall: Installed within the wall cavity, offering a discreet appearance.
- Outdoor/Weatherproof: Designed for exterior use, with sealed enclosures to protect against the elements.
- Micro-wave/Dual Technology: Combine PIR with microwave technology for increased accuracy and reduced false triggers.
- Adjustable vs. Non-Adjustable: Some models offer adjustable settings for detection range, time delay, and sensitivity, while others have fixed parameters.
- Wireless: Operate using batteries and communicate wirelessly, simplifying installation.
Based on the provided information, the following HS codes may be relevant to a PIR motion sensor switch:
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8531100035: Electric sound or visual signaling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 8512 or 8530; parts thereof: Burglar or fire alarms and similar apparatus Other: Burglar alarms. This code applies to burglar alarms, and a PIR motion sensor switch could be considered a component of a burglar alarm system.
- 85: Electrical machines and apparatus; parts thereof.
- 31: Electric sound or visual signaling apparatus.
- 10: Burglar or fire alarms and similar apparatus.
- 00: Other.
- 35: Burglar alarms.
- Tax Rate Details: Basic tariff: 1.3%, Additional tariff: 25.0%, Additional tariff after 2025.4.2: 30.0%. Total tariff: 56.3%.
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8531100045: Electric sound or visual signaling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 8512 or 8530; parts thereof: Burglar or fire alarms and similar apparatus Other: Other. This code covers other burglar or fire alarm apparatus.
- 85: Electrical machines and apparatus; parts thereof.
- 31: Electric sound or visual signaling apparatus.
- 10: Burglar or fire alarms and similar apparatus.
- 00: Other.
- 45: Other.
- Tax Rate Details: Basic tariff: 1.3%, Additional tariff: 25.0%, Additional tariff after 2025.4.2: 30.0%. Total tariff: 56.3%.
According to the provided reference material, the HS code options related to 'pir motion sensor switch' are limited, with only the following 2 found.